SMOS Level 3 and Level 4 Research Products Provided by the Barcelona Expert Center

More than three years have passed since the launch, on November 2, 2009, of the European Space Agency’s (ESA) Soil Moisture and Ocean Salinity (SMOS) satellite carrying a microwave synthetic aperture radiometer working at 1.4 GHz. The aim of the mission is to provide Sea Surface Salinity and Soil Moisture observations, with a spatial resolution of 30-50 km, and an accuracy suited for climate studies.