Physics
Scientific paper
Jan 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988georl..15....1p&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 15, Jan. 1988, p. 1-4. Research supported by the Chemical Manufacturers Asso
Physics
14
Antarctic Regions, Meteoroids, Nitric Acid, Ozone Depletion, Space Debris, Aerosols, Iron Oxides, Magnesium Oxides, Photochemical Reactions
Scientific paper
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.
Prather Michael J.
Rodriguez Molina J.
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