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  • News - Thematic area articles

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    Satellite data central to ocean monitoring

    Over 95% of Earth’s water is found in our oceans, and yet sadly, oceans are under stress from climate change and pollution. Monitoring our oceans is vital for Earth’s survival and satellites are the primary means of long-term and independent observation of our vast ocean bodies and their associated coastal zones.

  • Event - Workshop

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    Understanding the Carbon and Water Cycles using SMOS Data and Models

    The workshop aimed to bring together the EO, SMOS, Earth system science and modelling communities involved in the observation, characterisation and forecasting of land surface processes and their impacts.

  • Document - General Reference

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    SMOS Multimedia Book

    Learn more about ESA's SMOS mission in the interactive SMOS Multimedia Book.

  • Data - Data Description

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    SMOS Tropical Cyclone Wind Radii Fixes

    The SMOS WRF product is available in Near Real Time to support tropical cyclones (TC) forecasts. It is generated within 4 to 6 hours from sensing from the SMOS L2 swath wind speed products, in the so-called "Fix (F-deck)" format compatible with the US Navy's ATCF (Automated Tropical Cyclone Forecasting) System. The SMOS WRF "fixes" to the best-track forecasts contain: the SMOS 10-min maximum-sustained winds (in knots) and wind radii (in nautical miles) for the 34 kt (17 m/s), 50 kt (25 m/s) and 64 kt (33 m/s) winds per geographical storm quadrants, and for each SMOS pass intercepting a TC in all the active ocean basins.

  • Data - Data Description

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    SMOS NRT L2 Swath Wind Speed

    SMOS retrieved surface wind speed gridded maps (with a spatial sampling of 1/4 x 1/4 degrees) are available in NetCDF format. Each product contains parts of ascending and descending orbits and it is generated by Ifremer, starting from the SMOS L1B data products, in Near Real Time i.e. within 4 to 6 hours from sensing time. Before using this dataset, please check the read-me-first note available in the Resources section below.

  • Data - Data Description

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    SMOS L3 Daily Wind Speed

    SMOS L3WS products are daily composite maps of the collected SMOS L2 swath wind products for a specific day, provided with the same grid than the Level 2 wind data (SMOS L2WS NRT) but separated into ascending and descending passes. This product is available the day after sensing from Ifremer, in NetCDF format. Before using this dataset, please check the read-me-first note available in the Resources section below.

  • Mission - Earth Explorers

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    SMOS

    The Soil Moisture and Ocean Salinity (SMOS) mission is dedicated to making global observations of soil moisture over land and salinity over oceans.

  • Instrument - Interferometric Radiometers

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    MIRAS

    The MIRAS instrument is a passive microwave 2-D interferometric radiometer onboard the SMOS satellite.

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