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The area of the stratospheric polar vortex as a diagnostic for tracer transport on an isentropic surfaceDaily isentropic distributions of Ertel potential vorticity, O3, water vapor, and HNO3 at the 850-K level of the Northern-Hemisphere stratosphere are determined on the basis of data from the Limb IR Monitor of the Stratosphere (Gille and Russell, 1984) on Nimbus 7 for the period October 25, 1978-April 2, 1979. The results are presented in graphs and maps and analyzed in detail. The surf-zone main-vortex structure identified by McIntyre and Palmer (1983 and 1984) is observed, superimposed on the seasonal patterns, with expansion of the surf zone and shrinking of the main vortex as the winter progresses. Irreversible mixing is found to be the dominant mechanism controlling the redistribution of all measured species except HNO3.
Document ID
19870024223
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Butchart, N.
(Washington, University Seattle, United States)
Remsberg, E. E.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 13, 2013
Publication Date
July 1, 1986
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 43
ISSN: 0022-4928
Subject Category
Geophysics
Accession Number
87A11497
Funding Number(s)
CONTRACT_GRANT: NAGW-662
Distribution Limits
Public
Copyright
Other

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