Tracking pollutants from space: 10 years of IASI satellite observation.

Abstract : The IASI instrument is a Fourier Transform Spectrometer sounding the atmosphere using the thermal infrared spectral range from a polar orbiting satellite. It was designed by CNES (Centre National d’Etudes Spatiales) and launched by Eumetsat on the MetOp series of satellites. The mission has been providing global observations of the air composition with an excellent spatial resolution, twice a day since 2007 (MetOp-A) and 4 times per day since 2012 (Metop-A and MetOp-B). From the atmospheric spectra recorded by the instrument, concentrations of several trace gases can be monitored, enhanced levels of pollution can be detected, and particle types can be determined to some extent. This paper recalls the historical context for the IASI remote sensor, reviews its capability to observe some key species for global and regional pollution monitoring, and reports on information services that benefit from the mission. On the longer term the continuity of the program is ensured with the IASI-NG mission that will extend the IASI observation for 15-20 more years.
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Contributor : Catherine Cardon <>
Submitted on : Tuesday, September 27, 2016 - 6:01:05 PM
Last modification on : Sunday, July 21, 2019 - 6:40:50 AM

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  • HAL Id : insu-01372908, version 1

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Cathy Clerbaux, Pierre-François Coheur, Sophie Bauduin, Anne Boynard, Lieven Clarisse, et al.. Tracking pollutants from space: 10 years of IASI satellite observation.. IGAC 2016 Science Conference (International Global Atmospheric Chemistry), Sep 2016, Breckenridge, United States. ⟨insu-01372908⟩

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