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Evidence for diabatic cooling and poleward transport within and around the 1987 Antarctic ozone holeAtmospheric dynamics at altitudes of 17.5-19 km were analyzed using measurements of N2O, total water, total odd-nitrogen species, and potential vorticity (derived from pressures, temperatures, and wind speeds) obtained aboard the ER-2 aircraft flown in the period between August 23 and September 22 during the Airborne Antarctic Ozone Experiment. Results indicated a consistent gradual poleward movement of air, extending from about 10 deg in latitude outside the boundary of the ozone hole to about 5 deg inside. Evidence is presented of ongoing diabatic cooling throughout this zone, both inside and outside the chemically perturbed region.
Document ID
19900031899
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Profitt, M. H.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Kelly, K. K.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Powell, J. A.
(NOAA, Aeronomy Laboratory, Boulder CO, United States)
Gary, B. L.
(JPL Pasadena, CA, United States)
Loewenstein, M.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Podolske, J. R.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Strahan, S. E.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Chan, K. R.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 14, 2013
Publication Date
November 30, 1989
Publication Information
Publication: Journal of Geophysical Research
Volume: 94
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
90A18954
Distribution Limits
Public
Copyright
Other

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