This is a list of doctorate theses that used Argo data. It likely underestimates the total number of theses published using Argo data, so if you know of a doctorate thesis that is missing, please send argo@ucsd.edu the citation.
To learn how to properly cite Argo data, click here.
Updated February , 2023.
Click here to download this file in pdf form.
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0LC%5C%2FFC%20system%29%20greatly%20modulated%20the%20potential%20and%20kinetic%20energy%20of%20the%20eddy%2C%20which%20also%20contributed%20to%20the%20eddy%5Cu2019s%20growth%20and%20evolution.%20This%20type%20of%20long-lasting%20Tortugas%20eddy%20has%20been%20found%20to%20have%20biophysical%20connectivity%20implications.%20For%20example%2C%20it%20is%20responsible%20for%20the%20transport%20of%20fish%20larvae%20in%20the%20SoF.In%20addition%20to%20ocean%20eddies%2C%20ocean%20fronts%20are%20also%20very%20important%20because%20they%20are%20often%20the%20locations%20of%20strong%20biological%20and%20physical%20activities%20that%20influence%20ocean%20ecosystem.%20In%20Chapter%206%20%28Appendix%20D%29%2C%20daily%20ocean%20color%20and%20SST%20imagery%20at%209-km%20resolution%2C%20collected%20by%20MODIS%5C%2FAqua%20during%202002%5Cu20132019%20were%20used%20to%20study%20the%20spatial%20and%20temporal%20patterns%20of%20ocean%20frontal%20zones%20in%20the%20GoM.%20A%20gradient-based%20front%20detection%20algorithm%20was%20applied%20to%20daily%20ocean%20color%20and%20SST%20imagery%20to%20detect%20frontal%20features%2C%20from%20which%20a%20comprehensive%20dataset%20of%20ocean%20frontal%20zones%20%28including%20time%20series%20and%20climatology%29%20was%20established.%20In%20this%20study%2C%20seasonal%20and%20interannual%20variations%20of%20ocean%20color%20and%20thermal%20frontal%20activities%20were%20revealed%2C%20and%20the%20underlying%20mechanisms%20behind%20such%20variations%20were%20investigated.%20Specifically%2C%20both%20ocean%20color%20and%20thermal%20frontal%20zones%20had%20prominent%20seasonality%2C%20while%20their%20seasonal%20variability%20differed.%20Major%20persistent%20frontal%20zones%20were%20mainly%20found%20in%20coastal%20waters%20within%20the%20130-m%20isobath%2C%20and%20typically%20associated%20with%20wind-driven%20Ekman%20transport%2C%20upwelling%5C%2Fdownwelling%2C%20river%20discharge%2C%20ocean%20currents%2C%20and%20topography.The%20findings%20on%20ocean%20eddies%20and%20frontal%20zones%20have%20significant%20implications%20on%20ocean%20biology%20and%20ecology.%20For%20example%2C%20ocean%20frontal%20features%20identified%20in%20certain%20months%20were%20found%20to%20coincide%20with%20a%20well-known%20fishing%20ground%20on%20the%20West%20Florida%20Shelf%20%28i.e.%2C%20the%20Florida%20Middle%20Grounds%29%2C%20and%20slicks%20of%20pelagic%20Sargassum%20were%20found%20to%20align%20well%20with%20detected%20frontal%20features%20%28Chapter%206%2C%20Appendix%20D%29.%20Furthermore%2C%20Chapter%207%20focuses%20on%20the%20effects%20of%20GoM%20ocean%20eddies%20and%20surface%20currents%20on%20the%20transport%20and%20spatial%20distribution%20of%20pelagic%20Sargassum%2C%20and%20explores%20the%20origins%20and%20transport%20pathways%20of%20large%20amounts%20of%20pelagic%20Sargassum%20in%20the%20GoM.%20These%20were%20achieved%20through%20analyzing%20the%20satellite-derived%20Sargassum%20distributions%20in%20the%20context%20of%20ocean%20surface%20currents%20and%20eddies.%20Satellite%20observations%20of%20Sargassum%20areal%20density%20and%20altimetry-based%20ocean%20surface%20currents%20during%202000-2022%20were%20used%20in%20this%20study.%20The%20results%20suggest%20that%20large%20amounts%20of%20Sargassum%20in%20the%20GoM%20can%20either%20originate%20from%20the%20northwestern%20GoM%20or%20be%20a%20result%20of%20physical%20transport%20from%20the%20northwestern%20Caribbean%20Sea.%20For%20the%20former%2C%20Sargassum%20of%20the%20northwestern%20GoM%20can%20be%20transported%20to%20the%20eastern%20GoM%20via%20ocean%20currents%20and%20eddies%2C%20eventually%20entering%20the%20Sargasso%20Sea.%20For%20the%20latter%2C%20Sargassum%20of%20the%20northwestern%20Caribbean%20Sea%20can%20be%20transported%20in%20three%20different%20directions%20within%20the%20GoM%2C%20with%20eastward%20and%20northward%20transport%20controlled%20by%20the%20LC%20system%2C%20and%20westward%20transport%20driven%20by%20the%20westward%20extension%20of%20the%20LC%20system%2C%20the%20propagation%20or%20relay%20of%20the%20LCEs%2C%20the%20wind-driven%20ocean%20currents%20on%20the%20Campeche%20Bank%20with%20or%20without%20eddies%2C%20and%20the%20westward%20currents%20associated%20with%20eddies%20together%20with%20westward%20coastal%20currents%20in%20the%20northern%20GoM.%20Overall%2C%20the%20spatial%20distribution%20patterns%20of%20pelagic%20Sargassum%20in%20the%20GoM%20has%20been%20significantly%20influenced%20by%20the%20LC%20system.In%20summary%2C%20through%20integration%20of%20satellite%20remote%20sensing%2C%20in%20situ%20observations%20and%20numerical%20model%20outputs%2C%20and%20state-of-the-art%20algorithms%2C%20this%20dissertation%20has%20worked%20on%20six%20connected%20research%20topics%20related%20to%20ocean%20eddies%20%28e.g.%2C%20eddy%20spatial%20distributions%2C%20thermohaline%20structure%2C%20and%203-D%20properties%29%2C%20ocean%20frontal%20zones%20%28e.g.%2C%20spatial%20distributions%2C%20seasonal%20and%20interannual%20variability%2C%20and%20the%20mechanisms%20behind%20such%20variability%29%2C%20and%20their%20biological%20and%20ecological%20implications%20%28e.g.%2C%20the%20effects%20of%20ocean%20eddies%20on%20the%20transport%20and%20spatial%20distributions%20of%20pelagic%20Sargassum%29.%20The%20findings%20of%20this%20dissertation%20provide%20a%20better%20understanding%20of%20ocean%20eddies%20and%20frontal%20zones%20in%20the%20GoM%20and%20SoF%2C%20and%20the%20outcomes%20are%20expected%20to%20make%20a%20broad%20impact%20on%20future%20studies%20of%20the%20GoM%20ocean%20dynamics%20and%20bio-physical%20interactions.%22%2C%22thesisType%22%3A%22Ph.D.%22%2C%22university%22%3A%22University%20of%20South%20Florida%22%2C%22date%22%3A%222022%22%2C%22language%22%3A%22English%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fwww.proquest.com%5C%2Fdissertations-theses%5C%2Focean-eddies-frontal-zones-gulf-mexico-straits%5C%2Fdocview%5C%2F2708290812%5C%2Fse-2%3Faccountid%3D14524%22%2C%22collections%22%3A%5B%22X375UNI9%22%5D%2C%22dateModified%22%3A%222023-02-17T22%3A54%3A22Z%22%7D%7D%5D%7D
Aguedjou, H. M. A. (2022). Characteristics of mesoscale eddies in the tropical Atlantic Ocean and their interactions with the atmosphere [L’Universite de Toulouse]. http://thesesups.ups-tlse.fr/5326/
Baugh, S. (2022). Hierarchical Bayesian Spatial Modeling for Quantifying Climate Uncertainty (2675687905) [Ph.D., University of California, Los Angeles]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/hierarchical-bayesian-spatial-modeling/docview/2675687905/se-2?accountid=14524
Chamberlain, P. M. (2022). Semi-Lagrangian Float Motion and Observing System Design (2731501724) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/semi-lagrangian-float-motion-observing-system/docview/2731501724/se-2?accountid=14524
Chen, Y. (2022). Ocean Ventilation at mesoscale [Universite Paris-Saclet]. https://www.theses.fr/s216737
Coggins, A. (2022). Assessing critical uncertainties in the knowledge of the contemporary ocean sink for atmospheric CO2 [University of Exeter]. http://hdl.handle.net/10871/131521
Echols, R. E. (2022). The Impact of Freshwater and Phytoplankton on Mixed Layer Heating (2704922486) [Ph.D., University of Washington]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/impact-freshwater-phytoplankton-on-mixed-layer/docview/2704922486/se-2?accountid=14524
Gutierrez Villanueva, M. O. (2022). Dynamics of the Southern Ocean from Observations in Drake Passage (2763207896) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/dynamics-southern-ocean-observations-drake/docview/2763207896/se-2?accountid=14524
Liu, Y. (2022). Dynamique de bord ouest et circulation meridienne verticale dans la gyre subpolaire de l’Atlantique Nord. Université de Bretagne Occidentale.
Margolskee, A. J. (2022). Evaluating Physical and Biogeochemical Controls on Ocean Oxygen, Nitrate, and Carbon in Coupled Biogeochemical Ocean Circulation Models (2651807682) [Ph.D., University of Washington]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/evaluating-physical-biogeochemical-controls-on/docview/2651807682/se-2?accountid=14524
McGirr, R. (2022). Estimating Earth’s Temporal Gravity Field From Grace Observations: Mitigation of Thermal Errors and the Interplay Between Orbital Characteristics, Basis Functions and Spatial Resolution (2723852995) [Ph.D., The Australian National University (Australia)]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/estimating-earths-temporal-gravity-field-grace/docview/2723852995/se-2?accountid=14524
Pacini, A. (2022). Structure, variability, and dynamics of the West Greenland Boundary Current System [MIT]. https://hdl.handle.net/1721.1/143160
Peña-García, D. (2022). Nutrient gradients in the Red Sea: the coastal area off Jeddah and the central Red Sea [Kiel University]. https://macau.uni-kiel.de/receive/macau_mods_00002867 https://macau.uni-kiel.de/servlets/MCRFileNodeServlet/macau_derivate_00004012/Thesis%20David%20Pena%20Garcia_Final_Jun2022.pdf
Prend, C. J. (2022). Physical Controls on Southern Ocean Biogeochemistry (2692653184) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/physical-controls-on-southern-ocean/docview/2692653184/se-2?accountid=14524
Ren, A. S. (2022). Mesoscale to Large-Scale Variability in the California Current System from High-Resolution Observations (2692657792) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/mesoscale-large-scale-variability-california/docview/2692657792/se-2?accountid=14524
Turner, K. E. (2022). Impacts of thermal and carbon processes on climate reconstructions and projections [University of Liverpool]. https://doi.org/10.17638/03150589
Xue, T. (2022). Effects of Mixed Layer Depth on Productive Marine Ecosystems: From seasonality to climate change. https://macau.uni-kiel.de/receive/macau_mods_00003156
Yarger, D. (2022). Statistical Approaches for Spatially-Dependent Functional Data and their Application in Oceanography (2722379804) [Ph.D., University of Michigan]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/statistical-approaches-spatially-dependent/docview/2722379804/se-2?accountid=14524
Zhang, Y. (2022). Ocean Eddies and Frontal Zones in the Gulf of Mexico and Straits of Florida (2708290812) [Ph.D., University of South Florida]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/ocean-eddies-frontal-zones-gulf-mexico-straits/docview/2708290812/se-2?accountid=14524
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Baetge, N. Q. (2021). The Bioavailability of Seasonally Accumulated Dissolved Organic Carbon and Its Contribution to Export in the Western North Atlantic (2596621124) [Ph.D., University of California, Santa Barbara]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I; Publicly Available Content Database. https://www.proquest.com/dissertations-theses/bioavailability-seasonally-accumulated-dissolved/docview/2596621124/se-2
Bagnell, A. C. (2021). Assessing Historical Ocean Heat Content and Recent Global Mean Sea Level Rise Using Artificial Neural Networks (2601150322) [Ph.D., University of California, Santa Barbara]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/assessing-historical-ocean-heat-content-recent/docview/2601150322/se-2?accountid=14524
Barbot, S. (2021). Realistic modeling of the internal tide: its surface signature, variability and energy balance [L’Universite de Toulouse]. http://thesesups.ups-tlse.fr/5270/
Bastin, S. (2021). Internally generated circulation and variability in the tropical Atlantic Ocean. https://macau.uni-kiel.de/receive/macau_mods_00002050
Blincow, K. M. (2021). Addressing Applied Fisheries Ecology Questions Across Species, Fishery, and Global Scales (2584359447) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/addressing-applied-fisheries-ecology-questions/docview/2584359447/se-2?accountid=14524
Bock, N. (2021). Drivers of Variability in the Structure and Function of Marine Microbial Communities: From Cell Physiology to the Global Environment (2584328472) [Ph.D., Columbia University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/drivers-variability-structure-function-marine/docview/2584328472/se-2?accountid=14524
Bodner, A. S. (2021). The Dynamic Interplay between Submesoscales and Boundary Layer Turbulence (2665137843) [Ph.D., Brown University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/dynamic-interplay-between-submesoscales-boundary/docview/2665137843/se-2?accountid=14524
Brazhnikov, D. (2021). Investigation of Variability of Internal Tides in the Tasman Sea (2526266774) [Ph.D., University of Alaska Fairbanks]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/investigation-variability-internal-tides-tasman/docview/2526266774/se-2?accountid=14524
Conejero Garcia, C. (2021). Impact of climate change on ocean circulation in eastern edge upwelling systems in the Southern Hemisphere [Universite Toulouse III]. http://thesesups.ups-tlse.fr/5013/
Drouin, K. L. (2021). Investigating the Upper-Ocean Pathways, Dynamics, and Geometry of the South Atlantic [Duke University]. https://hdl.handle.net/10161/23022
Fourrier, M. (2021). Impact des forçages physiques sur la dynamique des éléments biogéochimiques en mer Méditerranée : approche couplée observations in situ et réseaux de neurones : Impact of physical forcings on the dynamics of biogeochemical elements in the Mediterranean Sea : combined use of in situ observations and neural networks [Sorbonne université]. https://www.theses.fr/2021SORUS255
Freilich, M. (2021). Vertical Fluxes in the Upper Ocean [MIT]. https://hdl.handle.net/1721.1/139994
Giunta, V. (2021). Mixing and mixed layer depths in the ocean [National University of Ireland - Galway]. http://oatd.org/oatd/record?record=handle\:10379\%2F16860&q=%28argo%29
Giunta, V. (2021). Mixing and mixed layer depths in the ocean [NUI Galway]. http://hdl.handle.net/10379/16860
Gonçalves Neto, A. (2021). North Atlantic on the Edge: Ocean Circulation Through Gateways at the Subpolar-Subtropical Boundary (2511965429) [Ph.D., University of Rhode Island]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/north-atlantic-on-edge-ocean-circulation-through/docview/2511965429/se-2?accountid=14524
Gruenburg, L. K. (2021). Indonesian Throughflow Heat Transport, and Spreading Within the Eastern Tropical Indian Ocean (2484328035) [Ph.D., Columbia University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/indonesian-throughflow-heat-transport-spreading/docview/2484328035/se-2?accountid=14524
Hague, M. (2021). Ice - ocean - atmosphere interactions in the Southern Ocean and implications for phytoplankton phenology. OpenUCT. http://hdl.handle.net/11427/33708
Houndegnonto, O. J. (2021). Analyse des variations thermohalines des échelles intra-saisonnière à saisonnière des panaches d’eau douce du Golfe de Guinée. Université de Bretagne Occidentale.
