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Karatekin et al. 2006

Karatekin, Ö., Van Hoolst, T. and Dehant, V. (2006). Martian global-scale CO₂ exchange from time-variable gravity measurements. Journal of Geophysical Research 111: doi: 10.1029/2005JE002591. issn: 0148-0227.

The Martian CO2 cycle causes variations in the gravity field that can be detected by an orbiting spacecraft. The time-variable ΔC20 and ΔC30 reported from the radio tracking analysis of Mars Global Surveyor are used to calculate the seasonal changes in the polar cap masses as well as in the global atmospheric pressure. The results show a good agreement with the model-dependent solutions of general circulation models and CO2 thickness observations of the High Energy Neutron Detector on board Mars Odyssey.

BACKGROUND DATA FILES

	Abstract

Keywords
Planetary Sciences, Solar System Objects, Mars, Geodesy and Gravity, Lunar and planetary geodesy and gravity (5417, 5450, 5714, 5744, 6019, 6250), Geodesy and Gravity, Time variable gravity (7223, 7230), Geodesy and Gravity, Global change from geodesy (1222, 1622, 1630, 1641, 1645, 4556), Planetary Sciences, Solid Surface Planets, Polar regions

Journal
Journal of Geophysical Research
http://www.agu.org/journals/jb/

Publisher
American Geophysical Union
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