Hydrology of early Mars: Lake basins

Details Hydrology of early Mars: Lake basins Hydrology of early Mars: Lake basins

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jgre..11604001m&link_type=abstract

Journal of Geophysical Research, Volume 116, Issue E4, CiteID E04001

Mathematics

Logic

1

Planetary Sciences: Solid Surface Planets: Hydrology And Fluvial Processes, Hydrology: Geomorphology: General (1625), Hydrology: Hydrological Cycles And Budgets (1218, 1655)

Scientific paper

A hydrologic routing model has been applied to the Noachian cratered highlands of Mars to establish the climatic conditions required to maintain exit breached lakes on early Mars and the likely fraction of the upland surface that would have hosted lakes whether they overflowed or not. The climatic conditions were expressed as a ratio of net evaporative loss from lakes to the surface runoff from uplands (the “X ratio”). Simulations were conducted using 16 different X ratios. The lake area, volume, and number of overflowing lakes decrease as climate becomes drier (larger X ratio). The modal frequency of the X ratio for the overflow of highland basins with eroded exit breaches was 5.0, which is comparable to that of the Great Basin region in the western United States during the Last Glacial Maximum (LGM). This indicates that lakes on early Mars were likely to have been at least as extensive as those in the Great Basin region during the LGM.

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