Sediment oxygen demand and its effect on dissolved oxygen in a cutoff meander of the Kaskaskia River
Mathis, B.J.; Butts, Thomas A.
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https://hdl.handle.net/2142/90365
Description
Title
Sediment oxygen demand and its effect on dissolved oxygen in a cutoff meander of the Kaskaskia River
Author(s)
Mathis, B.J.
Butts, Thomas A.
Contributor(s)
Bradley University
Illinois State Water Survey
Klopke, Don
Sales, Michael
Baker, David
Gantzer, Charles
Issue Date
1981-07
Keyword(s)
Water resource development--Illinois
Water resource development
Water quality
Sediment oxygen demand
Cutoffs
Meanders
Fluvial sediments
Channel improvement
Oxbow lakes
Oxygen demand
Rivers
Sediment load
Lotic environment
Geographic Coverage
Illinois (state)
Abstract
This study was designed to assess the relationship of sediment oxygen demand and dissolved oxygen in a cutoff meander of the Kaskaskia River. The results of the study should be useful to agencies such as Departments of Conservation, Corps of Engineers and the Environmental Protection Agency when assessing the impact of stream channelization on cutoff meanders of channelized streams. Cross-sectional profiles were used to determine area and total water volume in the meander. When stagnant or no-flow conditions prevailed, anoxic conditions created by sediment oxygen demand were observed in a significant part of the water in the meander. When no-flow conditions prevailed during summer months, as much as 25% of the water in the meander became anoxic while 65% fell below 5.0 mg/l. Sediment oxygen demand rates were more closely related to temperature than to sediment consistency or benthic macroinvertebrate numbers. Ambient sediment oxygen demand measured during the summer was almost three times greater than demand measured during the fall. While sediment oxygen demand in the channelized portion of the river was higher than in some stations in the meander, reaeration resulting from flowing water in the channel was sufficient to prevent anoxic conditions from developing.
Publisher
University of Illinois at Urbana-Champaign. Water Resources Center
Type of Resource
text
Language
en
Permalink
http://hdl.handle.net/2142/90365
Sponsor(s)/Grant Number(s)
U.S. Department of the Interior
U.S. Geological Survey
Copyright and License Information
Copyright 1981 held by B.J. Mathis, Thomas A. Butts
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