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Climate-Driven Bedrock Incision in an Active Mountain Belt

Karen Hartshorn, Niels Hovius, W. Brian Dade and Rudy L. Slingerland
Science
New Series, Vol. 297, No. 5589 (Sep. 20, 2002), pp. 2036-2038
Stable URL: http://www.jstor.org/stable/3832431
Page Count: 3
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Abstract

Measurements of fluvial bedrock incision were made with submillimeter precision in the East Central Range of Taiwan, where long-term exhumation rates and precipitation-driven river discharge are independently known. They indicate that valley lowering is driven by relatively frequent flows of moderate intensity, abrasion by suspended sediment is an important fluvial wear process, and channel bed geometry and the presence of widely spaced planes of weakness in the rock mass influence erosion rate and style.

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