Ienna, F. M. S. (2021). Mediterranean Water Eddies and Their Expressions at the sea Surface (2652590832) [Ph.D., Universidade de Lisboa (Portugal)]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/mediterranean-water-eddies-their-expressions-at/docview/2652590832/se-2?accountid=14524
Izett, R. W. (2021). Improved estimates of net community production in the Subarctic Pacific and Canadian Arctic Ocean using ship-based autonomous measurements and computational approaches [Text, University of British Columbia]. https://open.library.ubc.ca/collections/24/items/1.0398454
Lavin, P. D. (2021). Innovative Observational Global and Regional Ocean Water Mass, Circulation, and Mixing Analyses (2566238596) [Ph.D., University of Washington]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/innovative-observational-global-regional-ocean/docview/2566238596/se-2?accountid=14524
Lilly, L. E. (2021). Responses of the Southern California Current System Zooplankton Community to El Niño Variability (2511919496) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/responses-southern-california-current-system/docview/2511919496/se-2?accountid=14524
Lovindeer, R. A. E. (2021). Ecological Significance of Cyanobacteria Pigment Color Acclimation in the Ocean (2558599320) [Ph.D., University of California, Irvine]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/ecological-significance-cyanobacteria-pigment/docview/2558599320/se-2?accountid=14524
Rigby, S. J. (2021). The Distribution and Vertical Transport of Resources in the Upper Ocean (2570381172) [Ph.D., The University of Liverpool (United Kingdom)]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/distribution-vertical-transport-resources-upper/docview/2570381172/se-2?accountid=14524
Shahzadi, K. and, & and. (2021). A new Global Ocean Climatology [Università di Bologna]. http://oatd.org/oatd/record?record=oai\:amsdottorato.cib.unibo.it\:9854&q=%28argo%29
Shi, J.-R. (2021). Responses of the Southern Ocean in a Changing Climate (2555987935) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/responses-southern-ocean-changing-climate/docview/2555987935/se-2?accountid=14524
Smith, C. M. (2021). New Perspectives on Primary Production in the Pacific Sector of the Southern Ocean (2605189081) [Ph.D., Stanford University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/new-perspectives-on-primary-production-pacific/docview/2605189081/se-2?accountid=14524
Swierczek, S. (2021). Modeling Heat and Carbon in the Argentine Basin (2572617071) [Ph.D., The University of Arizona]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/modeling-heat-carbon-argentine-basin/docview/2572617071/se-2?accountid=14524
Tchonang, B. C. (2021). Contribution of the Surface Water Ocean Topography (SWOT) satellite for ocean analysis and forecasting [Universite Toulouse III]. http://thesesups.ups-tlse.fr/5111/
Wang, L. (2021). Modulations of Climate Variability on Global and Southern Ocean Changes (2572609940) [Ph.D., University of Delaware]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/modulations-climate-variability-on-global/docview/2572609940/se-2?accountid=14524
Watelet, S. (2021). Reconstruction of the Gulf Stream variability since 1940 using a variational inverse method and study of its interaction with the North Atlantic Oscillation [University of Liege]. https://hdl.handle.net/2268/254728
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Barpanda, P. (2020). Dynamics of Extratropical Storm Tracks on Different Timescales (2451837523) [Ph.D., The University of Chicago]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/dynamics-extratropical-storm-tracks-on-different/docview/2451837523/se-2?accountid=14524
Beadling, R. L. (2020). Representation of Large-scale Ocean Circulation in the Atlantic and Southern Ocean in Climate Model Simulations and Projected Changes Under Increased Warming (2403113076) [Ph.D., The University of Arizona]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/representation-large-scale-ocean-circulation/docview/2403113076/se-2?accountid=14524
Blazquez, A. (2020). Satellite characterization of ocean-continental water exchanges at interannual to decadal scales [l’Universit´e Toulouse 3 Paul Sabatier (UT3 Paul Sabatier)]. http://thesesups.ups-tlse.fr/4679/
Catany, R. J. (2020). Understanding Tropical Cyclone induced changes in upper ocean temperature and salinity [University of Southampton]. https://eprints.soton.ac.uk/437859/1/Jaume_Catany_Rafael_PhD_Thesis_Jan_2020.pdf
Cornec, M. (2020). Dynamic of Deep phytoplankton Maxima : a global approach using BioGeoChemical-Argo floats La dynamique des Maxima profonds de phytoplancton : une approche globale avec les flotteurs BGC-Argo [Sorbonne Université]. Star Gip-be Theses-su Ums-829 Insu Sorbonne-univ Su-sciences Cnrs Lov Sorbonne-universite Su-ti Alliance-su. https://tel.archives-ouvertes.fr/tel-03474181
Cyriac, A. (2020). Internal waves, turbulent mixing and upper ocean heat balances in the southeast Indian Ocean [University of Tasmania]. http://oatd.org/oatd/record?record=oai\:eprints.utas.edu.au\:35883&q=%28argo%29
Freund, M. (2020). Dispersion of a Tracer in the Eastern Tropical South Pacific - an Investigation of Interactions from the Benthic Boundary Layer to the Ocean Interior [Christian-Albrechts-University of Kiel]. https://macau.uni-kiel.de/receive/macau_mods_00000520
Haentjens, N. (2020). Optical Signatures of Plankton in the Open Ocean: From Individual Cells to Global Patterns (2572548429) [Ph.D., The University of Maine]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/optical-signatures-plankton-open-ocean-individual/docview/2572548429/se-2?accountid=14524
Hope, A. P. (2020). Quantification of the Past and Future Anthropogenic Effect on Climate Change Using the Empirical Model of Global Climate, an Energy Balance Multiple Linear Regression Model (2495519962) [Ph.D., University of Maryland, College Park]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/quantification-past-future-anthropogenic-effect/docview/2495519962/se-2?accountid=14524
Johnson, B. K. (2020). Evaluating Oceanographic Hypotheses: Three Methods for Testing Ideas (2451142358) [Ph.D., University of Maryland, College Park]. ProQuest Dissertations & Theses A&I. https://search.proquest.com/docview/2451142358?accountid=14524
Kido, S. (2020). Mechanisms and impacts of salinity anomalies associated with the positive Indian Ocean Dipole. The University of Tokyo.
Koelling, J. (2020). Variability in Formation, Properties, and Transport of North Atlantic Deep Water (2428026212) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://search.proquest.com/docview/2428026212?accountid=14524
Le Guennec, V. N. R. (2020). Exploring Multi-Annual Changes in the Biophysical Environment of the Black Sea (2518419893) [Ph.D., The University of Liverpool (United Kingdom)]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/exploring-multi-annual-changes-biophysical/docview/2518419893/se-2?accountid=14524
Li, K. (2020). Ekman transport : a trigger of interannual extreme formation rates of eighteen degree water Le transport d’Ekman comme déclencheur des extrêmes de formation de l’Eau Modale à 18 degrés aux échelles de temps interannuelles [Université de Bretagne occidentale - Brest]. Star Univ-brest Ifremer Iuem Theses_iuem Gip-be Cnrs Ird Theses-ubo Ubo-these Lops. https://tel.archives-ouvertes.fr/tel-03348108
López, A. G. (2020). Modeling the Circulation and Timescales of the Mid-Atlantic Bight and Gulf of Maine (2430056449) [Ph.D., Rutgers The State University of New Jersey, School of Graduate Studies]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/modeling-circulation-timescales-mid-atlantic/docview/2430056449/se-2?accountid=14524
Roman-Stork, H. L. (2020). Ocean-Atmosphere Interactions During Intraseasonal Oscillations in the Northern Indian Ocean (2503958417) [Ph.D., University of South Carolina]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/ocean-atmosphere-interactions-during/docview/2503958417/se-2?accountid=14524
Scannell, H. A. (2020). Seas in Hot Water: Marine Heatwaves on the Move; Following the Heat (2491913096) [Ph.D., University of Washington]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/seas-hot-water-marine-heatwaves-on-move-following/docview/2491913096/se-2?accountid=14524
Smilenova, A. (2020). Perspectives on driving mechanisms affecting intermediate water masses presence in the Rockall Trough [National University of Ireland - Galway]. http://oatd.org/oatd/record?record=handle\:10379\%2F16714&q=%28argo%29
Solodoch, A. (2020). Topographic Effects on Mesoscale Ocean Circulation (2437406931) [Ph.D., University of California, Los Angeles]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://search.proquest.com/docview/2437406931?accountid=14524
Sun, X. (2020). New Processes and Microbes in the Marine Nitrogen Cycle (2478602565) [Ph.D., Princeton University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/new-processes-microbes-marine-nitrogen-cycle/docview/2478602565/se-2?accountid=14524
Supply, A. (2020). Étude des dessalures à la surface d’un océan stratifié à partir d’observations satellitaires et de mesures in-situ. Sorbonnes Université.
