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An Ozone Increase in the Antarctic Summer Stratosphere: A Dynamical Response to the Ozone HoleProfiles of ozone concentration retrieved from the SBUV series of satellites show an increase between 1979 and 1997 in the summertime Antarctic middle stratosphere (approx. 25-10 hPa). Data over the South Pole from ozone sondes confirm the increase. A similar ozone increase is produced in a chemistry climate model that allows feedback between constituent changes and the stratospheric circulation through radiative heating. A simulation that excludes the radiative coupling between predicted ozone and the circulation does not capture this ozone increase. We show that the ozone increase in our model simulations is caused by a dynamical feedback in response to the changes in the stratospheric wind fields forced by the radiative perturbation associated with the Antarctic ozone hole.
Document ID
20070031230
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Stolarski, R. S.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Douglass, A. R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gupta, M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Newman, P. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Pawson, S.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Schoeberl, M. R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Nielsen, J. E.
(Science Systems and Applications, Inc. Lanham, MD, United States)
Date Acquired
August 23, 2013
Publication Date
November 7, 2007
Publication Information
Publication: Geophysical Reseach Letters
Volume: 33
Subject Category
Meteorology And Climatology
Distribution Limits
Public
Copyright
Other

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