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Zonal Asymmetries in Middle Atmospheric Ozone and Water Vapour Derived from Odin Satellite Data 2001–2010 : Volume 11, Issue 2 (04/02/2011)

By Gabriel, A.

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Book Id: WPLBN0003995866
Format Type: PDF Article :
File Size: Pages 32
Reproduction Date: 2015

Title: Zonal Asymmetries in Middle Atmospheric Ozone and Water Vapour Derived from Odin Satellite Data 2001–2010 : Volume 11, Issue 2 (04/02/2011)  
Author: Gabriel, A.
Volume: Vol. 11, Issue 2
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2011
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Lossow, S., Körnich, H., Murtagh, D., W. Peter, D. H., Gabriel, A., & Urban, J. (2011). Zonal Asymmetries in Middle Atmospheric Ozone and Water Vapour Derived from Odin Satellite Data 2001–2010 : Volume 11, Issue 2 (04/02/2011). Retrieved from http://community.ebooklibrary.org/


Description
Description: Leibniz-Institute for Atmospheric Physics of the University Rostock e.V., Schlossstr. 6, 18225 Kühlungsborn, Germany. Based on Odin satellite data 2001–2010 we investigate stationary wave patterns in middle atmospheric ozone (O3) and water vapour (H2O) as indicated by their seasonal long-term means of the zonally asymmetric components O3* = O3-[O3] and H2O* = H2O-[H2O] ([O3], [H2O]: zonal means). At mid- and polar latitudes of Northern and Southern Hemisphere, we find a pronounced wave one pattern in both constituents. In the Northern Hemisphere, the wave one patterns increase during autumn, maintain their strength during winter and decay during spring, with maximum amplitudes of about 10–20% of zonal mean values. During winter, the wave one in stratospheric O3* is characterized by a maximum over North Pacific/Aleutians and a minimum over North Atlantic/Northern Europe and by a double-peak structure with enhanced amplitude in the lower and in the upper stratosphere. The wave one in H2O* extends from lower stratosphere to upper mesosphere with a westward shift in phase with increasing height including a jump in phase at upper stratosphere altitudes. In the Southern Hemisphere, similar wave one patterns occur during southern spring when the polar vortex breaks down. Based on a simplified tracer transport approach we explain these wave patterns as a first-order result of zonal asymmetries in mean meridional transport by geostrophically balanced winds, which were derived from combined temperature profiles of Odin, and ECMWF (European Centre of Medium-Range Weather Forecasts) Reanalysis data (ERA Interim). Further influences which may contribute to the stationary wave patterns, e.g. eddy mixing processes or temperature-dependent chemistry, are discussed.

Summary
Zonal asymmetries in middle atmospheric ozone and water vapour derived from Odin satellite data 2001–2010

Excerpt
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