Tesdal, J.-E. (2020). Circulation Changes Associated with Freshwater and Heat Content Variability and Implications for Biological Productivity in the Subpolar North Atlantic Ocean (2444298800) [Ph.D., Columbia University]. ProQuest Dissertations & Theses A&I. https://search.proquest.com/docview/2444298800?accountid=14524
Travis, S. (2020). Mesoscale Eddy Activity in the South Pacific Subtropical Counter-Current: Decadal Variability and Bio-Physical Connections (2430178225) [Ph.D., University of Hawai’i at Manoa]. ProQuest Dissertations & Theses A&I. https://search.proquest.com/docview/2430178225?accountid=14524
Trinh, B. N. (2020). Water, heat and salt cycles in the South China Sea, from seasonal variation to interannual variability: high-resolution, closed-balance ocean modelling [Universite Toulouse III]. http://thesesups.ups-tlse.fr/4988/
Tuchen, F. P. (2020). The Atlantic Subtropical Cells: mean state and variability from an observational perspective. https://macau.uni-kiel.de/receive/macau_mods_00000769
Wu, Y. (2020). Investigation of surface ocean carbon distribution using large global dataset [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/437856
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amaya, D. J. (2019). Tropical-Extratropical Climate Interactions on Seasonal-to-Decadal Timescales [University of California, San Diego]. https://search.proquest.com/docview/2338533843?accountid=14524
Anutaliya, A. (2019). Variability of Boundary Currents in Low Latitude Regions: The Northern Indian Ocean and Southern Pacific Ocean (2382027346) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/variability-boundary-currents-low-latitude/docview/2382027346/se-2?accountid=14524
Barbieux, M. (2019). Étude des relations bio-optiques dans l’océan global et du fonctionnement biogéochimique des maxima de subsurface de chlorophylle en Méditerranée à partir des mesures des flotteurs profileurs BGC-Argo. http://www.theses.fr/2019SORUS490/document
Bernardi Bif, M. (2019). Understanding Resistant Organic Carbon in the Ocean: From Microbes to Large-Scale Processes [University of Miami]. https://scholarlyrepository.miami.edu/oa_dissertations/2322
Chi, L. (2019). Interannual variability of the gulf stream [State University of New York at Stony Brook]. https://search.proquest.com/docview/2378913925?accountid=14524
Cimoli, L. (2019). A turbulent story: role of diapycnal mixing in the ocean overturning circulation and tracer distribution [University of Oxford]. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.823473
El Hourany, R. (2019). Télédétection du phytoplancton par méthode neuronale : du global au régional, de la composition pigmentaire aux biorégions. http://www.theses.fr/2019SORUS095/document
Ferster, B. S. (2019). The role of the southern ocean on global ocean circulation and climate [University of South Carolina]. https://search.proquest.com/docview/2318680309?accountid=14524
Garcia Quintana, Y. (2019). On the driving sources and variability of North Atlantic deep water. University of Alberta.
Handmann, P. V. K. (2019). Deep Water Formation and Spreading Dynamics in the subpolar North Atlantic from Observations and high-resolution Ocean Models. https://macau.uni-kiel.de/receive/macau_mods_00000258
Hausfather, E. J. (2019). Improving the Observational Temperature Record (2436893742) [Ph.D., University of California, Berkeley]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://search.proquest.com/docview/2436893742?accountid=14524
Hazel, J. E. (2019). Exploring the wind-driven near-antarctic circulation [University of California, Los Angeles]. https://search.proquest.com/docview/2284211081?accountid=14524
Jakoboski, J. K. (2019). Equatorial ocean dynamics impacting upwelling west of the Galápagos Archipelago [MIT and Woods Hole Oceanographic Institution]. http://oatd.org/oatd/record?record=handle\:1912\%2F24553&q=%28argo%29
Kumar, V. (2019). Statistical sea level scale for the islands of the Southwest Pacific: a multiple linear regression approach [L’Universite Toulouse 3]. http://thesesups.ups-tlse.fr/4559/
Kuntz, L. (2019). Multi-Decadal Climate Variability: A Pacific Mechanism With Global Implications [Harvard]. http://nrs.harvard.edu/urn-3:HUL.InstRepos:40049985
Laxenaire, R. (2019). Étude du devenir des tourbillons des Aiguilles et de leur transport dans l’océan Atlantique Sud à partir d’observations satellitaires et in situ : Assessments on the fate of the Agulhas Rings and their transport in the South Atlantic estimated by combining satellite altimetry and in situ observations [Paris Saclay]. http://oatd.org/oatd/record?record=star-france\:2019SACLX005&q=argo
Levang, S. J. (2019). The response of ocean salinity patterns to climate change : implications for circulation [Massachusetts Institute of Technology]. https://hdl.handle.net/1721.1/122329
Lobell, D. (2019). Past, present and future variations of the Atlantic Meridional Overturning Circulation [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/435867
Lu, X. (2019). South Pacific Tropical Water: Variability and Downstream Impacts [University of Miami]. https://scholarlyrepository.miami.edu/oa_dissertations/2308
Lundrigan, S. (2019). Mean and Eddy Induced Transport in the Ocean Region Adjacent to the Greenland-Scotland Ridge. Memorial University of Newfoundland.
Reeve, K. (2019). The circulation and distribution of heat within Warm Deep Water in the Weddell Gyre: an Argo float perspective (2355508732) [Ph.D., Universitaet Bremen (Germany)]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/circulation-distribution-heat-within-warm-deep/docview/2355508732/se-2?accountid=14524
Rieck, J. K. (2019). The Nature and Variability of Eddy Kinetic Energy in an Ocean General Circulation ModelWith a Focus on the South Pacific Subtropical Gyre and the Labrador Sea [Christian-Albrechts-Universität zu Kiel]. https://macau.uni-kiel.de/receive/diss_mods_00025123
Rodriguez, A. R. (2019). Buoyancy transport mechanisms at continental shelf, surf zone, and estuarine scales [University of California, San Diego]. https://search.proquest.com/docview/2297177279?accountid=14524
Roiha, P. (2019). Advancements of operational oceanography in the Baltic Sea [Finnish Meteorological Institute]. http://hdl.handle.net/10138/308506
Sauvage, C. (2019). Coupled ocean-atmosphere forecasting of Mediterranean episodes: impact of better consideration of river flows and sea status [Universite Toulouse III]. http://thesesups.ups-tlse.fr/4890/
Spiro Jaeger, G. V. (2019). Stratified and stirred: monsoon freshwater in the Bay of Bengal [Massachusetts Institute of Technology]. https://hdl.handle.net/1721.1/122332
Sun, L. (2019). Developments in lagrangian data assimilation and coupled data assimilation to support earth system model initialization [University of Maryland]. https://search.proquest.com/docview/2307163399?accountid=14524
Trott, C. B. (2019). Upper Ocean Dynamics and Mixing in the Arabian Sea during Monsoons [University of South Carolina]. https://search.proquest.com/docview/2270076747?accountid=14524
Uchida, T. (2019). Seasonality in surface (sub)mesoscale turbulence and its impact on iron transport and primary production [Columbia University]. https://search.proquest.com/docview/2312585871?accountid=14524
Valla, D. (2019). Las corrientes de borde oeste del Atlántico Sur en 34.5° S: estructura hidrográfica y circulación regional. Universidad de Buenos Aires.
Vasconcelos Nogueira Neto, A. (2019). Mécanismes contrôlant les anomalies de température de surface de la mer et de précipitation au cours de deux années contrastées 2010 et 2012 dans l’Atlantique tropical [Universite Toulouse III]. http://thesesups.ups-tlse.fr/4247/
Wang, S. (2019). Relating Bilogical Rate Measurements and Microbial Processes Across Diverse Ocean Ecosystems [Duke University]. https://hdl.handle.net/10161/18703
West, B. J. (2019). The Role of Oceanic Processes in the Initiation of Atmospheric Intraseasonal Oscillations over the Indian Ocean [University of Colorado at Boulder]. https://search.proquest.com/docview/2363159677?accountid=14524
Wild, C. (2019). Coupled ocean-atmosphere forecast of Mediterranean episodes: impact of better consideration of river flows and sea condition [L’Universite Toulouse 3]. http://thesesups.ups-tlse.fr/4890/
Wilson, E. A. (2019). Sea ice and upper ocean variability in the southern ocean [University of Washington]. https://search.proquest.com/docview/2292188682?accountid=14524
Woodworth-Jefcoats, P. A. (2019). Climate and Fishing Impacts on North Pacific Fisheries: Insights and Projections from Contrasting Approaches to Ecosystem Modeling (2270019816) [Ph.D., University of Hawai’i at Manoa]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/climate-fishing-impacts-on-north-pacific/docview/2270019816/se-2?accountid=14524
Wu, Y. (2019). Investigation of surface ocean carbon distribution using large global dataset [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/437856
Yoshida, T. (2019). Covariance localization in strongly coupled data assimilation [University of Maryland]. https://search.proquest.com/docview/2305852658?accountid=14524
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Alberty, M. S. (2018). Water Mass Transport and Transformation in the Tropics and Arctic [University of California, San Diego]. https://search.proquest.com/docview/2166281725?accountid=14524
Anderson, J. (2018). Observations of Near-Surface Temperature and Salinity from Profiling Floats: Vertical Variability, Structure, and Connection to Deeper Properties [University of Washington]. https://search.proquest.com/docview/2033149557?accountid=14524
Awo, F. M. (2018). Interannual modes of tropical climate variability, oscillatory dynamics and signatures in sea surface salinity [Sciences of the Universe, the Environment and Space]. http://thesesups.ups-tlse.fr/4089/
Bhatrasataponkul, T. (2018). The Origin of the North Atlantic Cold Blob Revisited [Florida State University]. https://search.proquest.com/docview/2176522577?accountid=14524
Cheng, Y. (2018). Agulhas Leakage Variability and Its Climate Implications in a Coupled System [University of Miami]. https://search.proquest.com/docview/2050050479?accountid=14524
Chi, N.-H. (2018). Surface Mixed Layer Heat and Salinity Budget in the Central Equatorial Indian Ocean [University of Washington]. https://search.proquest.com/docview/2185755082?accountid=14524
Dean, C. W. (2018). Turbulent and Electromagnetic Signature of Small- and Fine-scale Biological and Oceanographic Processes (2322825067) [Ph.D., Nova Southeastern University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/turbulent-electromagnetic-signature-small-fine/docview/2322825067/se-2?accountid=14524
Dilmahamod, A. F. (2018). The biophysical processes controlling the South-east Madagascar Phytoplankton Bloom [Université de Bretagne occidentale - Brest]. Star Cnrs Univ-brest Ifremer Ubo-these Ird Lops. https://tel.archives-ouvertes.fr/tel-01881872
Dolinar, E. K. (2018). A Global Investigation of Cloud-Radiative Properties through an Integrative Analysis of Observations and Model Simulations [University of North Dakota]. https://search.proquest.com/docview/2115523145?accountid=14524
Drexler, M. (2018). Evaluating the Use of Larval Connectivity Information in Fisheries Models and Management in the Gulf of Mexico [University of South Florida]. https://search.proquest.com/docview/2167458895?accountid=14524
Eddebbar, Y. (2018). Climate Modulations of Air-Sea Oxygen, Carbon, and Heat Exchange [University of California, San Diego]. https://search.proquest.com/docview/2028094892?accountid=14524
Foukal, N. P. (2018). Ocean Heat Transport from the Subtropical Gyre to the Subpolar Gyre in the North Atlantic [Duke University]. https://hdl.handle.net/10161/16868
Frederikse, T. (2018). Sea-level changes on multiple spatial scales: estimates and contributing processes [Delft University of Technology]. https://doi.org/10.4233/uuid:0912fa9b-4442-4a6b-8831-db5ec2603cb8
Fu, Y. (2018). Meridional Overturning Circulation in the Tropical Atlantic - On the Meridional Ageostrophic and Geostrophic Transports, and Water Mass Properties [Christian-Albrechts-Universit ̈at zu Kiel]. https://macau.uni-kiel.de/receive/diss_mods_00022391
Goddard, P. (2018). Oceanic Controls of North American East Coast Sea Level Rise and Ocean Warming of the Antarctic Shelf [The University of Arizona]. https://search.proquest.com/docview/2010990101?accountid=14524
