Physics
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sci...248..721y&link_type=abstract
Science (ISSN 0036-8075), vol. 248, May 11, 1990, p. 721-724.
Physics
5
Antarctic Regions, Atmospheric Chemistry, Ozone Depletion, Polar Regions, Spring (Season), Vortices, Nimbus 7 Satellite, Photochemical Reactions, Spatial Distribution, Temporal Distribution, Total Ozone Mapping Spectrometer
Scientific paper
An area-mapping technique, designed to filter out synoptic perturbations of the Antarctic polar vortex such as distortion or displacement away from the pole, was applied to the Nimbus-7 TOMS (Total Ozone Mapping Spectrometer) data. This procedure reveals the detailed morphology of the temporal evolution of column O3. The results for the austral spring of 1987 suggest the existence of a relatively stable collar region enclosing an interior that is undergoing large variations. A simplified photochemical model of O3 loss and the temporal evolution of the area-mapped polar O3 are used to constrain the chlorine monoxide (ClO) concentrations in the springtime Antarctic vortex. The O3 loss rates could be larger than deduced here because of underestimates of total O3 by TOMS near the terminator.
Allen Mark
Crisp David
Sander Stanley P.
Yung Yuk L.
Zurek Richard W.
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