Retrieval of pressure and temperature from MIPAS-ENVISAT limb emission spectra

Thomas von Clarmann; A. Linden; Georg Echle; A. Wegner; Herbert Fischer; Manuel Lopez-Puertas

doi:10.1117/12.262490

20 December 1996 Retrieval of pressure and temperature from MIPAS-ENVISAT limb emission spectra

Thomas von Clarmann, A. Linden, Georg Echle, A. Wegner, Herbert Fischer, Manuel Lopez-Puertas

Proceedings Volume 2961, Satellite Remote Sensing and Modeling of Clouds and the Atmosphere; (1996) https://doi.org/10.1117/12.262490
Event: Satellite Remote Sensing III, 1996, Taormina, Italy

Abstract

The accurate knowledge of pressure and temperature profiles is a precondition for the retrieval of race gas profiles from limb emission measurements. A method was investigated which allows the pressure and temperature retrieval from limb emission spectra as expected to be measured by the MIPAS-ENVISAT instrument. Regardless which retrieval scheme will be used, the simultaneous retrievability of pressure and temperature depends largely on the proper selection of microwindows. Microwindows which contain a large amount of information on these target quantities while being insensitive to systematic errors are considered to be the most appropriate ones. A microwindow selection which minimizes the pressure temperature retrieval error has been carried out for the instrument specifications of MIPAS- ENVISAT. Errors under consideration were random noise, calibration uncertainties, and neglection of possible breakdown of thermodynamic equilibrium.

Citation Download Citation

Thomas von Clarmann, A. Linden, Georg Echle, A. Wegner, Herbert Fischer, and Manuel Lopez-Puertas "Retrieval of pressure and temperature from MIPAS-ENVISAT limb emission spectra", Proc. SPIE 2961, Satellite Remote Sensing and Modeling of Clouds and the Atmosphere, (20 December 1996); https://doi.org/10.1117/12.262490

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