Johnson, L. (2018). Stratification at Ocean Fronts [University of Washington]. https://search.proquest.com/docview/2125448100?accountid=14524
Kleinherenbrink, M. (2018). Consistent estimates of sea level and vertical land motion based on satellite radar altimetry [Delft University of Technology]. https://doi.org/10.4233/uuid:b1be0112-b5ff-4530-a730-4c8c1f176a91
Kuntz, L. (2018). Multi-Decadal Climate Variability: A Pacific Mechanism With Global Implications [Harvard University]. http://oatd.org/oatd/record?record=oai\:dash.harvard.edu\:1\%2F40049985&q=%28argo%29
Laiolo, L. (2018). Using satellite ocean colour to explore phytoplankton dynamics and size in East Australian waters [University of Technology, Sydney]. http://oatd.org/oatd/record?record=handle\:10453\%2F129359&q=%28argo%29
Li, Q. (2018). Southern Ocean Mesoscale Eddy-Mean Flow Interaction, Mixed Layer Dynamics, and Their Relationship with the Southern Annular Mode (2460088784) [Ph.D., The Pennsylvania State University]. ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/southern-ocean-mesoscale-eddy-mean-flow/docview/2460088784/se-2?accountid=14524
Luecke, C. A. (2018). Motions in the Oceans: Potential and Kinetic Energy and Turbulent Dissipation [University of Michigan]. http://hdl.handle.net/2027.42/147589
Marchese, C. (2018). The influence of the physical environment on phytoplankton blooms at high latitudes: A satellite perspective [University of Quebec]. https://search.proquest.com/docview/2160960073?accountid=14524
Menzel Barraqueta, J.-L. (2018). The biogeochemical cycle of dissolved aluminium in the Atlantic Ocean [Kiel University]. https://macau.uni-kiel.de/receive/diss_mods_00023074
Mozzato, A. (2018). Emplacement mechanisms of submarine landslides and their effect on ocean circulation and climate [University of Southampton]. https://eprints.soton.ac.uk/id/eprint/424748
Nguyen Dac, D. (2018). Interannual variability of south Vietnam upwelling: contributions from atmospheric, oceanic, hydrological forcing and oceanic intrinsic variability [Sciences of the Universe, the Environment and Space (SDU2E)]. http://thesesups.ups-tlse.fr/3985/1/2018TOU30081.pdf
Pellichero, V. (2018). Study of the dynamics of the ocean mixed-layer and interactions surface/ocean in the Southern Ocean under the sea-ice [Sorbonne Université]. Cnrs Mnhn Gip-be Upmc Insu Locean Upmc_pole_3 Sorbonne-universite Sorbonne-univ. https://tel.archives-ouvertes.fr/tel-01910121
Plotkin, D. A. (2018). Rare Events in Weather and Climate [The University of Chicago]. https://search.proquest.com/docview/2162621805?accountid=14524
Pollmann, F. (2018). Oceanic internal gravity waves and turbulent mixing: observations and parameterizations [Universitat Hamburg]. http://ediss.sub.uni-hamburg.de/volltexte/2018/8948/
Ramanantsoa, J. D. (2018). Variability of coastal upwelling south of Madagascar [University of Cape Town]. https://open.uct.ac.za/handle/11427/29859
Rocha, C. B. (2018). The Turbulent and Wavy Upper Ocean: Transition from Geostrophic Flows to Internal Waves and Stimulated Generation of Near-inertial Waves [University of California, San Diego]. https://search.proquest.com/docview/2068030931?accountid=14524
Roge, M. (2018). Altimetric Mapping Studies for Observing Mesoscale Dynamics in the SWOT Context: Application to the Western Mediterranean Sea [Sciences of the Universe, the Environment and Space (SDU2E)]. http://thesesups.ups-tlse.fr/3980/1/2018TOU30078.pdf
Rudzin, J. E. (2018). An Assessment of the Caribbean Sea’s Upper Ocean Influence on Air-Sea Interaction During Tropical Cyclones [University of Miami]. https://search.proquest.com/docview/2047585263?accountid=14524
Sanchez, S. C. (2018). Pacific Climate Variability: Insights from Coral Records, Earth System Models and Novel Geochemical Tracers [University of California, San Diego]. https://search.proquest.com/docview/2067449257?accountid=14524
Schramek, T. A. (2018). Ocean-Island Interactions in the Western Pacific [University of California, San Diego]. https://search.proquest.com/docview/2162720911?accountid=14524
Simons, E. G. (2018). Circulation in the Lau Basin and Havre Trough [The Florida State University]. https://search.proquest.com/docview/2102154064?accountid=14524
Sluka, T. (2018). Strongly Coupled Ocean-Atmosphere Data Assimilation with the Local Ensemble Transform Kalman Filter [University of Maryland]. https://doi.org/10.13016/vez0-ikjn
Steffen, J. (2018). Barrier layer development local to tropical cyclones [Florida State University]. https://search.proquest.com/docview/2278105102?accountid=14524
Tamsitt, V. (2018). Aspects of the Three-Dimensionality of the Southern Ocean Overturning Circulation [University of California, San Diego]. https://search.proquest.com/docview/2030074182?accountid=14524
Trujilo, A. C. C. (2018). Ocean Dynamics South Shore of Oahu, Hawai’i: From Mean Circulation to Near-Inertial Waves and Submesoscale [University of Hawaii at Manoa]. https://search.proquest.com/docview/2128009816?accountid=14524
Zaba, K. D. (2018). Seasonal and Interannual Variability of the California Current System: Glider Observations and a Numerical State Estimate (2121157625) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/seasonal-interannual-variability-california/docview/2121157625/se-2?accountid=14524
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Al Shaqsi, H. M. S. (2017). Temporal and Spatial Variability of the Ras Al-Hadd Jet/Front in the Northwest Arabian Sea [Texas A&M University]. https://search.proquest.com/docview/1955382593?accountid=14524
Bogdanoff, A. S. (2017). Phsyics of diurnal warm layers: turbulence, internal waves and lateral mixing [MIT]. http://hdl.handle.net/1721.1/108895
Briggs, E. M. (2017). Expanding Marine Biogeochemical Observations Utilizing ISFET pH Sensing Technology and Autonomous Platforms [University of California, San Diego]. https://search.proquest.com/docview/1940349143?accountid=14524
Brilouet, P.-E. (2017). Thermodynamique et turbulence dans les épisodes de vent fort sur le Golfe du Lion [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3723/
Busecke, J. (2017). Surface Eddy Mixing in the Global Subtropics [Columbia University]. https://search.proquest.com/docview/1946736574?accountid=14524
Capuano, T. A. (2017). Small-scale ocean dynamics in the Cape Basin and its impact on the regional circulation. http://www.theses.fr/2017BRES0115/document
Conry, P. (2017). Scale Continuum of Vertical Exchanges Between Lower Stratosphere and Surface Layers [University of Notre Dame]. https://search.proquest.com/docview/2172440415?accountid=14524
Cusack, J. (2017). Mechanisms of eddy dissipation in the Southern Ocean [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/417983
Daneshgar Asl, S. (2017). Movement and Fate of Natural and Unnatural Oil Slicks in the Gulf of Mexico [Florida State University]. http://purl.flvc.org/fsu/fd/FSU_2017SP_DaneshgarAsl_fsu_0071E_13611
Dieng, H. B. (2017). Variations actuelles du niveau de la mer. http://thesesups.ups-tlse.fr/3430/
Ferreira, M. B. (2017). Subtropical Mode Water characterization in the Brazil-Malvinas Confluence region [Instituto Oceanográfico]. http://dx.doi.org/10.11606/T.21.2017.tde-02082017-145650
Foppert, A. (2017). Southern Ocean Eddy Heat Flux and Eddy-Mean Flow Interactions in Drake Passage [University of Rhode Island]. https://search.proquest.com/docview/1946754440?accountid=14524
Fu, Y. (2017). Meridional Overturning Circulation in the Tropical Atlantic: On the Meridional Ageostrophic and Geostrophic Transports, and Water Mass Properties [Kiel University]. https://macau.uni-kiel.de/receive/diss_mods_00022391
Goszczko, I. (2017). Water mass transformation in the region influenced by the West Spitsbergen Current.
Hsu, C.-W. (2017). A Study of Ocean Mass and Transport with Remote Sensing [University of California, Irvine]. https://search.proquest.com/docview/1927668524?accountid=14524
KASSIS, D. (2017). Operational in-situ monitoring of the Greek seas as a tool to describe hydrodynamic variability and its effect on the biochemical distribution. National Technical University of Athens.
Kopte, R. (2017). The Angola Current in a Tropical Seasonal Upwelling System: Seasonal Variability in Response to Remote Equatorial and Local Forcing [Christian-Albrechts-Universit ̈at zu Kiel]. https://macau.uni-kiel.de/receive/diss_mods_00021847
Kosempa, M. (2017). Southern Ocean Transport by Combining Satellite Altimetry and Temperature/Salinity Profile Data [University of South Florida]. https://search.proquest.com/docview/1887970445?accountid=14524
Le Bras, I. A. (2017). Dynamics of North Atlantic western boundary currents [MIT]. http://hdl.handle.net/1721.1/109056
Li, Z. (2017). Remotely Sensed Estimates and Controls of Large-Scale Oceanic Net Community Production [Duke University]. https://search.proquest.com/docview/1892455591?accountid=14524
Lu, W. (2017). Physical Modulation to the Biological Production in the South China Sea: A Physical-Biological Coupled Model Approach [University of Delaware]. https://search.proquest.com/docview/2024166828?accountid=14524
Márcio Borges, F. (2017). Caracterização da Água Modal Subtropical na região da Confluência Brasil-Malvinas [University of Sao Paulo]. https://doi.org/10.11606/T.21.2017.tde-02082017-145650
Masich, J. (2017). Momentum Balance in the Southern Ocean [University of California, San Diego]. https://search.proquest.com/docview/2008974361?accountid=14524
Nelson, A. D. (2017). Observation-Model Comparisons of Near-Surface Ocean Variability on Interannual, Multidecadal, and Orbital Time Scales [University of Colorado at Boulder]. https://search.proquest.com/docview/1933791956?accountid=14524
Nugroho, D. (2017). La marée dans un modèle de circulation générale dans les mers indonésiennes [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3614/
Papapostolou, A. (2017). Seasonal Mass and Momentum Balance of the Atlantic Equatorial Undercurrent [University of Miami]. https://search.proquest.com/docview/1909385205?accountid=14524
Salehipour, H. (2017). Stratified Turbulence and Ocean Mixing [University of Toronto]. https://search.proquest.com/docview/1993241279?accountid=14524
Sangmanee, C. (2017). Investigation of the Impacts of Greenland Ice Sheet Melting on the Along-Shelf Flow on Greenland Shelves and the Labrador Sea Deep Convection [The Florida State University]. https://search.proquest.com/docview/1961607060?accountid=14524
Schonau, M. C. (2017). Transport and Thermohaline Structure in the Western Tropical North Pacific [University of California, San Diego,]. https://search.proquest.com/docview/1940348099?accountid=14524
Vergara, O. (2017). Breakdown of ocean circulation in the South-East Pacific by Rossby waves and mesoscale activity: ENSO teleconnections [Sciences of the Universe, the Environment and Space (SDU2E)]. http://thesesups.ups-tlse.fr/3946/1/2017TOU30356.pdf
Verrier, S. (2017). Impact des missions altimétriques et des réseaux de mesure in situ actuels et futurs sur l’analyse et la prévision océanique [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3619/
Wibawa, T. A. (2017). Modélisation globale et régionale de la dynamique de population du thon obèse de l’océan Indien avec le modèle SEAPODYM. http://thesesups.ups-tlse.fr/3680/
Zajaczkovski, U. (2017). A Study of the Southern Ocean: Mean State, Eddy Genesis and Demise and Energy Pathways [University of California, San Diego]. https://search.proquest.com/docview/1940347863?accountid=14524
Zhang, X. (2017). The Role of Equatorial Pacific Currents in El Nino and El Nino Prediction [Florida State University]. http://purl.flvc.org/fsu/fd/FSU_SUMMER2017_Zhang_fsu_0071E_13691
Zhou, Y. (2017). Accurate measurements and model function for the dielectric constant of seawater at L-band [George Washington University]. https://search.proquest.com/docview/1887970422?accountid=14524
