Physics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17..353m&link_type=abstract
Geophysical Research Letters, Supplement (ISSN 0094-8276), vol. 17, March 1990, p. 353-356.
Physics
22
Cirrus Clouds, Ice Clouds, Ozone Depletion, Polar Meteorology, Research Aircraft, Tropopause, Atmospheric Composition, Atmospheric Temperature, Vertical Distribution
Scientific paper
Ice saturation at or just above the tropopause was frequently observed during the ER-2 vertical profiles over Stavanger (59 deg N) during the Airborne Arctic Stratospheric Expedition (AASE). On occasion, ice saturation extended as much as 500 m above the tropopause. Saturation was not observed over Punta Arenas (53 deg S) during the Airborne Antarctic Ozone Experiment. Saturation extending just above the tropopause was observed at Moffett Field (38 deg N) in winter but not in summer. The top of a thick cirrus layer at the tropopause will be very strongly cooled, and a thin cloud layer at the tropopause will either be strongly heated or cooled depending on the presence of lower level clouds. Some ER-2 data suggests removal of water and nitrogen species from the tropopause.
Kelly Kieran
Kinne Stefan
Murphy Daniel M.
Proffitt Michael H.
Tuck Adrian F.
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