Title: Martian global-scale CO2 exchange from time-variable gravity measurements
Authors: Karatekin, O ×
Van Hoolst, Tim
Dehant, V #
Issue Date: Jun-2006
Publisher: American Geophysical Union
Series Title: Journal of Geophysical Research vol:111 issue:E6 pages:1-5
Article number: E06003
Abstract: [1] The Martian CO2 cycle causes variations in the gravity field that can be detected by an orbiting spacecraft. The time-variable Delta C-20 and Delta C-30 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.
ISSN: 0148-0227
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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