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%20the%20resolution%20still%20leads%20to%20increased%20utility%2C%20particularly%20in%20the%20barotropic%20and%20baroclinic%20density%20space%20overturning%20case.%5Cn%5CnThe%20major%20implications%20of%20our%20results%20are%20that%20low%20resolution%20is%20appropriate%20for%20fields%20such%20as%20the%20mixed%20layer%20depth%2C%20but%20increasing%20the%20resolution%20is%20seen%20to%20improve%20the%20mean%20overturning%20through%20allowing%20eddy%20activity.%22%2C%22thesisType%22%3A%22PhD%22%2C%22university%22%3A%22University%20of%20Southampton%22%2C%22date%22%3A%222016%22%2C%22language%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Feprints.soton.ac.uk%5C%2Fid%5C%2Feprint%5C%2F397412%22%2C%22collections%22%3A%5B%22X375UNI9%22%5D%2C%22dateModified%22%3A%222023-02-17T22%3A54%3A29Z%22%7D%7D%2C%7B%22key%22%3A%22L9UT4PVX%22%2C%22library%22%3A%7B%22id%22%3A11040291%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Waldman%22%2C%22parsedDate%22%3A%222016%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EWaldman%2C%20R.%20%282016%29.%20%3Ci%3EEtude%20multi-%26%23xE9%3Bchelle%20de%20la%20convection%20oc%26%23xE9%3Banique%20profonde%20en%20mer%20M%26%23xE9%3Bditerran%26%23xE9%3Be%26%23x202F%3B%3A%20de%20l%26%23x2019%3Bobservation%20%26%23xE0%3B%20la%20mod%26%23xE9%3Blisation%20climatique%3C%5C%2Fi%3E.%20%3Ca%20href%3D%27http%3A%5C%2F%5C%2Fthesesups.ups-tlse.fr%5C%2F3546%5C%2F%27%3Ehttp%3A%5C%2F%5C%2Fthesesups.ups-tlse.fr%5C%2F3546%5C%2F%3C%5C%2Fa%3E%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22thesis%22%2C%22title%22%3A%22Etude%20multi-%5Cu00e9chelle%20de%20la%20convection%20oc%5Cu00e9anique%20profonde%20en%20mer%20M%5Cu00e9diterran%5Cu00e9e%20%3A%20de%20l%27observation%20%5Cu00e0%20la%20mod%5Cu00e9lisation%20climatique%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Robin%22%2C%22lastName%22%3A%22Waldman%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22thesisType%22%3A%22%22%2C%22university%22%3A%22%22%2C%22date%22%3A%222016%22%2C%22language%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fthesesups.ups-tlse.fr%5C%2F3546%5C%2F%22%2C%22collections%22%3A%5B%22X375UNI9%22%5D%2C%22dateModified%22%3A%222023-02-17T22%3A54%3A29Z%22%7D%7D%5D%7D
Balwada, D. (2016). Circulation and stirring by ocean turbulence [Florida State University]. https://search.proquest.com/docview/1873071192?accountid=14524
Billheimer, S. (2016). Annual and interannual evolution of Eighteen Degree Water and oxygen in the western North Atlantic [University of California, San Diego]. https://search.proquest.com/docview/1868504088?accountid=14524
Bushinsky, S. M. (2016). Improved estimates of air-sea oxygen fluxes and biological carbon export through the use of self-calibrating Argo oxygen floats in the Pacific [University of Washington]. http://hdl.handle.net/1773/35282
Callies, J. (2016). Submesoscale turbulence in the upper ocean. http://hdl.handle.net/1721.1/103253
Carranza, M. M. (2016). On the role of atmospheric forcing on upper ocean physics in the Southern Ocean and biological impacts [Universityof California, San Diego]. https://search.proquest.com/docview/1868502339?accountid=14524
Chandanpurkar, H. A. (2016). Global Continental Discharge and its Effects on Ocean and Climate (1832039173) [Ph.D., University of California, Irvine]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. https://www.proquest.com/dissertations-theses/global-continental-discharge-effects-on-ocean/docview/1832039173/se-2?accountid=14524
D’Addezio, J. M. (2016). Utilization of satellite-derived salinity to study Indian Ocean climate variability [University of South Carolina]. http://search.proquest.com/docview/1831442949?accountid=14524
Evans, D. G. (2016). Heating and Cooling or Ebbing and Flowing? Oceanic Change from a Thermohaline Perspective [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/403352
Feucher, C. (2016). Stratification structure in subtropical gyres and its decadal variability in the North Atlantic Ocean [Universitede Bretagne Occidentale]. http://archimer.ifremer.fr/doc/00366/47675/
Fleming, N. E. (2016). Seasonal and spatial variability in temperature, salinity and circulation of the middle Atlantic bight [Rutgers]. https://search.proquest.com/docview/1877537500?accountid=14524
Gannon, R. S. (2016). Novel Geochemical Archives of Tropical Indian Ocean Thermocline Variability on Interannual and Millenial Timescales [University of California, San Diego]. https://search.proquest.com/docview/1775745649?accountid=14524
Germineaud, C. (2016). Circulation océanique et variabilité en mer des Salomon [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3587/
Gong, Y. (2016). Impacts of Eddies, Topography, and Topographic Rossby Waves on North Brazil Deep Current Variability: an Observation and Modeling Synthesis Study [North Carolina State University]. https://search.proquest.com/docview/1880348476?accountid=14524
Gravelle, A. (2016). Vertical mixing and interannual variability of primary production in the North Atlantic [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/404273
Hackert, E. (2016). The role of Indian Ocean sector and sea surface salinity for predictions of the coupled Indo-Pacific System [University of Maryland]. http://search.proquest.com/docview/1826320974?accountid=14524
Hennon, T. D. (2016). Global Observations of Physical and Biogeochemical Processes in the Ocean [University of Washington]. http://search.proquest.com/docview/1832941828?accountid=14524
Hsieh, P.-Y. (2016). Deconvolution of the Labrador Sea Transit-Time Distribution from Combined Measurements of CFC-11 and CFC-12 [University of California, Irvine]. http://search.proquest.com/docview/1794656570?accountid=14524
Joyce, T. W. (2016). Foraging ecology, biogeography, and population biology of seabird and toothed whale predators in the Anthropocene [University of California, San Diego]. https://search.proquest.com/docview/1842624252?accountid=14524
Katsura, S. (2016). Structure and Variability of Surface Layer Salinity in the Subtropical Pacific. Tokyo University.
Kidwell, A. (2016). A multi-scale study of the dynamical processes of the tropical Pacific Ocean [University of Delaware]. https://search.proquest.com/docview/1823269723?accountid=14524
Kulaiappan Palanisamy, H. (2016). Present day sea level: global and regional variations [Universite de Toulouse]. http://www.theses.fr/2016TOU30166/document
Lacour, L. (2016). Dynamique des blooms phytoplanctoniques dans le gyre subpolaire de l’Atlantique Nord [Université Pierre et Marie Curie - Paris VI]. Star Cnrs Theses-upmc Gip-be Insu Upmc. https://tel.archives-ouvertes.fr/tel-01595954
Lehman, J. S. (2016). Planetary Sea: Oceanography and the Making of the World Ocean [University of Minnesota]. https://search.proquest.com/docview/1836797972?accountid=14524
Marnela, M. (2016). Transports and water masses in the Fram Strait and its vicinity from three decades of hydrographic observations in 1980 - 2010 [University of Helsinki]. http://hdl.handle.net/10138/166181
Mayot, N. (2016). Phytoplankton seasonality in the Mediterranean Sea. Unversite Pierre et Marie Curie - Paris VI.
Merrifield, S. T. (2016). Mechanisms for enhanced turbulence in the Drake Passage Region of the Southern Ocean [MIT]. http://hdl.handle.net/1721.1/104590
Palanisamy, H. K. (2016). Present day sea level: global and regional variations [Universite Toulouse III Paul Sabatier]. Cnrs Cnes Omp-tel Omp-legos-tel Univ-tlse3 Gip-be Insu. https://tel.archives-ouvertes.fr/tel-01317607
Picado, A. T. dos S. (2016). Influence of physical processes on the primary production along the Iberian Peninsula northwestern coast [University of Aveiro]. https://search.proquest.com/docview/2014462109?accountid=14524
Schulze, L. M. (2016). Freshwater fluxes and vertical mixing in the Labrador Sea [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/391105
Schütte, F. (2016). Characteristics and impact of mesoscale eddies in the eastern tropical North Atlantic [Christian-Albrechts-Universit ̈atzu Kiel]. https://macau.uni-kiel.de/receive/diss_mods_00019479
Shao, A. E. (2016). The response of thermocline ventilation to variability at the ocean surface from observations and offline tracer modeling [University of Washington]. http://search.proquest.com/docview/1778496950?accountid=14524
Snyder, S. (2016). Navigating a seascape: Physiological and environmental motivations behind juvenile North Pacific albacore movement patterns [University of California, San Diego]. https://search.proquest.com/docview/1828366093?accountid=14524
Sonnewald, M. (2016). Ocean model utility dependence on horizontal resolution [PhD, University of Southampton]. http://eprints.soton.ac.uk/id/eprint/397412
Waldman, R. (2016). Etude multi-échelle de la convection océanique profonde en mer Méditerranée : de l’observation à la modélisation climatique. http://thesesups.ups-tlse.fr/3546/
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Bosse, A. (2015). General circulation and physical-biogeochemical coupling at (sub-)mesoscale in the northwestern Mediterranean Sea from in situ data [Universite Pierre et Marie Curie]. http://www.theses.fr/2015PA066451/document
Brody, S. R. (2015). Physical Drivers of the Spring Phytoplankton Bloom in the Subpolar North Atlantic Ocean (1677408206) [Ph.D., Duke University]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1677408206?accountid=14524
Chen, H. (2015). Physical drivers of biogeochemical cycles in the North Atlantic Subtropical Gyre (1681668223) [Ph.D., The University of Wisconsin - Madison]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1681668223?accountid=14524
Clarke, J. (2015). Characterisation of pH and pCO2 optodes towards high resolution in situ ocean deployment [University of Southampton]. http://oatd.org/oatd/record?record=oai\:ethos.bl.uk\:675195&q=%28argo%29%20AND%20pub_dt%3A%5B2005-01-01T00%3A00%3A00Z%20TO%202016-01-01T00%3A00%3A00Z%5D
Closset, I. (2015). The biogeochemical silicon cycle in the Southern Ocean tracked by isotopic approaches [Universite Pierre et Marie Curie]. https://tel.archives-ouvertes.fr/tel-01182436
Damien, P. (2015). Etude de la circulation oceanique en Mediterranee Occidentale a l’aide d’un modele numerique a haute resolution: influence de la submesoechelle [Universite Toulouse III]. http://thesesups.ups-tlse.fr/2682/
Feng, J. (2015). ENSO Variability in a Changing Climate [Florida State University]. http://diginole.lib.fsu.edu/etd/9330
Hennon, G. M. M. (2015). Uncovering Mechanisms of Phytoplankton Response to Climate Change [University of Washington]. http://hdl.handle.net/1773/35281
Kessouri, F. (2015). Cycles biogéochimiques de la mer Méditerranée : processus et bilans [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3334/
Kil, B. (2015). Improved monitoring of the Changjiang River plume in the East China Sea during the monsoon season using satellite borne L-band radiometers [The University of Southern Mississippi]. https://search.proquest.com/docview/1675438929?accountid=14524
Kilbourne, B. F. (2015). On the topic of oceanic variability near the Coriolis frequency; generation mechanisms, observations, and implications for interior mixing [University of Washington]. http://hdl.handle.net/1773/34108
McKinnon, K. A. (2015). Understanding and predicting temperature variability in the observational record [Harvard University]. https://search.proquest.com/docview/1751287180?accountid=14524
Metref, S. (2015). Assimilation de donnees pour les problemes non-Gaussiens: methodologie et applications a la biogeochimie marine [Universite Grenoble Alpes]. https://tel.archives-ouvertes.fr/tel-01308288
Mielke, C. L. (2015). The North Atlantic Deep Western Boundary Current : seasonal cycle, decadal variability and relation to the Atlantic Meridional Overturning Circulation [PhD, Staats- und Universitätsbibliothek Hamburg]. http://ediss.sub.uni-hamburg.de/volltexte/2015/7189
Ninove, F. (2015). Contribution of Argo data to characterize model errors and data assimilation systems. http://www.theses.fr/2015TOU30230/document
Oziel, L. (2015). Variabilite de la mer de Barents et son impact sur le phytoplancton [Universite Pierre et Marie Curie]. https://tel.archives-ouvertes.fr/tel-01309807
Pasqueron de Fommervault, O. (2015). Nutrients dynamics in the Mediterranean Sea: from oceanographic cruises to Bio-Argo floats [Laboratoire d’oceanographie de Villefranche]. http://www.theses.fr/2015PA066471
Pegliasco, C. (2015). Structure verticale des tourbillons de mésoéchelle dans les quatre grands systèmes d’upwelling de bord est. http://www.theses.fr/2015TOU30331/document
Pelland, N. A. (2015). Eddy Circulation, Heat and Salt Balances, and Ocean Metabolism: Observations from a Seaglider-Mooring Array at Ocean Station Papa (1760619396) [Ph.D., University of Washington]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1760619396?accountid=14524
Piron, A. (2015). Observation de la convection profonde en mer d’Irminger avec les donnees Argo. Universite de Bretagne Occidentale.
