Computer Science – Sound
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3209804s&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 9, CiteID L09804
Computer Science
Sound
22
Atmospheric Processes: Remote Sensing, Atmospheric Processes: Middle Atmosphere Dynamics (0341, 0342), Atmospheric Processes: Mesospheric Dynamics
Scientific paper
We used temperature data from the Sounding of the Atmosphere with Broadband Emission Radiometry (SABER) on the the NASA TIMED satellite to quantify the connection between temperatures in the stratosphere and in the mesosphere and lower thermosphere. Specifically, we studied three winter periods where stratospheric temperatures were dynamically disturbed: February 2002, August, 2002, and February 2003. The SABER temperatures show a clear signature of mesospheric coolings in concert with stratospheric warmings. Mesospheric temperatures between 0.7 hPa and 0.01 hPa show a significant anticorrelation with stratospheric temperatures. For pressures <0.01 hPa, this anticorrelation breaks down, in disagreement with recent model results from a thermosphere-ionosphere-mesosphere general circulation model that suggest mesospheric coolings persist up to 110 km. Also, the lack of a clear correlation between stratospheric temperatures and those at 83-90 km suggests that measurements of the OH Meinel band temperatures at those altitudes may not be representative of the entire mesosphere.
Coy Lawrence
Espy Patrick
Siskind David E.
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