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Rivers Over Rock: Fluvial Processes in Bedrock Channels, Volume 107

Keith J. Tinkler (Editor), Ellen Wohl (Editor)
ISBN: 978-0-87590-090-2
323 pages
February 1998, American Geophysical Union
Rivers Over Rock: Fluvial Processes in Bedrock Channels, Volume 107 (0875900909) cover image

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 107.

Bedrock river channels are sites of primary erosion in the landscape, fixing the baselevel for all points upstream. This volume provides for the first time an integrated view of the characteristics and operation of this important, though hitherto neglected, class of channels. Examples are provided from several continents and cover a wide range of spatial scales from the large river basins (such as the Colorado River in the United States and the Indus River in Pakistan) down to reach scales and individual sites. Likewise the geologic timescales considered range from erosion and transportation during individual flows to accumulated effects over periods of tens of millions of years.

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Preface
Keith Tinkler and Ellen Wohl  vii

A Primer on Bedrock Channels
Keith Tinkler and Ellen Wohl  1

Hydraulics, Sediment Transport, and Erosional Processes

Conditions for the Entrainment of Cuboid Boulders in Bedrock Streams:
An Historical Review of Literature w ith Respect to Recent Investigations
Paul Cading and Keith Tinkler  19

Beyond Power: Bedrock River Incision Process and Form
Gregory B. Hancock, Robert . Anderson, and Kelin X. Whipple  35

Modeling Considerations for Simulation of Flow in Bedrock Channels
Andrew J. Miller and Brian L. Cluer  61

Morphological Features of Bedrock Channels

Depositional Processes and Sediment Supply in Resistant-Boundary Channels: Examples from
Two Case Studies
Daniel A. Cenderelli and Brian L. Cluer  105

Bedrock Channel Morphology in Relation to Erosional Processes
Ellen E. Wohl  133

The Role of Extreme Floods in Shaping Bedrock Channels
Victor I. Baker and Vishwas B. Kale  153

Channel Gradient and Longitudinal Profile

Recent Adjustments to the Long Profile of Cooksville Creek, an Urbanized Bedrock Channel
in Mississauga, Ontario
Keith J. Tinkler and John Parish  167

Inland Propagation of Erosional Escarpments and River Profile Evolution Across the Southeast
Australian Passive Continental Margin
Jeffrey K. Weissel and Michele A. Seidi  189

Bedrock Fluvial Incision and Longitudinal Profile Development Over Geologic Time S ales Determined
by Fluvial Terraces
Frank J. Pazzaglia, Thomas W. Gardner, and Dorothy J. Merritts  207

River L ongitudinal Profiles and Bedrock Incision Models: Stream Power and the Influence
of Sediment Supply
Leonard Sklar and William E. Dietrich  237

Methods of Studying Bedrock Channels

Field Studies of Bedrock Channels
Keith Tinkler and Ellen Wohl  261

Flume Experimentation and Simulation of Bedrock Channel Processes
Douglas Thompson  and Ellen Wohl  279

Long Profile Development of Bedrock Channels: Interaction of Weathering, Mass Wasting,
Bed Erosion, and Sediment Transport
Alan D. Howard  297

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