The role of seasonal reservoirs in the Mars water cycle. I Seasonal exchange of water with the regolith. II - Coupled models of the regolith, the polar caps, and atmospheric transport

Details The role of seasonal reservoirs in the Mars water cycle. I Seasonal exchange of water with the regolith. II - Coupled models of the regolith, the polar caps, and atmospheric transport The role of seasonal reservoirs in the Mars water cycle. I Seasonal exchange of water with the regolith. II - Coupled models of the regolith, the polar caps, and atmospheric transport

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...55....1j&link_type=abstract

Icarus (ISSN 0019-1035), vol. 55, July 1983, p. 1-39. NASA-supported research.

Physics

52

Atmospheric Moisture, Mars Atmosphere, Mars Surface, Water Vapor, Adsorption, Annual Variations, Atmospheric Models, Carbon Dioxide, Regolith, Mars, Seasons, Water, Regolith, Seasonal Variations, Vapor, Ice, Atmosphere, Polar Regions, Adsorption, Temperature Effects, Models, Calculations, Latitude, Physical Properties, Transport, Gradients, Abundance, Diffusivity

Scientific paper

Observations of the seasonal cycle of water vapor in the Mars atmosphere imply that there is a seasonal exchange of water with a reservoir of ice in the polar regions and of adsorbed water in the global near-surface regolith. Seasonal surface temperature variations are capable of driving a large exchange of water between the atmosphere and subsurface. A one-dimensional model of this process is presented, and calculations are done of the amount of water exchanged seasonally at each latitude. This exchange is found to be from 10 to 150% of the observed variation; atmospheric transport and supply from the polar regions must make up the difference between the predicted and observed variation.

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