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Atmospheric CO2 retrievals from GOSAT TANSO-FTS data and status on related French activities

Abstract : We have set up a processing chain for the retrieval of the column averaged CO2 mixing ratio from TANSO-FTS data. This chain is including i) the download, selection, formatting and prescreening of NIES/JAXA HDF files, ii) a spectral calibration before the inversion step, iii) retrievals from O2 and CO2 spectral information (in bands B1 and B2, respectively) using the 4A-SWIR Radiative Transfer Model and the Optimal Estimation Method and iv) the post-screening of derived CO2 products. A selection of about 10 000 spectra covering 16 months from April 2009 to August 2010 was selected in coincidence with 6 stations of the TCCON network and over the Solar-Village station in Saudi Arabia. Comparison is done against TCCON measurements and L2 products of NIES, Leicester University and Netherlands Institute for Space Research. This validation results are encouraging, showing a good consistency between the various CO2 column estimates. Additional ongoing work within our RA project will be briefly discussed. The link with the French thematic data center Ether will be presented.
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Submitted on : Monday, January 6, 2014 - 12:55:37 PM
Last modification on : Wednesday, November 17, 2021 - 12:30:25 PM


  • HAL Id : hal-00924104, version 1


Claude Camy-Peyret, Jérôme Bureau, Sébastien Payen, Olivier Lezeaux, Julien Chimot, et al.. Atmospheric CO2 retrievals from GOSAT TANSO-FTS data and status on related French activities. The 5th GOSAT RA PI Meeting, May 2013, Yokohama, Japan. ⟨hal-00924104⟩



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