2005 | OriginalPaper | Chapter
Global Analysis of Stratospheric Gravity Wave Activity Using CHAMP Radio Occultation Temperatures
Authors : Christoph Jacobi, Madineni Venkat Ratnam, Gerd Tetzlaff
Published in: Earth Observation with CHAMP
Publisher: Springer Berlin Heidelberg
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Global analyses of E
p
as a proxy for gravity wave activity in the stratosphere obtained using GPS radio occultation (RO) data from the CHAMP satellite are presented. Large E
p
values are noticed at tropical latitudes, but also at midlatitudes during winter. A correspondence between tropical gravity wave activity and tropical deep convection is found. E
p
values are also large during the sudden stratospheric warming that occurred in the southern hemisphere during September–October 2002.