Planton, Y. (2015). Sources de la variabilité interannuelle de la langue d’eau froide Atlantique [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3259/
Sauzède, R. (2015). Study and parameterization of the vertical distribution of phytoplankton biomass in the global ocean [Université Pierre et Marie Curie - Paris VI]. Star Cnrs Upmc Theses-upmc Gip-be Insu. https://tel.archives-ouvertes.fr/tel-01342441
Tzortzi, E. (2015). Sea surface salinity in the Atlantic ocean from the SMOS mission and its relation to freshwater fluxes [University of Southampton]. http://eprints.soton.ac.uk/377301/
Umbert Ceresuela, M. (2015). Exploiting the multiscale synergy among ocean variables: application to the improvement of remote sensing salinity maps [Universitat Politecnica de Catalunya BarcelonaTech]. http://www.tdx.cat/handle/10803/321115
Valiya Parambil, A. (2015). Remote sensing and numerical modeling of the oceanic mixed layer salinity in the Bay of Bengal [Universite de Toulouse III]. http://thesesups.ups-tlse.fr/3096/
Vasconcellos de Menezes, V. (2015). The structure and dynamics of the eastward flows of the South Indian Ocean [University of Tasmania]. http://eprints.utas.edu.au/23392/
Whalen, C. B. (2015). Illuminating Spatial and Temporal Patterns of Ocean Mixing as Inferred from Argo Profiling Floats (1748052485) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1748052485?accountid=14524
Wu, X. (2015). Possible global surface warming “hiatus” and regional climate response: From a perspective of ocean heat content [University of Delaware]. http://search.proquest.com/docview/1767224361?accountid=14524
Zhang, J. (2015). Variability of Large-scale Ocean Circulation and Meridional Heat Transport in the Atlantic Ocean [University of Washington]. http://hdl.handle.net/1773/34107
Zhang, W. (2015). Numerical study and remote sensing of the convection, restratification and mesoscale processes in the Labrador Sea and their implications on the subpolar North Atlantic warming [University of Delaware]. http://search.proquest.com/docview/1767224377?accountid=14524
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20in%20contrast%20to%20Ivan%2C%20coupling%20did%20not%20provide%20an%20increase%20in%20predictability%20of%20TC%20intensity%2C%20most%20likely%20due%20to%20the%20speed%20of%20the%20storm.%20But%20the%20coupling%20was%20significant%20to%20provide%20accurate%20wave%20simulations.%20In%20the%20fourth%20chapter%2C%20Hurricane%20Irene%20%282011%29%20is%20used%20as%20the%20experimental%20case.%20In%20this%20section%2C%20we%20demonstrate%20model%20performance%20through%20forecast%20%28rather%20than%20hindcast%29%20in%20predicting%20Irene%27s%20two%20impacts%20along%20the%20United%20States%20east%20coast.%20As%20in%20previous%20chapters%2C%20comparisons%20to%20strength%20and%20intensity%20will%20be%20performed.%20With%20Irene%2C%20the%20emphasis%20is%20shifted%20towards%20precipitation%20impacts%2C%20before%2C%20during%2C%20and%20after%20landfall.%20Precipitation%20analysis%20will%20be%20conducted%20using%20remotely%20observed%20variables%20of%20precipitation%20rate%20and%20intensity.%20Precipitation%20flux%20into%20the%20ocean%20will%20be%20examined%20in%20order%20to%20determine%20the%20impact%20on%20a%20salinity%20budget%20in%20the%20upper-ocean.%20Salinity%20cross-sections%20show%20the%20precipitation%20signature%20as%20the%20storm%20moves%20along%20the%20coast%2C%20which%20rapidly%20disappears%20under%20heavy%20wind.%20As%20in%20previous%20cases%2C%20comparison%20to%20ocean%20and%20wave%20environments%20is%20completed%20using%20multiple%20in%20sit%20u%20data%20sources%20of%2010%20m%20wind%2C%20SLP%2C%20SST%2C%20and%20significant%20wave%20height.%20The%20final%20chapter%20serves%20to%20review%20the%20discussions%20of%20the%20previous%20chapters%20and%20seeks%20to%20provide%20a%20platform%20for%20future%20research.%20The%20utility%20of%20coupled%20numerical%20modeling%20is%20reiterated%20and%20the%20success%20of%20the%20study%20highlighted%20that%20showed%20coupling%20to%20the%20ocean%20was%20significant%20in%20regions%20of%20high%20heat%20content%20and%20deep%20mixed%20layer%20depth%20but%20coupling%20to%20a%20wave%20model%20was%20more%20important%20for%20faster%20moving%20TCs.%20Prediction%20of%20rainfall%20was%20improved%20when%20coupling%20to%20an%20ocean%20model%20versus%20without%20coupling.%20Significant%20improvement%20of%20the%20initial%20condition%20in%20hindcast%20and%20forecast%20will%20be%20sought%20in%20future%20research.%20In%20addition%2C%20several%20questions%20remain%20in%20improving%20and%20examining%20the%20coupled%20numerical%20solution%20of%20a%20tropical%20cyclone.%20Some%20of%20these%20questions%20require%20datasets%20that%20examine%20air-sea%20interactions%20in%20environments%20of%20intense%20TCs%20where%20minimal%20data%20currently%20exists.%20In%20addition%2C%20existing%20parameterizations%20have%20not%20been%20thoroughly%20tested%20in%20extreme%20wind%20regimes.%22%2C%22thesisType%22%3A%22Ph.D.%22%2C%22university%22%3A%22North%20Carolina%20State%20University%22%2C%22date%22%3A%222014%22%2C%22language%22%3A%22English%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fsearch.proquest.com%5C%2Fdocview%5C%2F1660509595%3Faccountid%3D14524%22%2C%22collections%22%3A%5B%22X375UNI9%22%5D%2C%22dateModified%22%3A%222023-02-17T22%3A54%3A31Z%22%7D%7D%5D%7D
Bardin, A. M. (2014). Novel Analysis Tools for Ocean Biogeochemical Models (1629446143) [Ph.D., University of California, Irvine]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1629446143?accountid=14524
Bent, J. D. (2014). Airborne Oxygen Measurements over the Southern Ocean as an Integrated Constraint of Seasonal Biogeochemical Processes (1639652638) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California. http://search.proquest.com/docview/1639652638?accountid=14524
Bittig, H. C. (2014). Towards a Quantum Leap in Oceanic Oxygen Observation - From Oxygen Optode Characterization to Autonomous Observation of Gas Exchange and Net Community Production. Christian Albrecht University.
Cole, H. S. (2014). The natural variability and climate change response in phytoplankton phenology [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/362006
Djath, B. (2014). Etude de la dynamique oceanique de la mer des Salomon: modelisation numerique a haute resolution. https://tel.archives-ouvertes.fr/tel-01069989
Fan, X. (2014). Anticyclones in the Irminger Sea (1652561008) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1652561008?accountid=14524
Feng, W. (2014). Variations régionales de stockage d’eau terrestre et de niveau de la mer détectées par gravimétrie spatiale [Universite Toulouse III]. http://thesesups.ups-tlse.fr/2740/
Giglio, D. (2014). Large-scale ocean circulation, dynamics, and air-sea exchanges: Argo observations of the mean and time-varying ocean (1649212549) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1649212549?accountid=14524
Gomez-Navarro, L. (2014). Validation of a numerical simulation of the North Atlantic Ocean with Argo data. http://hdl.handle.net/10553/11924
Graham, R. M. (2014). The role of the Southern Ocean fronts in the global climate system [Stockholm University]. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-108736
Gray, A. R. (2014). Large-scale Ocean Circulation Observed from Autonomous Profiling Floats (1652865764) [Ph.D., University of Washington]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1652865764?accountid=14524
Hopkins, J. (2014). A satellite perspective on global blooms of coccolithophores [Unviersity of Southampton]. http://eprints.soton.ac.uk/id/eprint/374825
Hughes, C. D. (2014). Continuous improvement of ocean forecasts with underwater gliders [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/378968
Jiang, Z.-P. (2014). Variability and control of the surface ocean carbonate system observed from ships of opportunity [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/361858
Kavvada, A. (2014). Atlantic Multidecadal Variability: Surface and Subsurface Thermohaline Structure and Hydroclimate Impacts [University of Maryland]. https://doi.org/10.13016/M2FS5H
Kerry, C. G. (2014). Predictability in a region of strong internal tides and dynamic mesoscale circulation: The Philippine Sea (1611735810) [Ph.D., University of Hawai’i at Manoa]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1611735810?accountid=14524
Li, F. (2014). A study of deep ocean convection and the sea level variability in the North Atlantic (1564746923) [Ph.D., University of Delaware]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1564746923?accountid=14524
Llanillo del Rio, P. J. (2014). Water mass variability in teh eastern South Pacific and the ventilation of the oxygen minimum zone [Universitat Politecnica de Catalunya]. http://hdl.handle.net/10803/284199
McCaffrey, K. (2014). Characterizing Ocean Turbulence from Argo, Acoustic Doppler, and Simulation Data (1615100474) [Ph.D., University of Colorado at Boulder]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1615100474?accountid=14524
Pabortsava, K. (2014). Downward particle export and sequestration fluxes in the oligotrophic Atlantic Ocean [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/372493
Palmieri, J. (2014). Modelisation biogeochimique de la mer Mediterranee avec le modele regional couple NEMO-MED12/PISCES [Universite de Versailles-Saint Quentin en Yvelines]. https://tel.archives-ouvertes.fr/tel-01221529
Rosell-Fieschi, M. (2014). Ocean velocities as inferred from Argo floats: methodology and applications [Unveristat Politecnica de Catalunya]. http://hdl.handle.net/10803/277383
Schlundt, M. (2014). Mixed layer heat and salinity variability in the equatorial Atlantic [DER CHRISTIAN-ALBRECHTS-UNIVERSITÄT ZU KIEl]. https://macau.uni-kiel.de/receive/diss_mods_00014847
Severin, T. (2014). Regulation des cycles biogeochimiques par les communautes microbiennes pelagiques sous influence de perturbations physiques a meso-echelle [Universite Pierre et Marie Curie]. https://tel.archives-ouvertes.fr/tel-01127496
Takeshita, Y. (2014). Chemical Sensor Development in Oceanography (1619648430) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California; ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1619648430?accountid=14524
Zambon, J. B. (2014). Air-Sea Interaction During Landfalling Tropical and Extra-Tropical Cyclones (1660509595) [Ph.D., North Carolina State University]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1660509595?accountid=14524
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Alraddadi, T. M. (2013). Temporal changes in the Red Sea Circulation and associated water masses [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/355542
Behrens, E. (2013). The oceanic response to Greenland melting: the effect of increasing model resolution. https://macau.uni-kiel.de/receive/diss_mods_00013684
Bosler, P. A. (2013). Particle Methods for Geophysical Flow on the Sphere [University of Michigan]. http://search.proquest.com/docview/1443876121?accountid=14524
Buckingham, C. E. (2013). Ubiquitous zonal bands in subtropical oceans observed from space [University of Rhode Island]. http://search.proquest.com/docview/1418292632?accountid=14524
Chen, R. (2013). Energy pathways and structures of oceanic eddies from the ECCO2 State Estimate and Simplified Models [Massachusetts Institute of Technology, Woods Hole Oceanographic Institution]. http://hdl.handle.net/1721.1/79154
Da-Allada, C. Y. (2013). Mixed-layer salinity in the tropical Atlantic Ocean : seasonal and interannual variability [Universite Paul Sabatier]. http://tel.archives-ouvertes.fr/tel-00925720/
Evans, G. R. (2013). A study of the South Atlantic Ocean: Circulation and Carbon Variability [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/359128
Fiedler, B. (2013). CO2 and O2 Dynamics and Ocean-Atmosphere Fluxes in the Eastern Tropical North Atlantic. https://macau.uni-kiel.de/receive/diss_mods_00011936
Gaube, P. (2013). Satellite Observations of the Influence of Mesoscale Ocean Eddies on Near-Surface Temperature, Phytoplankton and Surface Stress [Oregon State University]. http://search.proquest.com/docview/1315743860?accountid=14524
Guihou, K. (2013). Study of the Northern Current dynamics in the Toulon region, using modelling, in-situ observations and satellite data [Universite de Toulon]. http://www.theses.fr/2013TOUL0004/document https://tel.archives-ouvertes.fr/tel-00917904
Hasson, A. (2013). Etude diagnostique de la variabilite de la salinite de surface de l’Ocean Pacifique. Apport des donnees SMOS [Universite Toulouse III]. http://thesesups.ups-tlse.fr/2645/1/2013TOU30355.pdf
Huang, Z. (2013). The Role of Glacial Isostatic Adjustment (GIA) Process On the Determination of Present-Day Sea-Level Rise [The Ohio State University]. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366334435
Jullien, S. (2013). Interactions ocean-atmosphere au sein des cyclones tropicaux du pacifique sud : processus et climatologie [Sciences de l’Univers, de l’environnement et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/2146/
Latarius, K. (2013). Uber die Wassermassentransformation im Europaischen Nordmeer - Prozess-Studien und Budgets [Universitat Hamburg]. http://ediss.sub.uni-hamburg.de/volltexte/2013/6088/
Lockwood, D. E. (2013). Impact of the marine biological pump on atmospheric CO2 uptake in the North Pacific: a study based on basin-wide underway measurements of oxygen/argon gas ratios and pCO2 [University of Washington]. http://hdl.handle.net/1773/23766
Macdonald, H. S. (2013). numerical Modelling of Mesoscale Eddies in the Tasman Sea. University of New South Wales, Sydney.
Mulet, S. (2013). Apport de la mission gravimetrique GOCE pour l’analyse de la circulation oceanique. l’Universite Toulouse.
Qian, H. (2013). Ocean Circulation Dynamics and Transport Connectivity in the Intra-Americas Sea on Inter-annual, Seasonal, Synoptic and Inertial Time Scales [North Carolina State University]. http://www.lib.ncsu.edu/resolver/1840.16/9143
Sudre, J. (2013). Circulation submésoéchelle et comportements des prédateurs marins supérieurs : apport de l’analyse multi-échelles et multi-capteurs [Universite Toulouse III]. http://thesesups.ups-tlse.fr/3090/
Sun, Y. (2013). The Study on Upper Ocean Responses to Typhoon Cimaron and Eddy Heat Flux in the South China Sea (1513241455) [Ph.D., The Chinese University of Hong Kong (Hong Kong)]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1513241455?accountid=14524
Taws, S. L. (2013). Seasonal Re-emergence of Sea Surface Temperature Anomalies in the North Atlantic: An Observational and Ocean Model Study [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/359069
Todd, A. C. (2013). Circulation Dynamics and Larval Transport Mechanisms in The Florida Big Bend [Florida State University]. http://diginole.lib.fsu.edu/etd/7630
Torres, P., R. Ricardo. (2013). Sea-level variability in the Caribbean Sea over the last century [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/367215
Woodham, R. H. (2013). Predicting the oceanic mesoscale dynamics in the Australian region. University of New South Wales, Sydney.
