Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/12557
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Type: Journal article
Title: The 4-day wave in the Antarctic mesosphere
Author: Lawrence, B.
Fraser, G.
Vincent, R.
Phillips, A.
Citation: Journal of Geophysical Research, 1995; 100(D9):18899-18908
Publisher: American Geophysical Union
Issue Date: 1995
ISSN: 0148-0227
Statement of
Responsibility: 
Bryan N. Lawrence, Grahame J. Fraser, Robert A. Vincent and Andre Phillips
Abstract: A zonal wave number one eastward propagating planetary wave observed in the high latitude winter stratosphere with a period near 4 days has been studied by a number of previous authors. Radar observations coupled with stratospheric analyses are here used to demonstrate that this wave, known as the 4-day wave, extends into the Antarctic upper mesosphere. Previous workers have asserted that the wave is a manifestation of the observation of warm pools rotating in the polar vortex, and that the pool seems to behave in a quasi-nondispersive manner. The observation of the 4-day wave in the upper mesosophere presented here appears to validate previous claims that the warm pools are being maintained by wavelike dynamics, rather than simple advection.
Rights: Copyright 1995 by the American Geophysical Union
RMID: 0030003947
DOI: 10.1029/95JD01168
Appears in Collections:Physics publications

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