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Effects of hypothetical management scenarios on simulated water temperatures in the Tualatin River, Oregon

Water-Resources Investigations Report 2000-4071

Prepared in cooperation with Unified Sewerage Agency of Washington County, Oregon
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Abstract

In 1994, the U.S. Geological Survey (USGS) and the Unified Sewerage Agency of Washington County, Oregon (USA) began a cooperative study to better understand water-temperature variations in the Tualatin River and to assess mitigative water-management solutions. Continuous water-temperature data were collected at locations along the main stem of the river and along the major tributaries during the lowflow periods of 1994 and 1995. The 1994 data were used to develop and calibrate flow and water-temperature models characterizing conditions in the main stem. The models were used to simulate 10 hypotheti3 cal water-management scenarios, which would enable water managers to understand the effects of various human activities on water temperatures. Modeling results from the study are presented in Risley (1997); the data collected are presented in Risley and Doyle (1997). This report presents the water-temperature model simulation results of 16 additional hypothetical water-management scenarios using the 1994 and 1995 data. The additional modeling was funded by the USGS and the USA under a cooperative agreement. For a comprehensive description of the water-temperature models and their underlying assumptions, refer to Risley (1997).

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Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Effects of hypothetical management scenarios on simulated water temperatures in the Tualatin River, Oregon
Series title:
Water-Resources Investigations Report
Series number:
2000-4071
Year Published:
2000
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Portland, OR
Description:
ix, 110 p.
Public Comments:
Supplement to Water-Resources Investigations Report 97-4071
Country:
United States
State:
Oregon
Other Geospatial:
Tualatin River
Online Only (Y/N):
N
Additional Online Files (Y/N):
N