Minimize What is SMOS?
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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.

Minimize Latest Mission Operations News

Upcoming workshops about the SMOS mission

17 April 2014

ESA would like to make the SMOS user community aware of the following workshops:

  • Understanding the Carbon and Water Cycles using SMOS Data and Models
  • 2nd SMOS Science Conference

SMOS training course

17 April 2014

A SMOS training course will be organised by CESBIO. The course will be held at ESA-ESAC premises near Madrid (Spain) on 18-22 May 2015 and will precede the 2nd SMOS Science Conference.

SMOS Newsletter #7 now available

16 April 2014

The seventh issue of the SMOS newsletter is now available. The SMOS user community is invited to stay up-to-date with the latest news and activities of the SMOS mission in this periodic newsletter.

Minimize Latest Mission Results News
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What lies beneath?

09 January 2014

A field campaign dedicated to SMOS and GOCE has revealed unexpected similarities in the missions' very different types of measurements. This surprising discovery could lead to a better understanding of what is happening deep under the Antarctic ice sheet.

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SMOS sees triple superstorms

22 October 2013

ESA's versatile water mission tracked Asia's recent storms over land and sea.

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Looking to the future of Earth observation

13 September 2013

The Living Planet Symposium has come to a close in Edinburgh, and a week of talking about past, present and future satellite missions, as well as the scientific challenges facing us, has prepared Earth observation for a new chapter.

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Water mission versatility

12 September 2013

While ESA's SMOS satellite continues to provide key information on soil moisture and ocean salinity for a better understanding of the water cycle, Living Planet Symposium participants in Edinburgh today heard how the mission is also set to improve weather forecasts.