Physics
Scientific paper
Aug 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29p..49p&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 16, pp. 49-1, CiteID 1802, DOI 10.1029/2002GL015288
Physics
4
Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics (0341, 0342), Atmospheric Composition And Structure: Pressure, Density, And Temperature, Meteorology And Atmospheric Dynamics: Polar Meteorology, Meteorology And Atmospheric Dynamics: General Circulation, Global Change: Atmosphere (0315, 0325)
Scientific paper
Fe/Rayleigh lidar measurements and balloon observations made recently at the geographic South Pole are used to characterize the monthly mean winter temperature profiles from the surface to about 110 km. The measured temperatures during mid-winter in both the stratopause and mesopause regions are 20-30 K colder than current model predictions. These differences are caused by weaker than expected compressional heating associated with subsidence over the polar cap. The measured mesopause temperature responds much more rapidly to changes in sunlight than model predictions, which suggests that IR heating by CO2 absorption may also be important to the thermal balance in the mesopause region.
Gardner Chester S.
Pan Weilin
Roble Raymond G.
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