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Rates of surficial rock creep on hillslopes in Western Colorado

Science

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Abstract

The average rate of downshope movement of rock fragments on shale hillslopes is directly proportional to the sine of the slope angle or that component of the gravitational force which acts parallel to the hillslope. The rates of surficial rock creep range from a few millimeters per year on a 3degree slope to almost 70 millimeters per year on a 40-degree slope, but these rates vary with natural variations in soil characteristics and microclimate, as well as with accidental disturbances.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Rates of surficial rock creep on hillslopes in Western Colorado
Series title:
Science
Volume
155
Issue:
3762
Year Published:
1967
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
560
Last page:
561