One Martian Year of Atmospheric Observations by the Mars Climate Sounder

Details One Martian Year of Atmospheric Observations by the Mars Climate Sounder One Martian Year of Atmospheric Observations by the Mars Climate Sounder

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufm.p31d..02m&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #P31D-02

Computer Science

Sound

1060 Planetary Geochemistry (5405, 5410, 5704, 5709, 6005, 6008), 5400 Planetary Sciences: Solid Surface Planets, 5405 Atmospheres (0343, 1060)

Scientific paper

The Mars Climate Sounder (MCS) completed its first year of observations of the Martian atmosphere obtaining vertical profiles of temperature, dust, condensates, and water vapor. In this overview we show comparisons of retrievals from MCS with results from the Mars Global Surveyor Thermal Emission Spectrometer and Radio Science investigations. Agreement is generally good to excellent for temperature profiles where measurements overlap; however, MCS retrievals of the vertical distribution of dust depart from the standard model derived from nadir-viewing instruments. Activities in support of entry descent and landing of the Phoenix lander presented an opportunity for the intercomparison of multiple instruments and models. Some results from that work are presented here. The extended vertical coverage and high vertical resolution of MCS observations have been used to study the thermal structure of the lower and middle atmosphere. The meridional circulation at solstice is inferred to be significantly more vigorous, and that the warming due to the descending branch of the Hadley cell is more intense and extends further poleward than had been predicted.

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