Mathematics – Logic
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.2551c&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 22, p. 2551-2554
Mathematics
Logic
9
Atmospheric Stratification, Gravity Waves, Mountains, Temperature Profiles, Wind Direction, Atmospheric Boundary Layer, Atmospheric Chemistry, Atmospheric Composition, Atmospheric Temperature, Cloud Cover
Scientific paper
A mountain wave event, observed at the southern tip of Greenland on January 6, 1992, was corroborated by three experiments: the Meteorological Measurement System (MMS), the Microwave Temperature Profiler (MTP), and the Reactive Nitrogen Instrument (NO/NO(y)). Gravity wave signatures with classical phase relationship between wind and temperature were observed on both the outbound and inbound legs at different altitudes. The waves showed both vertically propagating and evanescent properties. Characteristics of the dominant wave mode are: wavelength about = 35 km; vertical displacement about = 0.8 km, and peak-to-peak vertical wind about = 6/ms. With the prevailing wind at about = 37/ms, the stratospheric temperature was reduced by 6K to 195.5 K within 8 minutes. The implication and potential impact of mountain lee waves on the formation of polar stratospheric clouds (PSC's) are discussed.
Bowen S. W.
Bui Paul T.
Chan Roland K.
Dean-Day J.
Fahey David W.
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