Wortham, C. J. L. I. (2013). A multi-dimensional spectral description of ocean variability with applications [Massachusetts Institute of Technology, Woods Hole Oceanographic Institution]. http://hdl.handle.net/1721.1/79296
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Abernathey, R. (2012). Mixing by ocean eddies [Massachusetts Institute of Technology]. http://hdl.handle.net/1721.1/70772
Bishop, S. (2012). The role of eddy fluxes in the Kuroshio Extension at 144 degrees - 148 degrees E [University of Rhode Island]. http://search.proquest.com/docview/1069337205?accountid=14524
Castellanos Ossa, P. (2012). Wind-driven currents in the coastal and equatorial upwelling regions [Universitat Politècnica de Catalunya]. http://www.tdx.cat/handle/10803/119266
Dave, A. C. (2012). Physical Controls on Low and Mid-Latitude Marine Primary Productivity [Duke University]. http://search.proquest.com/docview/993164194?accountid=14524
Dong, J. (2012). Water mass exchange between the Weddell Gyre and the Antarctic Circumpolar Current [The Florida State University]. http://search.proquest.com/docview/1287786539?accountid=14524
Firing, Y. L. (2012). Structure and Dynamical Balance of the Antarctic Circumpolar Current in Drake Passage [University of California, San Diego]. http://search.proquest.com/docview/1269794836?accountid=14524
Freychet, N. (2012). Assimilation retrospective de donnees par lissage de rang reduit: application et evaluation dans l’Atlantique Tropical [Universite de Grenoble]. https://tel.archives-ouvertes.fr/tel-00683971
Gasparin, F. (2012). Caracteristiques des masses d’eau, transport de masse et variabilite de la circulation oceanique en mer de corail [Sciences de l’Univers, de l’environnement et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/1986/
Herbert, G. (2012). Modelisation et observation de la dynamique haute frequence de la circulation du golfe de Gascogne [Sciences de l’Univers, de l’environnement et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/1751/
Herrington, S. J. (2012). The Modelling of Mixotrophy in the Oligotrophic Atlantic [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/359061
Higginson, S. (2012). Mapping and understanding the mean surface circulation of the North Atlantic: Insights from new geodetic and oceanographic measurements [Dalhousie University]. http://hdl.handle.net/10222/14866
Hummels, R. (2012). On the variability of turbulent mixing within the upper layers of the Atlantic Cold Tongue region. https://macau.uni-kiel.de/receive/diss_mods_00008267
Kim, Y. S. (2012). Antarctic Circumpolar Current system and its response to atmospheric variability [Texas A&M University]. http://search.proquest.com/docview/1319941534?accountid=14524
Li, Y. (2012). Seasonal and Interannual Variability of the Gulf of Maine Coastal Circulation and its Couplings with Regional Harmful Algal Blooms [North Carolina State University]. http://search.proquest.com/docview/1346024944?accountid=14524
Meyssignac, B. (2012). La Variabilite Regionale du Niveau de la Mer [Universite Paul Sabatier - Toulouse III]. http://tel.archives-ouvertes.fr/tel-00779038
Nyadjro, E. S. (2012). Study on the basin scale salt exchange in the Indian Ocean using satellite observations and model simulations [University of South Carolina]. http://search.proquest.com/docview/1015626905?accountid=14524
Singh, A. (2012). Contrasting the flavors of ENSO and related trends in the tropical Pacific Ocean in recent decades [Sciences de l’Univers, de l’environnement et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/2504/
Subramanian, A. C. (2012). Multiscale Dynamics of Atmospheric and Oceanic Variability in the Climate System [University of California, San Diego]. http://search.proquest.com/docview/963748547?accountid=14524
Trenary, L. L. (2012). Characterization and causes of multi-timescale sea level and thermocline depth variability in the tropical southern Indian Ocean [University of Colorado at Boulder]. http://search.proquest.com/docview/1095127447?accountid=14524
Vervatis, V. (2012). The dynamics of the aegean-levantine seas and their climatic implications [National and Kapodistrain University of Athens]. http://hdl.handle.net/10442/hedi/28489
Vidal-Vijande, E. (2012). Analysis of Mediterranean ocean variability using five numerical simulations [Universidad de las Palmas de Gran Canaria]. https://sudocument.ulpgc.es/handle/10553/10040#
Wang, J.-W. (2012). Impact of Tropical Cyclones on the Ocean Heat Budget and Upper Ocean Dynamics in the Bay of Bengal during 1999 (1283378164) [Ph.D., University of Colorado at Boulder]. ProQuest Dissertations & Theses A&I. http://search.proquest.com/docview/1283378164?accountid=14524
Zhang, F. (2012). Benefits of Regional Ocean and Weather Forecast Systems: Evidence from the Australian East Coast. Australian Defence Force Academy.
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Atkinson, C. P. (2011). Variability of the Atlantic Meridional Overturning Circulation at 26N [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/338869
Balaguru, K. (2011). Barrier layers of the Atlantic warm pool: Formation mechanism and influence on weather and climate [Texas A&M University]. http://search.proquest.com/docview/885231410?accountid=14524
Bianchi, D. (2011). Processes controlling the distribution of biogeochemical tracers in the ocean [Princeton]. http://search.proquest.com/docview/907106469?accountid=14524
Chen, K. (2011). Middle Atlantic Bight Shelfbreak Circulation Dynamics and Biophysical Interactions [North Carolina State University]. http://search.proquest.com/docview/897935144?accountid=14524
Corre, L. (2011). Evolution recente des oceans tropicaux : le role de l’influence humaine [Sciences de l’Univers, de l’environment et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/1673/
Drushka, K. (2011). Ocean dynamics and thermodynamics in the tropical indo-pacific region [University of California, San Diego]. http://search.proquest.com/docview/858224970?accountid=14524
Dufour, C. (2011). Role des tourbillons oceaniques dans la variabilite recente des flux air-mer de CO2 dans l’ocean Austral [Universite de Grenoble]. https://tel.archives-ouvertes.fr/tel-00679918
Duncan, B. (2011). Impact of Atmospheric Intraseasonal Oscillations on Multi-Timescale Variability in the Upper Indian Ocean [University of Colorado at Boulder]. http://search.proquest.com/docview/916604584?accountid=14524
Durack, P. J. (2011). Global ocean salinity: A climate change diagnostic? [University of Tasmania]. http://eprints.utas.edu.au/11852/
Jaffres, J. B. D. (2011). The oceanographic and geochemical effects of mixed layer depth variability and increasing anthropogenic CO2 on the inorganic carbon system of the Coral Sea [James Cook University]. http://eprints.jcu.edu.au/26651/
Juza, M. (2011). Numerical modeling and observations of the global ocean [Sciences de l’Universe Grenoble]. WorldCatDissertations.
Kirkman, C. H., IV. (2011). The response of the Southern Ocean to Variable Wind Forcing and the Role of Sea Ice [University of Washington]. http://search.proquest.com/docview/937004574?accountid=14524
Kumar, B. (2011). Analysis of oceanic heat content in the Bay of Bengal [Indian Institute of Technology, Kharagpur]. http://search.proquest.com/docview/1025644802?accountid=14524
Lloyd, I. D. (2011). Extreme subseasonal tropical air-sea interactions and their relation to ocean thermal stratification [Princeton University]. http://search.proquest.com/docview/879743466?accountid=14524
Martin, P. (2011). Particle export and flux through the Mesopelagic in the high-latitude north and south Atlantic [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/209757
McCarthy, G. D. (2011). Variability of thermocline and intermediate waters in the South Atlantic [University of Southampton]. http://eprints.soton.ac.uk/359873/1/Variability%20of%20Thermocline%20and%20Intermediate%20Waters%20in%20the%20South%20Atlantic%20-%20G.%20D.%20McCarthy.pdf
Muhammed, I. (2011). The effect of large-scale interannual variations in the Gulf of Guinea [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/209795
Parampil, S. R. (2011). Observed Subseasonal Variability of Temperature and Salinity in the Tropical Indian Ocean. http://hdl.handle.net/2005/2040
Penny, S. G. (2011). Data assimilation of the global ocean using the 4D local ensemble transform kalman filter (4D-LETKF) and the modular ocean model (MOM2) [University of Maryland]. http://search.proquest.com/docview/881104142?accountid=14524
Pidcock, R. E. M. (2011). Quantifying the Role of Mesoscale-Driven Processes of Nitrate Supply Within an Iceland Basin Eddy Dipole [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/195303
Sil, S. (2011). High resolution Ocean state simulations in the Bay of Bengal using the Regional Ocean Modeling System (ROMS) [Indian Institute of Technology]. http://search.proquest.com/docview/1027924063?accountid=14524
Song, H. (2011). Sensitivity analysis, ocean state estimation and diagnostics in the California Current [University of California, San Diego]. http://search.proquest.com/docview/859569167?accountid=14524
Todd, R. E. (2011). Upper ocean processes observed by underwater gliders in the California Current System [University of California, San Diego]. http://search.proquest.com/docview/868189748?accountid=14524
Trossman, D. S. (2011). Advection-Diffusion Process Inference via Statistical Oceanographic Methods in the North Atlantic and Southern Oceans [University of Washington]. http://search.proquest.com/docview/888457900?accountid=14524
Wellner, M. (2011). Sea surface salinity variability in the Pacific Warm Pool : comparison of drifter measurements with Argo data and climatological values [University Dep. Geowiss. Hamburg]. WorldCatDissertaions.
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Bhaskar, T. V. S. U. (2010). Characterizing the surface layers of Arabian Sea using Argo profiling float data. http://hdl.handle.net/10603/8240
Bhatt, V. (2010). Modellingn Dynamics of the East Australian current and the subtropical mode water off East Coast of Australia. University of New South Wales, Sydney.
Borreguero, L. H. (2010). The Distribution, Circulation and Variability of Subantarctic Mode Water. University of Tasmania.
Boucharel, J. (2010). Modes de variabilite climatique dans l’ocean Pacifique tropical : quantification des non-linearites et role sur les changements de regimes climatiques [Sciences de l’Univers, de l’environnement et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/1663/
Brearly, J. A. (2010). Upper Ocean Transport Variability in the Subtropical North Atlantic [University of Southampton]. http://eprints.soton.ac.uk/191959/1/Brearley_2010_PhD.pdf
Carson, M. (2010). Multidecadal Variability and Trends in Upper Ocean Temperature [University of Washing]. http://search.proquest.com/docview/854051421?accountid=14524
de Boisseson, E. (2010). Les eaux modales du gyre subpolaire de l’Atlantique Nord : origine, formation et variabilite [l’Universite de Bretagne Occidentale]. http://archimer.ifremer.fr/doc/2010/these-7469.pdf
Dhomps, A. L. (2010). Amelioration des methodes de combinaison des donnees Argo et altimetrie pour le suivi des variations a long terme de l’ocean [l’Universite Toulouse]. http://thesesups.ups-tlse.fr/1299/
Dumousseaud, C. (2010). Physical and biological forcings on the carbonate chemistry in the North Atlantic Ocean [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/168949
Herraiz-Borreguero, L. (2010). The distribution, circulation and variability of subantarctic mode water. University of Tasmania, Hobart.
Holte, J. (2010). Subantarctic Mode Water formation: air-sea fluxes and cross-frontal exchange [University of California, San Diego]. http://search.proquest.com/docview/818753325?accountid=14524
Klocker, A. (2010). Diapycnal Advection by Nonlinear Processes in the Ocean. University of Tasmania.
Kollner, M. (2010). Monitoring der Gronlandsee-Hydrographie mit Hilfe autonomer prolierender Floats. Universitat Hamburg.
Lique, C. (2010). Etude des echanges entre l’Ocean Artcique et l’Atlantique Nord: Origine, variabilite et impact sur les mers Nordiques [Universite de Bretagne Occidentale]. http://tel.archives-ouvertes.fr/docs/00/53/63/10/PDF/these_final.pdf
Llovel, W. (2010). Hausse du niveau de la mer et impact du changement climatique global [Universite Paul Sabatier - Toulouse III]. http://tel.archives-ouvertes.fr/tel-00558287
McLean, L. M. (2010). The Determination of Ocean Correlation Scales Using Argo Float Data [University of Southampton]. http://eprints.soton.ac.uk/191939/1/McLean_2010_PhD.pdf
Nieblas, A. E. (2010). Impacts of Climate Change on Regional Primary and Fisheries Productivity in an Australian Upwelling System. University of Tasmania.
