Show simple item record

contributor authorWirth, Volkmar
date accessioned2017-06-09T14:30:21Z
date available2017-06-09T14:30:21Z
date copyright1991/05/01
date issued1991
identifier issn0022-4928
identifier otherams-20529.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4156767
description abstractStationary planetary waves in the southern stratosphere display a characteristic seasonal cycle. Previous research based on a one-dimensional model suggests that this behavior is mainly determined by seasonally varying transmission properties of the atmosphere with respect to wave propagation. The issue is investigated with the help of a hemispheric, linear, quasi-geostrophic model. It reproduces well some of the observed qualitative features and is internally consistent in the sense that its seasonal wave cycle can be explained in terms of varying wave transmission properties of the mean circulation. On the other hand, the model does not yield the observed seasonal cycle. Despite considerable sensitivity to modifications in the basic-state wind and dissipation parameterization, the model could not be reasonably fit to reproduce the observed seasonal cycle. Possible reasons for the model deficiency are put forward. In summary, even though suggestive, the present study is not entirely conclusive about the degree to which the observed cycle is determined by wave transmission properties alone.
publisherAmerican Meteorological Society
titleWhat Causes the Seasonal Cycle of Stationary Waves in the Southern Stratosphere?
typeJournal Paper
journal volume48
journal issue9
journal titleJournal of the Atmospheric Sciences
identifier doi10.1175/1520-0469(1991)048<1194:WCTSCO>2.0.CO;2
journal fristpage1194
journal lastpage1200
treeJournal of the Atmospheric Sciences:;1991:;Volume( 048 ):;issue: 009
contenttypeFulltext


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record