New leaflet about the environmental impacts of Argo floats

This leaflet, created by the EuroArgo team, takes the Environmental Impact Statement crafted by S. Riser and S. Wijffels and uses graphics and simple wording to assess the impact of Argo floats by weighing the risk in relation to other human activities. There is a pdf version to be printed and folded, projected onto a screen or printed as a … Read More

Argo “Salty drift” Salinity Data Issue Notice 2021

Starting in 2015, an increased number of Sea-Bird conductivity cells used on Argo floats have drifted salty (https://argo.ucsd.edu/data/data-faq/#sbepsal).   The fraction of “salty drifters” has been correlated with particular CTD batches, with some percentages being greater than 50% by the end of their second year after deployment.  Sea-Bird Scientific has implemented a manufacturing change at the end of 2018, and … Read More

BGC-Argo technical coordinator position announcement

UNESCO – IOC Ocean Observations technical coordinator with two main responsibilities: Project Officer for the BGC-Argo mission Coordinator for the OceanOPS Mediterranean Regional Focus The incumbent will be based at Institut de la Mer de Villefranche, Sorbonne Université, Villefranche-sur-mer, France. Deadline for application: May 7, 2021 Click here for the announcement.

The Global Biogeochemical-Argo Fleet: Knowledge to Action Workshop

May 4, 11, 18, 25, and June 1 A virtual workshop building on the priorities of the G7 Future of the Seas and Oceans Initiative to explore the applications of a global data-stream from the Biogeochemical-Argo array in fisheries, carbon budget verification, and environmental forecasting. For more information, including a provisional agenda, click here.

Fast Salty Drifters documented by DMQC operators

The DMQC operators have filled in this Google spreadsheet with information on which floats have exhibited signs of Fast Salty Drift.  It has been set up to perform calculations and create plots automatically, so please follow the instructions.  There are several sheets to look at including some that pertain to just European floats and others that are international.

Updated Sea-Bird SBE41CP and SBE61 CTD Quality Concern

Please see this important announcement from Sea-Bird regarding SBE41CP and SBE61 CTDs in certain serial number ranges. There is a ‘do not deploy’ directive for the following: SBE 41CP and SBE41CP Deep:  10482-11252 SBE 61: 5669-5724

Apex pneumatic bladder issue

Dana Swift describes issues with the pneumatic system for APEX floats purchased in the 2018 – 2019 period. See the document for more details.