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Effect of flow conditions on stream reaeration coefficients

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Abstract

Contrary to the findings of previous studies of channel-controlled stream reaches, it was found that, in four reaches of a small stream characterized by a series of pools and riffles, reaeration coefficients decrease with decreasing discharge. In the reach with the most pool-and-riffle development, the measured reaeration coefficient under low-flow conditions was 86 percent less than its value during average-flow conditions. A regression equation was developed which accurately predicted the measured values in the four study reaches. The equation appears to have applicability to other similar pool-and-riffle streams.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Effect of flow conditions on stream reaeration coefficients
ISBN:
087262711X
Year Published:
1989
Language:
English
Publisher:
Publ by ASCE
Publisher location:
New York, NY, United States
First page:
781
Last page:
787
Number of Pages:
7
Conference Title:
Environmental Engineering: Proceedings of the 1989 Specialty Conference
Conference Location:
Austin, TX, USA
Conference Date:
10 July 1989 through 12 July 1989