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CHANNEL EVOLUTION IN MODIFIED ALLUVIAL STREAMS.

Transportation Research Record

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Abstract

This study (a) assesses the channel changes and network trends of bed level response after modifications between 1959 and 1972 of alluvial channels in western Tennessee and (b) develops a conceptual model of bank slope development to qualitatively assess bank stability and potential channel widening. A six-step, semiquantitative model of channel evolution in disturbed channels was developed by quantifying bed level trends and recognizing qualitative stages of bank slope development. Development of the bank profile is defined in terms of three dynamic and observable surfaces: (a) vertical face (70 to 90 degrees), (b) upper bank (25 to 50 degrees), and (c) slough line (20 to 25 degrees).

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
CHANNEL EVOLUTION IN MODIFIED ALLUVIAL STREAMS.
Series title:
Transportation Research Record
Issue:
1151
Year Published:
1987
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Transportation Research Record
First page:
16
Last page:
24
Number of Pages:
9