This paper, led by Annie Wong, describes the Argo data stream and its quality control procedures from 1999 – 2019.  The changing vertical resolution and spatial coverage is documented along with accuracies of float data as compared to high quality shipboard measurements.  The paper carefully documents the main problems with the pressure and salinity sensors and includes information on pred-deployment sensor checks done by some Argo groups.  In short, it is a very comprehensive paper on the Argo data stream and will be a wonderful resource for the Argo community.

Click here to access the paper.

Here is the citation:

Wong, A. P. S., S. E. Wijffels, S. C. Riser, S. Pouliquen, S. Hosoda, D. Roemmich, et al, 2020: Argo Data 1999–2019: Two Million Temperature-Salinity Profiles and Subsurface Velocity Observations From a Global Array of Profiling Floats. Frontiers in Marine Science, 7, https://doi.org/10.3389/fmars.2020.00700