Polar stratospheric clouds as deduced from MLS and CLAES measurements

Autor:	John B. Kumer, William G. Read, G. E. Peckham, E. S. Carr, Lucien Froidevaux, William Lahoz, Robert S. Harwood, P. D. Ricaud, Aidan E. Roche, Joe W. Waters, John L. Mergenthaler
Rok vydání:	1995
Předmět:	chemistry.chemical_compound Geophysics chemistry Extinction (optical mineralogy) Anticyclone General Earth and Planetary Sciences Potential temperature Polar Chlorine monoxide Atmospheric sciences Stratosphere Water vapor Orographic lift
Zdroj:	Geophysical Research Letters. 22:2033-2036
ISSN:	0094-8276
DOI:	10.1029/95gl00479
Popis:	From 30 August 1992 to 3 September 1992 a supersaturated area at 465 K potential temperature ({approximately}50 hPa) is deduced from MLS water vapour measurements over western Antarctica, where high extinction coefficients measured by CLAES indicate Polar Stratospheric Clouds (PSCs). These PSCs are attributed partly to the effect of an anticyclone located over South America and partly to localized orographic waves, which raise the isentropes and generate rapid adiabatic cooling. A local minimum in column O{sub 3} ({
Databáze:	OpenAIRE
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