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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
Full Text:: TUALATIN BASI N FOLLOWING EURO-AMERICAN SETTLEMEN T by David D. Shively Department of Geosciences Oregon

Creator:: McIntire, C. David, DeNicola, Dean M., Geological Survey (U.S.), and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: available for beneficial use . The Institute administers and coordinates statewide an d regional programs

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:: . Subbasins 4 C. Sources of Land Use Information 4 D. Water Uses 6 II. LAND USE OVERVIEW 7 A

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:: information is required . Recommendations are made at the end of this report for targete d data collections

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:: 67 D. Summary of Toxics in Sediments for Willamette River 68 E. River Mile Index for the

Creator:: Shelby, Bo, 1948-, Oregon State University. Water Resources Research Institute, Johnson, Rebecca L., 1955-, and Brunson, Mark W.
Resource Type:: Technical Report
Full Text:: resources research an d education involving all aspects of the quality and quantity .of water available

Creator:: Oregon State University. Extension Service and Oregon State University. Water Resources Research Institute
Abstract:: The Seventh Annual James A. Vomocil Water Quality Conference was planned after three topics had been selected as being of particular interest. Wetlands, Best Management Practices, and Riparian Zone Effectiveness were the topics. Speakers were invited who by virtue of their training, their experience, or their work assignment had insights...
Resource Type:: Conference Proceeding
Full Text:: the cells grouped between 53 and 59%. This translates to a mass treatment of 292-362 kg/ha-d (263-323

ScholarsArchive@OSU