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Sedimentation in Lake Onalaska, Navigation Pool 7, upper Mississippi River, since impoundment

Water Resources Bulletin

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Abstract

Sediment accumulation was evaluated in Lake Onalaska, a 2800-ha backwater impoundment on the Upper Mississippi River. Computer programs were used to process fathometric charts and generate an extensive data set on water depth for the lake. Comparison of 1983 survey data with pre-impoundment (before 1937) data showed that Lake Onalaska had lost less than 10 percent of its original mean depth in the 46 years since impoundment. Previous estimates of sedimentation rates based on Cesium-137 sediment core analysis appear to have been too high. (DBO)

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Sedimentation in Lake Onalaska, Navigation Pool 7, upper Mississippi River, since impoundment
Series title:
Water Resources Bulletin
Volume
23
Issue:
2
Year Published:
1987
Language:
English
Publisher:
U.S. Fish and Wildlife Service
Contributing office(s):
Upper Midwest Environmental Sciences Center
Description:
pp. 221-226
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Water Resources Bulletin
First page:
221
Last page:
226
Number of Pages:
6