Data access

The 3-D ISAS monthly fields are delivered in NetCdf format.

Monthly fields

ISAS products unique doi reference (to be cited):

Kolodziejczyk Nicolas, Prigent-Mazella Annaig, Gaillard Fabienne (2021). ISAS temperature and salinity gridded fields. SEANOE.


A climatology has been produced as the mean over the period 2004-2012. Temperature, salinity and mixed layer depth  can be found at the following DOI reference:

Fabienne Gaillard (2015). ISAS-13-CLIM temperature and salinity gridded climatology. Pôle Océan.

Near Real Time extension

Coriolis runs the ISAS tool in real time. Those fields can be used to extend the ISAS20 realanalysis toward the most recent periods.

Temperature and salinity fields from Near real Time analysis (2015-present) be accessed on CMEMS-Copernicus catalogue:


When using ISAS in publication, please acknowledge as following:

"ISAS temperature and salinity monthly gridded field products are made freely available by SNO Argo France at LOPS Laboratory (supported by UBO/CNRS/Ifremer/IRD) and IUEM Observatory (OSU IUEM/CNRS/INSU) at doi:"


Gaillard Fabienne, Reynaud Thierry, Thierry Virginie, Kolodziejczyk Nicolas, von Schuckmann Karina (2016). In-situ based reanalysis of the global ocean temperature and salinity with ISAS: variability of the heat content and steric height. Journal Of Climate, 29(4), 1305-1323. Publisher's official version : , Open Access version :