Other
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufm.a41a0085k&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #A41A-0085
Other
0350 Pressure, Density, And Temperature, 3332 Mesospheric Dynamics, 3334 Middle Atmosphere Dynamics (0341, 0342), 3389 Tides And Planetary Waves, 3394 Instruments And Techniques
Scientific paper
We present climatologies of Polar Mesospheric Cloud (PMC) characteristics derived from Rayleigh Lidar measurements during seven austral summers at Australia's Davis station in Antarctica (68.6ºS, 78.0ºE). We find that on average PMC are higher (by approximately 1 km), have lower backscatter and are less prevalent than observed at similar northern hemisphere latitudes. These findings are consistent with other southern hemisphere measurements, and provide further demonstration of inter-hemispheric differences in the climate of the summer mesopause region. We discuss diurnal, seasonal and inter-annual variations in PMC characteristics using wind data from co- located atmospheric radars, and satellite-derived temperature and water vapor measurements.
Alexander S. P.
Klekociuk Andrew R.
Morris James R.
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