Index Catalog // ScholarsArchive@OSU

Optimizing Reservoir Operations to Adapt to 21st Century Expectations of Climate and Social Change in the Willamette River Basin, Oregon

Creator:: Moore, Kathleen M.
Abstract:: Reservoir systems in the western US are managed to serve two main competing purposes: to reduce flooding during the winter and spring, and to provide water supply for multiple uses during the summer. Because the storage capacity of a reservoir cannot be used for both flood damage reduction and water...
Resource Type:: Dissertation
Full Text:: 21 st Century Expectations of Climate and Social Change in the Willamette River Basin, Oregon

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Creator:: Bennett, Paul Michael
Abstract:: The littoral zones of seven reservoirs in the southern Willamette Valley of Oregon were sampled with a boat electroshocker during the summer months of 1995 and 1996. Shoreline substrates were inventoried before sampling sites were randomly selected. Sampling sites consisted of 9 of 12 possible habitat types including four substrate...
Resource Type:: Masters Thesis
Full Text:: Army Corps of Engineers (COE), Portland, Oregon District, in the Willamette River Basin of Oregon

Quality of shallow ground water in alluvial aquifers of the Willamette Basin, Oregon, 1993-95

Creator:: Hinkle, Stephen R., National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: The purposes of this report are to describe the quality of shallow ground water in alluvial aquifers of the Willamette Basin and to identify relationships between shallow ground-water quality and various natural and anthropogenic factors. Several natural and anthropogenic factors (soil characteristics, cumulative thickness of clay above open interval of...
Resource Type:: Technical Report

Growth and reproduction of annual bluegrass (Poa annua) in response to trinexepacethyl or prohexadione-calcium at multiple rates and application timings

Creator:: Faletti, Matthew T.
Abstract:: Field experiments were conducted in 2002 and 2003 in the Willamette Valley of Oregon to investigate the effects of two plant growth regulators on the growth and reproduction of the weed annual bluegrass. Previous research suggested that the plant growth regulator prohexadione-calcium hastened senescence of annual bluegrass. Another plant growth...
Resource Type:: Masters Thesis
Full Text:: : Field experiments were conducted in 2002 and 2003 in the Willamette Valley of Oregon to investigate the

Taming the Tumalo : A Damned Dam Repurposed for Recharge

Creator:: Harpham, Kelsey
Abstract:: The Tumalo Project at Tumalo Reservoir in Central Oregon was proclaimed a failure almost as soon as it was completed. As the reservoir filled with water diverted from Tumalo creek in the spring of 1915, sinkholes developed in the reservoir floor and every last drop of captured water disappeared into...
Resource Type:: Masters Thesis
Full Text:: Tumalo Project at Tumalo Reservoir in Central Oregon was proclaimed a failure almost as soon as it was

A physical inventory of streams in the Upper Willamette Watershed above the confluence of middle and coast forks of Willamette River : 1964

Creator:: Thompson, Kenneth E.
Abstract:: Federal Aid to Fish Restoration Progress Report Project F-69-R-2, Job Number 1
Resource Type:: Technical Report

Linkages among land use, riparian zones, and uptake and transformation of nitrate in stream ecosystems

Creator:: Sobota, Daniel J.
Abstract:: Land use alters the physical and biological structure of stream ecosystems and potentially alters their capacity to process nitrogen (N), an essential nutrient that has nearly doubled in abundance on the biosphere during the past century from human activities. In this dissertation, I quantified uptake and transformation of nitrate (NO₃⁻)...
Resource Type:: Dissertation
Full Text:: study reaches in the Willamette River basin, Oregon, USA………………………………………………………………..15

Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995

Creator:: Altman, Bob, Henson, Colleen M., Waite, Ian R., United States. Fish and Wildlife Service, National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: This report reviews and summarizes available information on aquatic biological communities in the Willamette Basin through 1995. Specifically, the report describes (1) the distribution, abndance, and trends of three taxonomic groups--algae, macroinvertebrates, and fish--and, to a lesser degree, other selected semi-aquatic taxa (i.e., taxa frequenting but not living wholly in...
Resource Type:: Technical Report

The Ore bin ; Vol. 33 No. 9 (September 1971)

Creator:: Oregon. Dept. of Geology and Mineral Industries, Van Atta, Robert O., and Jaksha, Lawrence H.
Resource Type:: Journal
Full Text:: Oregon, west of the Willamette River and north of latitude 45° 15': U.S. Geol. Survey Oil and Gas Inv

Relationships, communication, and power in Willamette Valley watershed councils : toward building resilient collaborative pathways

Creator:: Myhre, Andrea L.
Abstract:: The purpose of this research is to investigate how stakeholders involved in collaborative watershed groups in Oregon work with each other to form ideas and take action. Most collaboration efforts include encouraging a high level of trust with a great value placed on relationships and partners, being open and flexible,...
Resource Type:: Masters Thesis
Full Text:: stakeholders involved in collaborative watershed groups in Oregon work with each other to form ideas and take

ScholarsArchive@OSU

Optimizing Reservoir Operations to Adapt to 21st Century Expectations of Climate and Social Change in the Willamette River Basin, Oregon

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Quality of shallow ground water in alluvial aquifers of the Willamette Basin, Oregon, 1993-95

Growth and reproduction of annual bluegrass (Poa annua) in response to trinexepacethyl or prohexadione-calcium at multiple rates and application timings

Taming the Tumalo : A Damned Dam Repurposed for Recharge

A physical inventory of streams in the Upper Willamette Watershed above the confluence of middle and coast forks of Willamette River : 1964

Linkages among land use, riparian zones, and uptake and transformation of nitrate in stream ecosystems

Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995

The Ore bin ; Vol. 33 No. 9 (September 1971)

Relationships, communication, and power in Willamette Valley watershed councils : toward building resilient collaborative pathways

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