Karlsruhe optimized and precise radiative transfer algorithm: II. Interface to retrieval applications

Michael Hoepfner; Gabriele P. Stiller; Martin Kuntz; Thomas von Clarmann; Georg Echle; Bernd Funke; Norbert Glatthor; Frank Hase; Holger Kemnitzer; Sabine Zorn

doi:10.1117/12.317753

18 August 1998 Karlsruhe optimized and precise radiative transfer algorithm: II. Interface to retrieval applications

Michael Hoepfner, Gabriele P. Stiller, Martin Kuntz, Thomas von Clarmann, Georg Echle, Bernd Funke, Norbert Glatthor, Frank Hase, Holger Kemnitzer, Sabine Zorn

Author Affiliations +

Proceedings Volume 3501, Optical Remote Sensing of the Atmosphere and Clouds; (1998) https://doi.org/10.1117/12.317753
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

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.

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Michael Hoepfner, Gabriele P. Stiller, Martin Kuntz, Thomas von Clarmann, Georg Echle, Bernd Funke, Norbert Glatthor, Frank Hase, Holger Kemnitzer, and Sabine Zorn "Karlsruhe optimized and precise radiative transfer algorithm: II. Interface to retrieval applications", Proc. SPIE 3501, Optical Remote Sensing of the Atmosphere and Clouds, (18 August 1998); https://doi.org/10.1117/12.317753

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