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Synergetic use of SMOS L1 Data in Sun Flare detection and analysis (SMOS-FLARES)



The aim of the project is to develop a systematic retrieval of Sun Brightness Temperature in L-Band as measured by the SMOS Mission and analyse its correlation with measurements of solar flares currently used in Space Weather, as GOES X-ray flux.  The analysis will also focus on dedicated re-processing activities on selected dates with new Sun retrieval algorithms recently developed for the SMOS Mission, to assess the suitability of these new techniques and explore further evolutions.

The full set of available SMOS Mission Data will be used to perform a systematic timing analysis of Sun L-band brightness temperature measurements with soft X-ray flux at different channels from GOES during flare events. Complementary data sources, as the Stokes polarization parameters from SMOS/MIRAS, hard X-ray flux from HESSI or Extreme UV emission from Proba-2/Lyra will also be analysed for additional correlation insight. The analysis of the results will allow us to relate the relative timing of solar flares observed at different wavelengths to physical processes in flares. X-class flares are the initial objective, but M flare may be included in the sample.

The project will also issue recommendations (based on the findings of the analysis part) for the operational use of SMOS data as an asset to SWE monitoring and the possibility of continuing missions in this regard.

The Sun Brightness Temperature in L-Band data to be extracted in the scope of this project will be deployed in an online data portal which aims at providing the SWE community with a source of usable data for further analysis than the one performed in this contract.

The service will be based on an online portal that will contain SMOS Sun Brightness temperature data for the complete mission, additional reprocessing campaigns and ad-hoc processing data can also be accessed by the users of the service. The data shall be also accessible through dedicated web services, in order to be exposed to other existing systems.

The end users of the service would be able to access the Sun BT data by login in into the web portal and selecting the respective dates and processor version.

The service can be continuously improved in operation by providing feedback loops, where the quality of its data is compared to other Ground based sources.


Prime contractor