Chryse basin channels - Low-gradients and ponded flows

Details Chryse basin channels - Low-gradients and ponded flows Chryse basin channels - Low-gradients and ponded flows

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983lpsc...13..553l&link_type=abstract

In: Lunar and Planetary Science Conference, 13th, Houston, TX, March 15-19, 1982, Proceedings. Part 2. (A83-21281 07-91) Washing

Mathematics

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1

Mars Surface, Planetary Geology, Channels, Radar Photography, Topography

Scientific paper

The analysis and construction of approximate channel floor longitudinal gradients from 26 radar elevation profiles at four latitudinal channel crossings show that the outflow channels of the Lunae Planum and Chryse Basin have much lower values than those of the U.S. Geological Survey's topographic map. In order to account for the movement of fluids to the north, it is proposed that ponding from local runoff occurred before channel transition along the course of Simud and Tiu Valles. The lakes eventually overflowed, drainages became integrated, and headward erosion reached interfluves, thereby forming the present channel configurations. The ponding and the flooding following it, which had sufficient head to move fluids across nearly level gradients, would have occurred during a period when the climate allowed the surface runoff of fluids and standing bodies of water.

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