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2005 | OriginalPaper | Chapter

Atmospheric Profiling with CHAMP: Status of the Operational Data Analysis, Validation of the Recent Data Products and Future Prospects

Authors : Jens Wickert, Torsten Schmidt, Georg Beyerle, Grzegorz Michalak, Rolf König, Julia Kaschenz, Christoph Reigber

Published in: Earth Observation with CHAMP

Publisher: Springer Berlin Heidelberg

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Atmospheric sounding with the German CHAMP (CHAllenging Minisatellite Payload) satellite is successfully performed since February 2001. In total ∼145,000 precise globally distributed vertical profiles of refractivity, temperature and water vapor were provided as of April 2004. The operational occultation infrastructure from GFZ allows for the demonstration of Near-Real Time (NRT) data analysis since February 2003. An average delay of ∼5 hours between each measurement and provision of corresponding analysis results is continuously reached. A comparison with more than 10,000 radiosonde measurements shows nearly biasfree refractivity and temperature between ∼7 and ∼30 km. The standard deviation is ∼1 % and ∼2 K, respectively. Data of the SAC-C (Satelite de Aplicaciones Cientificas-C) occultation mission are used to prepare for multi-satellite capability of the operational data analysis system. Future prospects of the provision of occultation analysis results at GFZ are given.

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Metadata
Title
Atmospheric Profiling with CHAMP: Status of the Operational Data Analysis, Validation of the Recent Data Products and Future Prospects
Authors
Jens Wickert
Torsten Schmidt
Georg Beyerle
Grzegorz Michalak
Rolf König
Julia Kaschenz
Christoph Reigber
Copyright Year
2005
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/3-540-26800-6_78

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