Distribution, Exchange, and Topographic Control of Subsurface Ice on Mars

Details Distribution, Exchange, and Topographic Control of Subsurface Ice on Mars Distribution, Exchange, and Topographic Control of Subsurface Ice on Mars

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufm.p13a0983a&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #P13A-0983

Physics

5462 Polar Regions, 6225 Mars

Scientific paper

Spacecraft observations of a vast reservoir of subsurface ice on Mars raise an important question: does the distribution represent a record from a past climate with a different obliquity and humidity from today, or has it adjusted to, and is in equilibrium with, the present-day climate? We consider physical models, experiments, and observations in addressing this question of long-term thermal stability, as well as dynamical phenomena including seasonal accumulations and the response to surficial and environmental changes in the presence of adsorption. The effect of surface slope and slope distribution is investigated, and we find that depending on the length-scale, these slopes may have profound implications for the equilibrium ice table.

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