Grzegorski, Michael and Frankenberg, Christian and Platt, U. and Wenig, Mark and Fournier, Nicolas and Stammes, Piet and Wagner, Thomas (2005) Determination of Cloud Parameters from SCIAMACHY Data for the Correction of Tropospheric Trace Gases. In: Proceedings of the 2004 Envisat & ERS Symposium. 6-10 September 2004, Salzburg, Austria. ESA Special Publication. No.SP-572. European Space Agency , Art. No. 259.1. ISBN 92-9092-883-2. https://resolver.caltech.edu/CaltechAUTHORS:20150512-072430133
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Abstract
For the accurate retrieval of tropospheric trace gases from SCIAMACHY the availability of cloud parameters is crucial. In this paper we present a new algorithm for the retrieval of cloud fraction from SCIAMACHY data, the Heidelberg Iterative Cloud Retrieval Utilities (HICRU). The reliability of the results are proven through intercomparision with cloud fractions from the FRESCO algorithm and images from Meteosat. The new algorithm for SCIAMACHY is based on the already well validated HICRU algorithm developed for the retrieval of cloud fractions from GOME data. We use broad band spectrometers with high spatial resolution, the Polarization Monitoring Devices. The retrieval applies the widely used threshold method. Our sophisticated, iterative calculation of thresholds including image sequence analysis makes the algorithm also reliable in regions like deserts, which requires a very accurate set of thresholds.
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| Additional Information: | © 2005 European Space Agency. We are grateful to EUMETSAT for providing us with Meteosat images (www.eumetsat.de) as well as to TEMIS project for providing us with FRESCO data (www.temis.nl). | |||||||||
| Group: | UNSPECIFIED, Division of Geological and Planetary Sciences | |||||||||
| Subject Keywords: | HICRU; cloud fraction; SCIAMACHY, FRESCO | |||||||||
| Series Name: | ESA Special Publication | |||||||||
| Issue or Number: | SP-572 | |||||||||
| Record Number: | CaltechAUTHORS:20150512-072430133 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150512-072430133 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 57427 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 12 May 2015 18:10 | |||||||||
| Last Modified: | 03 Oct 2019 08:24 |
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