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Landslide Morphology and Processes on Santa Cruz Island, California

William Renwick
Geografiska Annaler. Series A, Physical Geography
Vol. 64, No. 3/4 (1982), pp. 149-159
Published by: Wiley on behalf of the Swedish Society for Anthropology and Geography
DOI: 10.2307/520642
Stable URL: http://www.jstor.org/stable/520642
Page Count: 11
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Landslide Morphology and Processes on Santa Cruz Island, California
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Abstract

An episode of unusually intense rainfall triggered over a thousand landslides on Santa Cruz Island, California, during the winter of 1977-78. These included large, deep-seated failures, composite mudflows, and hundreds of shallow soil slips. In this study, landslide occurrence is examined in relation to lithologic, pedologic, topographic, and vegetational conditions. Their effects on soil permeability, water movement patterns, and shear strength are found to be related to landslide morphology and process.

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