Monitoring of atmospheric composition with IASI/MetOp Sounders : ULB/LATMOS data in open access via Ether website

Abstract : The IASI remote sensor flying onboard the MetOp-A and -B satellites has been providing twice daily observation of the atmospheric composition since the end of 2007. Global distributions of several reactive species are retrieved from IASI radiance spectra in near-realtime both at ULB and LATMOS, using dedicated radiative transfer models and retrieval schemes. Among the different algorithms set up, the FORLI software series provides vertical profiles for CO, O3, and HNO3, while alternative methods using brightness temperature differences or so-called “hyperspectral range indices” coupled with look-up tables allow retrieval of SO2, NH3 and VOCs columns. The FORLI software package is now implemented in the EUMETSAT operational processing chain, in the framework of the Ozone and Atmospheric Composition Satellite Application Facility (O3MSAF). CO products are now operationally distributed by EUMETCAST, and SO2, O3 and HNO3 should follow in 2016-2017. In this presentation, we will review the methods and the products available from our processing chains. Global scale distributions of CO, O3 profiles as well as SO2 and NH3 columns can be downloaded from the Ether (AERIS) website for further scientific analysis.
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Juliette Hadji-Lazaro, Cathy Boonne, Cathy Clerbaux, Maya George, Lieven Clarisse, et al.. Monitoring of atmospheric composition with IASI/MetOp Sounders : ULB/LATMOS data in open access via Ether website. 4th Infrared Atmospheric Sounding Interferometer International Conference (IASI 2016), Apr 2016, Antibes Juan-Les-Pins, France. ⟨insu-01306472⟩

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