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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

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

Creator:: Oregon State University. Water Resources Research Institute and Oregon. Dept. of Environmental Quality
Resource Type:: Book
Full Text:: biota and decisions such as whether the River should be managed for warm water fish or•col d water fish

Creator:: Klingeman, Peter C., Matin, Habibollah, Huang, Cheng-Chang, and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: create the opportunity for river current s to cause erosion, such as when flood flows or boat waves

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:: loadings to the river, nor was QUAL2E able to evaluate stratification effects in Hagg Lake or in the

Creator:: Shelby, Bo, 1948-, Stein, Kristen, Oregon State University. College of Forestry, and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: , management, or the river environment . Use level studies have been conducted on two other rivers in the

Creator:: Frenkel, Robert E., Heinitz, Eric F., Wickramaratne, Siri Nimal, and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: VEGETATIONAL CHANGES IN THE WILLAMETTE RIVER GREENWAY IN BENTON AND

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:: regulation . Cutting off unauthorized us e would leave this water in the river . f. The lease or purchase

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
Full Text:: ) or the interbasin diversion scheme that brings water from the upper Trask River . Most of the

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

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