Technical note: LIMS observations of lower stratospheric ozone in the southern polar springtime of 1978

Technical note: LIMS observations of lower stratospheric ozone in the southern polar springtime of 1978

The Nimbus 7 Limb Infrared Monitor of the Stratosphere (LIMS) instrument operated from 25 October 1978 through 28 May 1979. This note focuses on its Version 6 (V6) data and indications of ozone loss in the lower stratosphere of the Southern Hemisphere subpolar region during the last week of October...

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Veröffentlicht in:Atmospheric chemistry and physics 2020-03, Vol.20 (6), p.3663-3668
Hauptverfasser: Remsberg, Ellis, Harvey, V. Lynn, Krueger, Arlin, Gordley, Larry, Gille, John C, Russell III, James M
Format: Artikel
Sprache:eng
Schlagworte:
Air pollution
Antarctic ozone
Atmospheric circulation
Atmospheric ozone
Lower stratosphere
Middle atmosphere
Nitric acid
Nitric acids
Nitrogen dioxide
Nitrogen oxides
Ozone
Ozone layer
Ozonosphere
Polar environments
Polar regions
Polar vortex
Profiles
Scientific software
Southern Hemisphere
Stratosphere
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Zusammenfassung:The Nimbus 7 Limb Infrared Monitor of the Stratosphere (LIMS) instrument operated from 25 October 1978 through 28 May 1979. This note focuses on its Version 6 (V6) data and indications of ozone loss in the lower stratosphere of the Southern Hemisphere subpolar region during the last week of October 1978. We provide profiles and maps that show V6 ozone values of only 2 to 3 ppmv at 46 hPa within the edge of the polar vortex near 60∘ S from late October through mid-November 1978. There are also low values of V6 nitric acid (∼3 to 6 ppbv) and nitrogen dioxide (
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-20-3663-2020