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Observations of denitrification and dehydration in the winter polar stratospheresIt is argued that denitrification of the Arctic stratosphere can be explained by the selective growth and sedimentation of aerosol particles rich in nitric acid. Because reactive nitrogen species moderate the destruction of ozone by chlorine-catalyzed reactions by sequestering chlorine in reservoir species such as ClONO2, the possibility of the removal of reactive nitrogen without dehydration should be allowed for in attempts to model ozone depletion in the Arctic. Indeed, denitrification along with elevated concentrations of reactive chlorine observed in 1989 indicate that the Arctic was chemically primed for ozone destruction without an extended period of temperatures below the frost point, as is characteristic of the Antarctic.
Document ID
19900042068
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Fahey, D. W.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Kelly, K. K.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Kawa, S. R.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Tuck, A. F.
(NOAA, Aeronomy Laboratory, Boulder CO, United States)
Loewenstein, M.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 14, 2013
Publication Date
March 22, 1990
Publication Information
Publication: Nature
Volume: 344
ISSN: 0028-0836
Subject Category
Geophysics
Accession Number
90A29123
Distribution Limits
Public
Copyright
Other

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