Heidelberg 2006 – wissenschaftliches Programm

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UP: Umweltphysik

UP 15: Poster: Atmosph
äre und Klima

UP 15.10: Poster

Dienstag, 14. März 2006, 14:00–16:00, C

SCIAMACHY global cloud products — •Alexander Kokhanovsky, Vladimir Rozanov, Wolfgang Hoyningen-Huene, Marco Vountas, Wolfhardt Lotz, and John Burrows — Institute of Remote Sensing, University of Bremen, O. Hahn Allee 1, D-28334, Bremen, Germany

Global cloud top height spatial distribution as obtained using highly spectrally resolved SCIAMACHY on ENVISAT measurements in the oxygen A-band is presented. Also the global cloud phase index map is given. The results were derived using semi-analytical cloud retrieval algorithm developed by authors specifically for SCIAMACHY cloud retrievals. The algorithm is applicable for clouds having optical thickness larger than 5. Therefore, only thick cloud fields were selected for this study. We found that the global average cloud top height is close to 6km and the most frequent value of the phase index is close to 0.8.