Gravity waves, cold pockets and CO2 clouds in the Martian mesosphere

Details Gravity waves, cold pockets and CO2 clouds in the Martian mesosphere Gravity waves, cold pockets and CO2 clouds in the Martian mesosphere

Publishing date

Jan 2012

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012georl..3902201s&link_type=abstract

Journals

Geophysical Research Letters, Volume 39, Issue 2, CiteID L02201

Science

Mathematics

Field

Logic

Additional info 3

Atmospheric Composition And Structure: Planetary Atmospheres (5210, 5405, 5704), Atmospheric Processes: Clouds And Aerosols, Atmospheric Processes: Mesoscale Meteorology, Atmospheric Processes: Acoustic-Gravity Waves, Planetary Sciences: Solar System Objects: Mars

Type

Scientific paper

Abstract

Many independent measurements have shown that extremely cold temperatures are found in the Martian mesosphere. These mesospheric “cold pockets” may result from the propagation of atmospheric waves. Recent observational achievements also hint at such cold pockets by revealing mesospheric clouds formed through the condensation of CO2, the major component of the Martian atmosphere. Thus far, modeling studies addressing the presence of cold pockets in the Martian mesosphere have explored the influence of large-scale circulations. Mesoscale phenomena, such as gravity waves, have received less attention. Here we show through multiscale meteorological modeling that mesoscale gravity waves could play a key role in the formation of mesospheric cold pockets propitious to CO2 condensation.

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