geo 17 - Two-Dimensional Analytic Model For Orogenic...

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Unformatted text preview: Two-Dimensional Analytic Model For Orogenic Collapse JADAMEC, Margarete A ., Department of Geology, University of California, Davis, 1 Shields Ave, Davis, CA 95616, jadamec@geology.ucdavis.edu, TURCOTTE, Donald L. , Department of Geology, University of California, Davis, 1 Shields Avenue, 174 Physics/Geology Building, Davis, CA 95616, and HOWELL, Peter D., Oxford Centre for Applied and Industrial Mathematics, Oxford University, 24-29 St. Giles', Oxford, OX1 3LB, United Kingdom The decay of orogenic plateaus is generally attributed to erosion and/or gravitational collapse. In this paper we present a relatively simple analytical approach to the quantification of the two mechanisms and their relative importance. Erosion requires differential topography. We treat the erosion problem using the Culling (diffusion equation) approach. The basic assumption is that material transport is proportional to the slope with the equivalent coefficient of diffusion, D, the constant of proportionality. Gravitational to the slope with the equivalent coefficient of diffusion, D, the constant of proportionality....
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This note was uploaded on 01/31/2011 for the course GEL 1 taught by Professor Barfod during the Spring '08 term at UC Davis.

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