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Dam removals and downstream bar-pool morphology

Creator:: Zunka, John Page Purnell
Abstract:: Bar-pool morphology in rivers can provide vital habitat to aquatic species, notably salmonids, which require gravel riffles to bury eggs and pools for hydraulic and cold-water refuge. In some cases, the erosion and subsequent deposition of coarse sediment downstream of a dam removal can modify habitat by inundating bar-pool structure,...
Resource Type:: Masters Thesis
Full Text:: .......................................................... 16 3.2. Marmot Dam, Sandy River, OR

Historical Change and the Hydrogeomorphic Context of Present-day Floodplain Forests in the Willamette Valley, Oregon

Creator:: Bervid, Heather D.
Abstract:: Floodplain forests play many important roles in the fluvial processes and environments of large alluvial rivers, including acting as geomorphological influences and habitat for native fish during high flows. Many large, gravel-bed river systems have undergone substantial change in recent centuries, resulting in loss of forested area to agriculture, reduction...
Resource Type:: Masters Thesis
Full Text:: River at Albany, OR and b) Willamette River at Harrisburg, OR

The proposed Pelton Dam : a resource development problem

Creator:: Beh, John Logan
Resource Type:: Masters Thesis
Full Text:: that: (1) the anadromous fish now utilizing the river above the dam would be partially or totally

One-dimensional numerical model test and predictions for the Siuslaw Estuary

Creator:: Farreras, Salvador F.
Abstract:: The one-dimensional numerical model developed by Carl R. Goodwin is applied to the Siuslaw estuary. Vertical displacement, horizontal velocity and flow of the water as a function of time and distance from the mouth given by the model are compared with field observations taken under different water mixing conditions in...
Resource Type:: Masters Thesis
Full Text:: , 524 meters) just 2 miles (3.2 kilometers) above the city of Florence (located on river mile 5. 0 or

Influences of landslides, floods and land use on channel changes of the upper Middle Fork Willamette River, Oregon 1936-1980

Creator:: Lyons, Joseph Kevin
Abstract:: Time trends in flow and channel characteristics were evaluated for the Middle Fork Willamette (MFW) River, which drains a 668 km2 forested watershed in the Cascade Mountains of western Oregon. Timber production is the primary land use in the watershed. Analysis of precipitation and peak flow data from 1959 to...
Resource Type:: Masters Thesis

Variations in quality of water in a typical river cross-section

Creator:: Whitsell, Wilbur John
Resource Type:: Masters Thesis
Full Text:: , or both. In the case of the Willamette River it will of necessity be both. Obviously both control

The resources of Hood River County : inventory and prospect

Creator:: Baron, Adalbert Martin
Resource Type:: Masters Thesis
Full Text:: 16. Groa.p Irrigation Enterp:>iaes .36 17. A View of the Upper East F<*'k or the Hood River 37 18

An evaluation of the oxygen resources in the lower Willamette River during a critical low flow period

Creator:: Kari, Earl Nyhus
Abstract:: The lower Willamette River, located between river mile 4.0 and 26.5, is the most seriously polluted section of the Willamette River Basin. Low dissolved oxygen concentrations of 2.0 to 3.0 mg/1 are observed annually in this section of the river due to the pollutional loads discharged into it. Waste discharges...
Resource Type:: Masters Thesis
Full Text:: defined as that section or reach from river mile 4. 0 to river mile 26.5 at Oregon City Falls. The river

An analysis of guild structure of avian communities, Columbia River, Oregon

Creator:: Noyes, Cecilia Lea Barham
Abstract:: Effects of habitat and season on guild structure of avian communities were examined for islands in the estuary zone of the Columbia River, Oregon. Bird species were classified into guilds according to their major food item, typical foraging substrate, and foraging behavior. Variation in community structure indices (number of guilds,...
Resource Type:: Masters Thesis
Full Text:: , Columbia River, Oregon AN ABSTRACT OF THE THESIS OF Cecilia Lea Barham Noyes for the degree of Master of

Annual secondary production and community dynamics of benthic infauna in a Columbia River estuary mudflat

Creator:: Jones, Kim K.
Resource Type:: Masters Thesis
Full Text:: Community Dynamics of Benthic Infauna in a Columbia River Estuary Mudflat Abstract approved The benthic

ScholarsArchive@OSU

Dam removals and downstream bar-pool morphology

Historical Change and the Hydrogeomorphic Context of Present-day Floodplain Forests in the Willamette Valley, Oregon

The proposed Pelton Dam : a resource development problem

One-dimensional numerical model test and predictions for the Siuslaw Estuary

Influences of landslides, floods and land use on channel changes of the upper Middle Fork Willamette River, Oregon 1936-1980

Variations in quality of water in a typical river cross-section

The resources of Hood River County : inventory and prospect

An evaluation of the oxygen resources in the lower Willamette River during a critical low flow period

An analysis of guild structure of avian communities, Columbia River, Oregon

Annual secondary production and community dynamics of benthic infauna in a Columbia River estuary mudflat

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