Other
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999georl..26.3581l&link_type=abstract
Geophysical Research Letters, Volume 26, Issue 24, p. 3581-3584
Other
39
Atmospheric Composition And Structure, Atmospheric Composition And Structure: Middle Atmosphere-Composition And Chemistry, Atmospheric Composition And Structure: Pressure, Density, And Temperature, Information Related To Geographic Region: Antarctica
Scientific paper
The Arctic summer mesopause at ~88 km is the coldest-known place (~130 K) in the terrestrial atmosphere and is ~60 K colder in summer than winter. Indirect evidence has suggested that the summer mesopause temperatures in the Antarctic are a few Kelvin warmer than in the Arctic. However, reliable measurements have not been available at southern high latitudes to verify this. We report the very first in situ temperature observations in the summer mesosphere from Antarctica based on rocket-borne falling spheres launched from Rothera (68°S, 68°W). The first of 24 successful launches, on 5 January 1998, showed a mesopause temperature of 129 K at 87 km, surprisingly close to northern hemisphere (NH) mean summer values. During January the mesospheric temperatures are similar to the northern summer, but the difference increases to several Kelvin in February.
Jarvis Martin J.
Jones Owen L. G.
Lübken Franz-Josef
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