Richter, F. (2010). Nutzung von Argo-Driftern und Satellitenaltimetriedaten zur Ableitung der Zirkulation im Nordatlantik. http://elib.suub.uni-bremen.de/edocs/00101667-1.pdf
Rykova, T. (2010). Greenland current system in the Labrador Sea [Massachusetts Institute of Technology, Woods Hole Oceanographic Institution]. http://hdl.handle.net/1721.1/59755
Schaeffer, A. (2010). Wind impact on the circulation in the Gulf of Lion: high resolution modelisation [Universite du Sud Toulon Var]. https://tel.archives-ouvertes.fr/tel-00603720
Steinhoff, T. (2010). Carbon and nutrient fluxes in the North Atlantic Ocean [Christian-Albrechts-Universität zu Kiel]. https://macau.uni-kiel.de/receive/diss_mods_00005704
Sugiura, N. (2010). A research on data assimilation methods the estimation and the prediction of ocean variabilities on seasonal, interannual and decadal timescales. Kyoto University.
Talone, M. (2010). Contribution to the improvement of the soil moisture and ocean salinity (SMOS) sea surface salinity retrieval algorithm [Universitat Politecnica de Catalunya]. http://hdl.handle.net/10803/48633
Toyama, K. (2010). Three-dimensional structure of the North Pacific mode waters and central water viewed by Argo. Tohoku University.
Vage, K. (2010). Circulation and convection in the Irminger Sea [Massachusetts Institute of Technology, Woods Hole Oceanographic Institution]. http://hdl.handle.net/1721.1/58395
Vilchis, L. I. (2010). A retrospective study of ecosystem effects of the 1976/77 regime shift in the eastern Pacific warm pool [University of California, San Diego]. http://search.proquest.com/docview/748967543?accountid=14524
Volpe, G. (2010). A satellite view of the space-time variability of phytoplankton biomass in the Mediterranean Sea [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/168941
Wade, M. (2010). Caracterisation de la couche limite oceanique pendant les campagnes EGEE/AMMA dans l’Atlantique equatorial Est [Sciences de l’Univers, de l’environment et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/1342/
Zika, J. D. (2010). Quantifying the ocean mixing from hydrographic data. University of New South Wales, Sydney.
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Belmadani, A. (2009). Impact of climate change in the Humboldt Current System simulated by a regional ocean model [Sciences de l’Univers, de l’Environnement et de l’Espace (SDU2E)]. Sciences de l’Univers, de l’Environnement et de l’Espace (SDU2E)
Cho, K.-H. (2009). A numerical modeling study on barotropic and baroclinic responses of the Chesapeake Bay to hurricane events [The College of William and Mary]. http://search.proquest.com/docview/305029464?accountid=14524
Dencausse, G. (2009). Meso-scale frontal structure and Indian-Atlantic subtropical water exchange: use of sea surface height altimetric data [Universite de Bretagne Occidentale]. http://archimer.ifremer.fr/doc/00030/14091/11310.pdf
Faure, V. (2009). Deep circulation in the Eastern South Pacific Ocean [The Florida State University]. http://search.proquest.com/docview/304883383?accountid=14524
Frajka-Williams, E. (2009). The spring phytoplankton bloom and vertical velocities in the stratified and deep convecting Labrador Sea, as observed by Seagliders [University of Washington]. http://search.proquest.com/docview/305014666?accountid=14524
Getzlaff, K. (2009). Variability in the South Indian Ocean gyre circulation derived from Argo floats [University of Southampton]. http://eprints.soton.ac.uk/69047/1/Getzlaff_2009_PhD.pdf
Henocq, C. (2009). Préparation de l’étalonnage et de la validation des mesures de salinité SMOS : de l’influence de la stratification verticale de la salinité [l’Université Pierre et Marie Curie]. https://tel.archives-ouvertes.fr/tel-00471532
Hill, K. L. (2009). Wind Forced Changes and Variability in the East Australian Current. University of Tasmania.
Janout, M. A. (2009). Heat and freshwater controlling processes on the northern Gulf of Alaska shelf [University of Alaska Fairbanks]. http://search.proquest.com/docview/304842415?accountid=14524
Kohara, S. (2009). Temporal variations of intermediate ocean circulation and antarctic intermediate water in the south pacific.
Meijers, A. J. S. (2009). Observing the Four Dimensional Structure and Variability of the Southern Ocean using Satellite Altimetry. University of Tasmania.
Minvielle, M. (2009). Statistical-dynamical downscaling method applied to atmospheric forcings for the Atlantic Ocean modeling development, validation and application to present climate [Universite Toulouse III]. http://thesesups.ups-tlse.fr/1239/1/Minvielle_Marie.pdf
Muller-Michaelis, A. (2009). Regional Heat and Freshwater Balances of the Oceanic Surface Mixed Layer derived from Argo Float and Air-Sea Flux Data. Universitat Hamburg.
Sterling, J. T. (2009). Northern fur seal foraging behaviors, food webs, and interactions with oceanographic features in the eastern Bering Sea [University of Washington]. http://search.proquest.com/docview/305016289?accountid=14524
Swart, S. (2009). Transport and variability of the Antarctic Circumpolar Current south of Africa. University of Cape Town.
Zuo, H. (2009). Mechanisms of Subantarctic Mode Water re-emergence in a hybrid-coordinate global GCM [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/145063
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Barre, N. (2008). Variabilité de l’océan austral au Passage de Drake à partir de données in situ et satellitales. l’Université Pierre et Marie Curie.
Boehme, L. (2008). The frontal system of the Antarctic Circumpolar Current: marine mammals as ocean explorers [University of St. Andrews]. http://ethos.bl.uk/OrderDetails.do?did=18&uin=uk.bl.ethos.552200
Bosc, C. (2008). Variabilite du volume d’eau chaude et de la couche barriere de sel dans l’ocean Pacifique equatorial a l’echelle interannuelle (ENSO) [Universite Paul Sabatier - Toulouse III]. https://tel.archives-ouvertes.fr/tel-00444416
Daget, N. (2008). Estimation d’ensemble des parametres des covariances d’erreur d’ebauche dans un systeme d’assimilation variationnelle de donnees oceaniques [Sciences de l’Univers, de l’environnement et de l’espace (SDU2E)]. http://thesesups.ups-tlse.fr/251/
Friedrich, T. (2008). Dynamical interpolation of surface pCO2 between lines of observation in the North Atlantic Ocean [Christian-Albrechts-Universitat zu Kiel]. http://oatd.org/oatd/go?url=http%3A%2F%2Fmacau.uni-kiel.de%2Freceive%2Fdissertation_diss_00003392&from=results&q=argo
Helm, K. P. (2008). Decadal ocean water mass changes: Global observations and interpretation [University of Tasmania]. http://eprints.utas.edu.au/11575/
Jeffery, C. D. (2008). Diurnal wamring and convective CO2 exchange in the Tropical Atlantic [University of Southampton]. http://eprints.soton.ac.uk/id/eprint/63292
Le Hénaff, M. (2008). Evaluation objective de reseaux d’observation en domaine cotier par la modelisation d’ensemble [Universite Toulouse III - Paul Sabatier]. http://thesesups.ups-tlse.fr/318/
Legeais, J. F. (2008). South Atlantic western boundary circulation: lagrangian observations and hydrology [Universite de Bretagne Occidentale]. http://archimer.ifremer.fr/doc/2008/these-6177.pdf
Liu, H. (2008). Global Oceanic Mixed Layer Properties [University of Maryland]. http://hdl.handle.net/1903/9138
Mavume, A. F. (2008). Tropical cyclones in the Southwest Indian Ocean: Intensity changes, oceanic interactions and impacts [University of Cape Town]. http://hdl.handle.net/11180/812
Mazloff, M. R. (2008). The Southern Ocean meridional overturning circulation as diagnosed from an eddy permitting state estimate [Massachusetts Institute of Technology]. http://search.proquest.com/docview/304354902?accountid=14524
Ren, L. (2008). Observations of decadal-scale salinity changes in the North Pacific Ocean [University of Washington]. http://search.proquest.com/docview/304450490?accountid=14524
Schmidt, S. (2008). Upper Labrador Sea freshwater: seasonal to decadal variability [Christian-Albrechts-Universitat zu Kiel]. http://macau.uni-kiel.de/receive/dissertation_diss_00002876;jsessionid=A421C6375920A829864F70B3B94415CD?lang=en
Singhruck, P. (2008). Oceanic variability associated with the Madden-Julian oscillation [University of East Anglia]. http://ethos.bl.uk/OrderDetails.do?did=8&uin=uk.bl.ethos.504852
Sweet, W. V. (2008). Mechanisms of variability within the upper ocean of the Galapagos Archipelago [North Carolina State University]. http://search.proquest.com/docview/304534469?accountid=14524
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Aneesh, C. S. (2006). Data Assimilation Experiments Using an Indian Ocean General Circulation Model. http://hdl.handle.net/2005/358
Assenbaum, M. (2006). Etude de la Circulation Oceanique a Moyenne echelle a partir des Donnees Lagrangiennes sur la Zone des Campagnes POMME [Universite Paul Sabatier - Toulouse III]. http://tel.archives-ouvertes.fr/tel-00012200
Elipot, S. (2006). Spectral characterization of Ekman velocities in the Southern Ocean based on surface drifter trajectories (305338468) [Ph.D., University of California, San Diego]. Dissertations & Theses @ University of California. http://search.proquest.com/docview/305338468?accountid=14524
Gonzalez-Pola, C. (2006). Variabilidad climatica oceanica en la region sureste del golfo de Vizcaya. University of Oviedo.
Michel, S. (2006). Ocean surface salinity variability from a global mixed layer model [Universite Paris 7]. http://archimer.ifremer.fr/doc/00000/2302/
Parekh, A. (2006). Variability of surface parameters and related physical processes over the north Indian Ocean [Gujarat University]. http://search.proquest.com/docview/1735410734?accountid=14524
Perdana, A. P. (2006). Study of Sea Surface Temperature Based on Analysis of Remotely Sensed Data and Argo float data in the south of Java Island, Bali Island and Nusa Tenggara Archipelago. Gadjah Mada University.
Saito, H. (2006). Transition Region Mode Water of the North Pacific. Tohoku University.
Sen Gupta, A. (2006). Global ocean ventilation and Southern Hemisphere climate variablity using observations, oceanic, atmospheric and coupled climate models. University of New South Wales.
Sylvain, M. (2006). Variabilite de la salinite de surface d’apres un modele global de couche melangee oceanique [Universite Paris]. http://archimer.ifremer.fr/doc/2006/these-2302.pdf
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de Boyer Montegut, C. (2005). Couche mélangée océanique et bilan thermohalin de surface dans l’océan Indien Nord [l’Université Pierre et Marie Curie]. https://tel.archives-ouvertes.fr/tel-00011449
Forget, G. (2005). Profils Argo et assimilation 4DVAR pour le suivi climatique de l’océan Nord Atlantique [l’Université de Bretagne Occidentale]. http://www.theses.fr/2005BRES2005
Henson, S. A. (2005). Physical controls on spring bloom dynamics in the Irminger Basin, North Atlantic [University of Southampton]. http://search.proquest.com/docview/305344333?accountid=14524
Kieke, D. (2005). Water Mass Circulation and Variability in the Subpolar North Atlantic [Universitat Bremen]. http://elib.suub.uni-bremen.de/publications/dissertations/E-Diss1208_dkieke2005_diss.pdf
Lombard, A. (2005). Les variations actuelles du niveau de la mer : Observations et causes [Université Paul Sabatier - Toulouse III]. https://tel.archives-ouvertes.fr/tel-00079969
Oh, K. H. (2005). Assessment of profiles and intermediate to deep level circulation of the southern part of the East Sea from Argo floats [Cheju National University]. Korean AST member.
Saraceno, M. (2005). Fronts et circulation de surface dans l’Atlantique Sud Ouest [Universite Pierre et Marie Curie - Paris VI]. http://tel.archives-ouvertes.fr/tel-00011417
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Fraile-Nuez, E. (2004). Determinacion de la variabilidad estacional del transporte de masa, calor y agua dulce en la cuenca este del Giro Subtropical del Atlantico Norte mediante el uso de perfiladores lagrangianos. http://hdl.handle.net/10553/2085
Pun, I. F. (2004). Estimation of upper-ocean thermal structure in the Northwest Pacific Ocean by satellite remote sensing and its application to typhoon intensity change.
Sato, K. (2004). High salinity water and barrier layer in the North Pacific subtropical gyre. Tohoku University.
Willis, J. (2004). Combining Satellite and In Situe data to make improved estimates of upper-ocean thermal variability on eddy to global scales. University of California, San Diego.
11040291
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2002
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Guinehut, S. (2002). Vers une utilisation combinée des données altimétriques et des mesures des flotteurs profilants. Toulouse University.
Uehara, H. (2002). Heat transport across the PX-37/40 line in the North Pacific subtropical gyre. Tohoku University.