Computer Science – Sound
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.359..283h&link_type=abstract
Nature (ISSN 0028-0836), vol. 359, no. 6393, p. 283-287.
Computer Science
Sound
39
Aerosols, Antarctic Regions, Atmospheric Circulation, Atmospheric Composition, Ozone Depletion, Atmospheric Chemistry, Balloon Sounding, Sea Surface Temperature, Spring (Season), Stratosphere, Transport Theory, Volcanoes
Scientific paper
Local ozone reductions approaching 50 percent in magnitude were observed during the Antarctic spring in the 11-13 and 25-30 km altitude regions over South Pole and McMurdo Stations in 1991. These reductions, at altitudes where depletion has not been observed previously, resulted in a late September total ozone column 10-15 percent lower than previous years. The added depletion in the lower stratosphere was observed to coincide with penetration into the polar vortex of highly enhanced concentrations of aerosol particles from volcanic activity in 1991.
Deshler Terry
Harris Mark J.
Hofmann David J.
Johnson Jeffrey B.
Oltmans Samuel J.
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