Mathematics – Logic
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept..191h&link_type=abstract
In NASA. Washington Rept. of Planetary Geol. Programs p 191-193 (SEE N84-23431 13-91)
Mathematics
Logic
Drainage, Geomorphology, Mars (Planet), Mars Surface, Soil Erosion, Water Erosion, Fracturing, Ground Water, Ice, Melting, Models, Sediments
Scientific paper
Development of drainage networks by erosion by emergent groundwater (sapping) is being modelled by a combination of laboratory experiments and theoretical modelling. Miniature drainage networks formed in fine-grained sediments share many morphologic characteristics of Martian and terrestrial networks suspected to be formed by sapping processes. A larger and better instrumented sapping box was constructed to further explore the processes of sapping and the morphology of resulting networks. The experiments to be conducted in the sapping box will investigate the roles of several factors in controlling network morphology. The mechanics of sapping of fine-grained sediments were investigated in experiments in a two-dimensional sapping chamber and through development of a theoretical model. Results of extensive tests on sapping erosion of fine-grained, cohesionless sediment were analyzed with a theoretical model of the mechanics of sapping erosion and transport.
Howard Alan D.
Kochel C.
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