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Title: Relationship between total ozone amounts and stratospheric temperature at Syowa, Antarctica

Using statistical methods, the relationship has been studied between total ozone and 100-mbar temperatures at Syowa Station, Antarctica (69[degrees]S, 40[degrees]E), based on data obtained in 1961-1981 and 1982-1988, the time of ozone depletion in Antarctica. Results indicate a strong, positive correlation between total ozone and 100-mbar stratospheric temperatures during September-March for all years, but lower ozone values at 100-mbar stratospheric temperatures colder than about [minus]60[degrees]C during the 1982-1988 period. Ozone destruction by heterogeneous photochemical processes is the main cause of ozone depletion over Syowa during the 1980's, with a lesser contribution from a change in air dynamics (heat, ozone, and momentum transport to Antarctica during the austral spring) that increased polar vortex stability, thereby promoting photochemical ozone depression within the vortex. 27 refs., 9 figs., 2 tabs.
Authors:
 [1]
  1. (Meteorological Research Inst., Ibaraki (Japan))
Publication Date:
OSTI Identifier:
7064957
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Geophysical Research; (United States); Journal Volume: 98:D2
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; OZONE; COMPARATIVE EVALUATIONS; ECOLOGICAL CONCENTRATION; STRATOSPHERE; AMBIENT TEMPERATURE; AIR; ANTARCTICA; DYNAMICS; EARTH ATMOSPHERE; ECOSYSTEMS; HEAT; SOLAR RADIATION; STABILITY; TRANSPORT; ULTRAVIOLET RADIATION; ANTARCTIC REGIONS; ELECTROMAGNETIC RADIATION; ENERGY; EVALUATION; FLUIDS; GASES; MECHANICS; POLAR REGIONS; RADIATIONS; STELLAR RADIATION 540120* -- Environment, Atmospheric-- Chemicals Monitoring & Transport-- (1990-)