Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa43a1576r&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SA43A-1576
Physics
0300 Atmospheric Composition And Structure, 0320 Cloud Physics And Chemistry, 0340 Middle Atmosphere: Composition And Chemistry, 0341 Middle Atmosphere: Constituent Transport And Chemistry (3334), 0355 Thermosphere: Composition And Chemistry
Scientific paper
The Aeronomy of Ice in the Mesosphere satellite was launched on April 25, 2007 becoming the first mission dedicated to the study of Polar Mesospheric Clouds (PMCs). AIM has observed three PMC seasons at this point in time including two in the northern hemisphere and one in the south. The Solar Occultation for Ice Experiment (SOFIE) measures vertical profiles of temperature and trace gases involved in the PMC microphysics along with a number of PMC properties. Water vapor is central to PMC formation as it is now clear that the clouds are made up primarily of water ice. This paper describes the SOFIE water vapor measurement characteristics, presents measured vertical profiles and shows results of comparisons with ACE and MLS. Evolution of water vapor over the course of the PMC season in both hemispheres and comparisons of changes for the two northern seasons will be discussed.
Bailey Scott M.
Bernath Peter
Deaver Lance E.
Gordley Larry L.,
Hervig Mark E.
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