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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:: tested as acceptable by Utt (35). b) flow discharge in the head of the estuary (river mile 23. 7 or

Survival and behavior of juvenile steelhead trout (Oncorhynchus mykiss) in two small estuaries in Oregon

Creator:: Romer, Jeremy D.
Abstract:: A number of steelhead (Oncorhynchus mykiss) populations are at risk throughout Oregon, including five populations that are federally listed as threatened or endangered. However, little is known about behavior and survival of these fish as they transition from freshwater to seawater. We investigated whether estuarine survival varies on a temporal...
Resource Type:: Masters Thesis
Full Text:: 12 estuary. The Nehalem River is approximately 192 km in length, draining a watershed of

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

The life history of Corophium salmonis in the Columbia River estuary

Creator:: Wilson, Stephanie Lynn
Abstract:: The benthic amphipod Corophium salmonis was sampled seasonally from two sites (Desdemona Sands and Grays Bay) in the Columbia River estuary. Populations of C. salmonis at both sites were found to have a two generation per year life cycle, a spring generation and a fall generation. The spring generation juveniles...
Resource Type:: Masters Thesis

Tsunami propagation in large rivers : idealized cases and the Columbia River Estuary

Creator:: Kalmbacher, Kirk D.
Abstract:: The hazards associated with tsunamis are well known and have been studied for decades. The majority of research is, however, focused on open coastlines which bear the brunt of a tsunamis force. Other regions that can be strongly impacted by a tsunami are large estuaries. Here, the tsunami encounters a...
Resource Type:: Masters Thesis
Full Text:: Columbia River Estuary AN ABSTRACT OF THE THESIS OF Kirk D. Kalmbacher for the

Seasonal and tidal influence of the estuarine turbidity maximum on primary biomass and production in the Columbia River estuary

Creator:: Morgan, Stacey Rose
Abstract:: The Columbia River Estuary was sampled during high (May-June), intermediate (July), and low (September-October) river flow seasons to further define the role of the ETM with respect to its effect on primary biomass and production, and to discover how this effect changes in space and time. Strong ETMs were determined...
Resource Type:: Masters Thesis

Wave propagation processes at the mouth of the Columbia River

Creator:: Andes, Lisa (Lisa Christine)
Abstract:: The mouth of the Columbia River (MCR) has a longstanding reputation of hazardous navigational conditions. This reputation has been developing since the first ship, the Columbia, traversed through the inlet in 1792. The hazardous conditions are related to the large waves and strong tidal currents that are common in the...
Resource Type:: Masters Thesis

Life histories of juvenile chinook salmon in the Columbia River estuary : 1916 to the present

Creator:: Burke, Jennifer L.
Abstract:: Pacific Coast estuaries provide important rearing habitats leading to improved growth and survival for juvenile chinook salmon. However, research has suggested that juvenile salmon have little use for estuarine habitats in the Columbia River. To further understand salmonid recovery needs in estuaries, I compared historical and contemporary life history patterns...
Resource Type:: Masters Thesis
Full Text:: directly to the ocean Rear in freshwater, emigrate to the river or estuary for opportunistic growth and

Extrinsic and Intrinsic Factors Associated with Reproductive Success of Caspian Terns (Hydroprogne caspia) at East Sand Island, Columbia River Estuary

Creator:: Bailey, Olivia A.
Abstract:: Declines in wild salmonid (Oncorhynchus spp.) populations in the Columbia River basin have resulted in managers identifying that avian predation on juvenile salmonids is an important limiting factor for salmonid recovery. Caspian Terns (Hydroprogne caspia), particularly those nesting in the Columbia River estuary, were identified as key avian predators that...
Resource Type:: Masters Thesis
Full Text:: ) at East Sand Island, Columbia River Estuary. Abstract approved

ScholarsArchive@OSU

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

Survival and behavior of juvenile steelhead trout (Oncorhynchus mykiss) in two small estuaries in Oregon

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

The life history of Corophium salmonis in the Columbia River estuary

Tsunami propagation in large rivers : idealized cases and the Columbia River Estuary

Seasonal and tidal influence of the estuarine turbidity maximum on primary biomass and production in the Columbia River estuary

Wave propagation processes at the mouth of the Columbia River

Life histories of juvenile chinook salmon in the Columbia River estuary : 1916 to the present

Extrinsic and Intrinsic Factors Associated with Reproductive Success of Caspian Terns (Hydroprogne caspia) at East Sand Island, Columbia River Estuary

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