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ƒMesure de l'ozone troposphérique à partir d'observations satellitaires dans le domaine de l'infrarouge

Abstract : Different forthcoming satellite missions will allow the global observation of several trace gases. The objective of this thesis was to evaluate the capabilities of an instrument measuring from space the thermal infrared radiation in a nadir viewing geometry for the measurement of tropospheric ozone.

This work was undertaken in the framework of the preparation of the IASI mission (Infrared Atmospheric Sounding Interferometer), for which the Service d'Aéronomie develops an operational algorithm for the retrieval of trace gases CO, CH4, and O3. IASI is due for launch in 2005, 2010 and 2015 on board the three successive european satellites METOP. An inversion algorithm was developed for ozone retrieval, as well as an error analysis module. The satellite data provided by the IMG instrument, present on board the satellite ADEOS (1996-1997), and the balloon data provided by LPMA/IASI (august 2002), were used to test our developments on real data and to validate the method. A first interpretation of the IMG/ADEOS global distributions of tropospheric ozone has been undertaken by comparing the different informations available on its production and transport.
These studies for IASI have been extended to the evaluation of the capacities of a similar instrument present on board a satellite in geostationary orbit for the observation of trace gases.
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Contributor : Solène Turquety <>
Submitted on : Wednesday, January 18, 2006 - 11:27:44 AM
Last modification on : Wednesday, December 9, 2020 - 3:11:28 PM
Long-term archiving on: : Saturday, April 3, 2010 - 9:30:50 PM


  • HAL Id : tel-00011409, version 1


Solène Turquety. ƒMesure de l'ozone troposphérique à partir d'observations satellitaires dans le domaine de l'infrarouge. Océan, Atmosphère. Université Pierre et Marie Curie - Paris VI, 2003. Français. ⟨tel-00011409⟩



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