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Planetary geomorphology field studies: Washington and AlaskaField studies of terrestrial landforms and the processes that shape them provide new directions to the study of planetary features. Investigations discussed address principally mudflow phenomena and drainage development. At the Valley of 10,000 Smokes (Katmai, AK) and Mount St. Helens, WA, studies of the development of erosional landforms (in particular, drainage) on fresh, new surfaces permitted analysis of the result of competition between geomorphic processes. Of specific interest is the development of stream pattern as a function of the competition between perennial seepage overland flow (from glacial or groundwater sources), ephemeral overland flow (from pluvial or seasonal melt sources), and ephemeral/perennial groundwater sapping, as a function of time since initial resurfacing, material properties, and seasonal/annual environmental conditions.
Document ID
19840015433
Acquisition Source
Legacy CDMS
Document Type
Other - Other
Authors
Malin, M. C.
(Arizona State Univ. Tempe, AZ, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA. Washington Rept. of Planetary Geol. Programs
Subject Category
Geophysics
Accession Number
84N23501
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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