COAST-HF is an observing network along the French coasts including an ensemble of in situ moored platforms sampling at high frequency keys variables in coastal waters.
In-situ observations of sea surface salinity are collected, controlled and corrected in order to prepare high quality datasets well suited for climate studies or satellite validation. At present time the data are collected underway from research vessels, merchant ships, sailing boats and drifting buoys. This activity contributes to the SOERE-CTDO2 and CNES/TOSCA SMOS-OCEAN project. The delayed mode datasets produced join the GOSUD database.