What is SMOS?
ESA's Soil Moisture Ocean Salinity (SMOS) Earth Explorer mission is a radio telescope in orbit, but pointing back to Earth not space. It's Microwave Imaging Radiometer using Aperture Synthesis (MIRAS) radiometer picks up faint microwave emissions from Earth's surface to map levels of land soil moisture and ocean salinity.
These are the key geophysical parameters, soil moisture for hydrology studies and salinity for enhanced understanding of ocean circulation, both vital for climate change models.
Latest Mission Operations News
The SMOS Level 2 Soil Moisture data available in NRT based on a neural network approach (Level-2 SM-NRT-NN product in netCDF format) are now available via EUMETCast, within four hours from sensing.
13 May 2016
ESA has created a User Satisfaction Survey which aims to help us to improve the services to all users of ESA Earth Observation, Copernicus Sentinel and Third Party Missions.
More than 600 participants have already provided their feedback during the recent Living Planet Symposium in Prague.
The survey, addressed to both scientific and commercial data users, will remain open until 31 May 2016.
22 March 2016
On 8 March 2016, ECMWF upgraded the integrated forecasting system (IFS). The new cycle, labelled 41r2 (previous cycle was labelled 41r1), includes a number of enhancements to the model, to the data assimilation and the increase of the horizontal resolution which is now about 9 km for the high-resolution (HRES) forecast and the data assimilation schema. For further details about this upgrade see the related ECMWF web-page.
Latest Mission Results News
The dedicated special issue on SMOS: ‘ESA's Soil Moisture and Ocean Salinity Mission - Achievements and Applications' in the Remote Sensing of Environment (RSE) journal volume 180 (2016) is now available on the Science Direct website.
29 January 2016
Ground measurements are essential for making sure that satellites deliver accurate information about our changing world. Although the Tibetan Plateau may not seem the obvious place to take such readings, this remote location is being used to check on ESA's SMOS satellite.
01 December 2015
ESA would like to inform the SMOS data user community about new experimental level 3 and level 4 sea surface salinity products over the Mediterranean Sea available from the SMOS Barcelona Expert Centre (SMOS-BEC, CP34).
30 September 2015
ESA's SMOS and two other satellites are together providing insight into how surface winds evolve under tropical storm clouds in the Pacific Ocean. This new information could help to predict extreme weather at sea.
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