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Record 1 of 2582
Antarctic ozone - Meteoric control of HNO3
Author and Affiliation:
Prather, Michael J.(NASA Goddard Institute for Space Studies, New York, United States)
Rodriguez, Jose M.(Atmospheric and Environmental Research, Inc., Cambridge, MA, United States)
Abstract: Atmospheric circulation leads to an accumulation of debris from meteors in the Antarctic stratosphere at the beginning of austral spring. The major component of meteoric material is alkaline, comprised predominantly of the oxides of magnesium and iron. These metals may neutralize the natural acidity of stratospheric aerosols, remove nitric acid from the gas phase, and bond it as metal nitrates in the aerosol phase. Removal of nitric acid vapor has been previously shown to be a critical link in the photochemical depletion of ozone in the Antarctic spring, by allowing for increased catalytic loss from chlorine and bromine.
Publication Date: Jan 01, 1988
Document ID:
19880039799
(Acquired Nov 28, 1995)
Accession Number: 88A27026
Subject Category: GEOPHYSICS
Document Type: Journal Article
Publication Information: Geophysical Research Letters (ISSN 0094-8276); 15; 1-4
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: NASA Goddard Inst. for Space Studies; New York, NY, United States
Atmospheric and Environmental Research, Inc.; Cambridge, MA, United States
Description: 4p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ANTARCTIC REGIONS; METEOROIDS; NITRIC ACID; OZONE DEPLETION; SPACE DEBRIS; AEROSOLS; IRON OXIDES; MAGNESIUM OXIDES; PHOTOCHEMICAL REACTIONS
Imprint And Other Notes: Geophysical Research Letters (ISSN 0094-8276), vol. 15, Jan. 1988, p. 1-4. Research supported by the Chemical Manufacturers Association and NASA.
Miscellaneous Notes: Research supported by the Chemical Manufacturers Association and NASA
Availability Source: Other Sources
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