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Filtering by: Subject Tualatin River Watershed (Or.) Remove constraint Subject: Tualatin River Watershed (Or.) Creator Oregon State University. Water Resources Research Institute Remove constraint Creator: Oregon State University. Water Resources Research Institute File Format application/pdf Remove constraint File Format: application/pdf

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Issues surrounding the Biota of the Tualatin River Basin

Creator:

Li, Judith L., Gregory, Stanley V., and Oregon State University. Water Resources Research Institute

Abstract:

Tributaries of the Tualatin River cascade down high gradient slopes for relatively short distances, then flow into the low gradient mainstem which meanders for much of its length. The gentle, east-facing slopes of Oregon's Coast Range provide the geomorphic and climatic template for the watershed's patterns of discharge, water quality,...

Resource Type:

Technical Report

Full Text:

terrestrial communities. In the Tualatin River basin, much of the riparian habitat has been fragmented or
Late winter 1992 sampling for water quality in three stream segments of the Tualatin River Basin, Oregon

Creator:

Miner, J. Ronald, Nelson, Peter O., Vedanayagam, Samuel, Oregon State University. Water Resources Research Institute, and Oregon State University. Extension Service

Abstract:

The Tualatin River Basin in Washington County, Oregon has been identified by the Oregon Department of Environmental Quality (DEQ) as "Water Quality Limited." Algal blooms have become commonplace in the lower , reaches of. the river during summer months. Phosphorus has been identified as the nutrient upon which to base...

Resource Type:

Technical Report

Full Text:

. - Segments of the Tualatin River Basin, Orego n Oregon State University Extension Servic e Oregon Water
Modeling the Tualatin River system including Scoggins Creek and Hagg Lake: model description, geometry, and forcing data

Creator:

Wells, Scott A., Berger, Christopher, Knutson, Mike, and Oregon State University. Water Resources Research Institute

Abstract:

The goal of this phase of the study was to develop a model of the Tualatin River incorporating Scoggins Creek and Hagg Lake. This tool will be used in conjunction with a hydrologic model, the EPA HSPF model (Johnson, Imhoff, and Kittle, 1984), to analyze management strategies to improve water...

Resource Type:

Technical Report

Full Text:

Modeling the Tualatin River Syste m Including Scoggins Creek and Hagg
A project to collect scientific data and provide evaluation and recommendations for alternative pollution control stratagies for the Tualatin River Basin

Creator:

Oregon State University. Water Resources Research Institute and Oregon. Dept. of Environmental Quality

Resource Type:

Book

Full Text:

Health of River 13 , The Tualatin Watershed 13 ' Watershed Health 14 Biota 4' s ~ . . 4 .4
Response to comments received on the March 1993 Tualatin water quality study report

Creator:

Miner, J. Ronald and Oregon State University. Water Resources Research Institute

Abstract:

The pages which follow contain the authors responses to a series of comments that were received in response to "A Project to Collect Scientific Data and Provide Evaluation and Recommendations for Alternative Pollution Control Strategies for the Tualatin River Basin, 11 submitted to the Oregon Department of Environmental Quality (DEQ)...

Resource Type:

Technical Report

Full Text:

models that are being adapted to the Tualatin River Watershed as part of this project should be
Analysis of pollution control strategies for the Tualatin River

Creator:

Ervin, David E. and Oregon State University. Water Resources Research Institute

Abstract:

In response to Oregon House Bill 3338, the Oregon Department of Environmental Quality requested proposals in 1991 to assemble available information on Tualatin River Basin conditions to provide a scientific basis for improving river water quality. An interdisciplinary team of researchers from Oregon State University and Portland State University was...

Resource Type:

Technical Report

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the upper Tualatin River, such as at the U .S . Bureau of Reclamation Gaston or Mt . Richmond sites
Summary and assessment of toxics data for the Tualatin River

Creator:

Khaodhiar, Sutha, Nelson, Peter O., and Oregon State University. Water Resources Research Institute

Abstract:

The Tualatin River is a major water resource for Washington County. In its course, the river drains forest lands, farmlands, and urban areas receiving toxic materials from non-point source runoff: Wastewater treatment plant effluents from municipalities and industries also contribute toxic materials to the river. Many materials discharged into the...

Resource Type:

Technical Report

Full Text:

Summary and Assessment o f Tonics Data for the Tualatin River August
Evaluation of alternative pollution control strategies for the Tualatin River Basin, Oregon

Creator:

Oregon State University. Water Resources Research Institute and Oregon. Dept. of Environmental Quality

Abstract:

This report summarizes the conclusions reached in "A Project to Collect Scientific Data and Provide Evaluation and Recommendations for Alternative Pollution Control Strategies for the Tualatin River Basin." This study was funded by the Oregon Department of Environmental Quality as a grant to the Oregon Water Resources Research Institute on...

Resource Type:

Technical Report

Full Text:

AQUATIC HEALTH OF THE RIVER 16 1. THE TUALATIN WATERSHED ::r :: : : :k ., . :c~c ..w ; : : : 1 7 2
Landscape change in the Tualatin Basin following Euro-American settlement

Creator:

Shively, David D. and Oregon State University. Water Resources Research Institute

Abstract:

The Tualatin Basin landscape has undergone extensive change since the initiation of Euro-American settlement, with important consequences for basin hydrology and water quality. Changes that include the isolation of the Tualatin River from its floodplain areas, losses of important wetlands and riparian areas, and urbanization associated with population growth in...

Resource Type:

Technical Report

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(Surveyor General's Office, 1852) . 9 debris or drift jams . The Tualatin River, along with other
Agricultural land use in the Tualatin Basin

Creator:

Scott, Eric F., Wood, Mary, Warkentin, Benno P., and Oregon State University. Water Resources Research Institute

Abstract:

This report presents estimates of land uses, concentrating on agricultural land in the Tualatin drainage basin. Acreage in different crop groups and agricultural water use and distribution in the watershed were estimated. The total amounts of nitrogen and phosphate applied to agricultural land and the average loading of nutrients per...

Resource Type:

Technical Report

Full Text:

Publication of the : ♦ Oregon • i Water Resources 'r Research %re Institute TUALATIN RIVER BASIN SPECIAL

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Academic Affiliation

Bioresource Engineering6
Civil Engineering6
Atmospheric Sciences1
Fisheries and Wildlife1
Geosciences1

Creator

Oregon State University. Water Resources Research Institute[remove]18
Miner, J. Ronald5
Nelson, Peter O.3
Oregon State University. Extension Service2
Oregon. Dept. Of Environmental Quality2
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Date

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Current results range from 1992 to 1995

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Decade

1990-199918

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application/pdf[remove]18

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English [eng]18

Non-Academic Affiliation

Oregon State University. Extension Service1

Resource Type

Technical Report17
Book1

Rights Statement

Copyright Not Evaluated18

Subject

Tualatin River Watershed (Or.)15
Water quality management -- Oregon -- Tualatin River Watershed7
Water -- Pollution -- Oregon -- Tualatin River Watershed5
Water quality -- Oregon -- Tualatin River Watershed3
Phosphorus -- Environmental aspects -- Oregon -- Tualatin River Watershed2
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