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Proceedings Paper

Karlsruhe optimized and precise radiative transfer algorithm: II. Interface to retrieval applications
Author(s): Michael Hoepfner; Gabriele P. Stiller; Martin Kuntz; Thomas von Clarmann; Georg Echle; Bernd Funke; Norbert Glatthor; Frank Hase; Holger Kemnitzer; Sabine Zorn
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Paper Abstract

The new Karlsruhe Optimized and Precise Radiative transfer algorithm (KOPRA) is a line-by-line model for use in retrieval processors for atmospheric observations. It simulates IR spectra by taking into account physical properties of the atmospheric observations. It simulates IR spectra by taking into account physical properties of the atmosphere and of the instrument. Besides spectrum calculation, KOPRA has the capability to determine the derivatives of the spectrum with respect to many retrieval parameters. Comparisons between analytical and numerical derivatives, which are generally within a few percent, demonstrate that approximates due to run time optimized implementations are small. Furthermore, a flexible scheme is presented for handling various parameterizations of atmospheric profiles as implemented in the code in order to support different retrieval approaches.

Paper Details

Date Published: 18 August 1998
PDF: 10 pages
Proc. SPIE 3501, Optical Remote Sensing of the Atmosphere and Clouds, (18 August 1998); doi: 10.1117/12.317753
Show Author Affiliations
Michael Hoepfner, Forschungszentrum Karlsruhe GmbH (Germany)
Gabriele P. Stiller, Forschungszentrum Karlsruhe GmbH (Germany)
Martin Kuntz, Forschungszentrum Karlsruhe GmbH (Germany)
Thomas von Clarmann, Forschungszentrum Karlsruhe GmbH (Germany)
Georg Echle, Forschungszentrum Karlsruhe GmbH (Germany)
Bernd Funke, Forschungszentrum Karlsruhe GmbH (Germany)
Norbert Glatthor, Forschungszentrum Karlsruhe GmbH (Germany)
Frank Hase, Forschungszentrum Karlsruhe GmbH (Germany)
Holger Kemnitzer, Forschungszentrum Karlsruhe GmbH (Germany)
Sabine Zorn, Forschungszentrum Karlsruhe GmbH (Germany)


Published in SPIE Proceedings Vol. 3501:
Optical Remote Sensing of the Atmosphere and Clouds
Jinxue Wang; Beiying Wu; Toshihiro Ogawa; Zheng-hua Guan, Editor(s)

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