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Calibration and potential uses of a digital water-quality model for the Arkansas River in Pueblo County, Colorado

Water-Resources Investigations Report 80-38

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Abstract

The U.S. Geological Survey conducted a 1-year study to calibrate and demonstrate the use of a steady-state water quality model for a 42-mile reach of the Arkansas River in Pueblo County, Colo. Based on the calibration, the model is capable of accurately predicting concentrations of carbonaceous biochemical oxygen demand, total organic nitrogen, total nitrite, and total orthophosphate; predicted concentrations of total ammonia, total nitrate, and dissolved oxygen will be somewhat less accurate. Additional data are needed to determine the model 's capability to predict concentrations of coliform bacteria. Potential uses of the model were demonstrated by simulating the effects of different waste water discharges on streamflow quality, using water-quality and stream-discharge data provided by the Pueblo Area Council of Governments. Selected results for carbonaceous biochemical oxygen demand and total ammonia from three simulations illustrate the capability of the model. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Calibration and potential uses of a digital water-quality model for the Arkansas River in Pueblo County, Colorado
Series title:
Water-Resources Investigations Report
Series number:
80-38
Edition:
-
Year Published:
1980
Language:
ENGLISH
Publisher:
U.S. Geological Survey, Water Resources Division,
Description:
v, 87 p. :ill., maps ;26 cm.