Assessment of low-flow water quality in Richland Creek, Illinois
Water-Resources Investigations Report
86-4323
By: W.O. Freeman and A.R. Schmidt
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Abstract
To study the effects of urbanization on water quality, the relations of several stream processes to concentrations of dissolved oxygen and other constituents were evaluated during low-flow periods for a 30.1-mi reach of Richland Creek in southwestern Illinois. The study used both measured data and computer simulations. Reaeration rates and traveltimes were measured at various flow rates using a steady-state, gas-tracer technique. Sediment-oxygen demands were measured at several locations throughout the study reach. Stream discharge, stage, temperature, and chemical-constituent concentrations were measured during two 24-hr periods in July and August 1984. The data were then used to describe water quality and to calibrate and verify the QUAL-II one-dimensional, steady-state, water quality model. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Assessment of low-flow water quality in Richland Creek, Illinois |
| Series title | Water-Resources Investigations Report |
| Series number | 86-4323 |
| DOI | 10.3133/wri864323 |
| Edition | - |
| Year Published | 1986 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | vii, 95 p. :ill., maps ;28 cm. |
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