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Subsurface currents off the Oregon coast

Creator:: Stevenson, Merritt R.
Resource Type:: Dissertation
Full Text:: SUBSURFACE CURRENTS OFF THE OREGON COAST Abstract approved___ Major professor) Ninety-nine drogues were set

Macroscale to local scale variation in rocky intertidal community structure and dynamics in relation to coastal upwelling

Creator:: Freidenburg, Tess L.
Abstract:: Understanding how large-scale processes (>100 kms) influence ecological communities is currently a major focus in ecology. In marine systems, coastal upwelling, a large-scale oceanographic process in which surface water pushed offshore by winds is replaced by cold, nutrient-rich water from depth, appears to cause variation in rocky intertidal communities. Along...
Resource Type:: Dissertation
Full Text:: central Oregon coast upwelling occurs intermittently during the summer while on the southern coast it

The effect of river discharge and wind forcing on the Oregon coastal ocean during fall and winter

Creator:: Mazzini, Piero Luigi Fernandes
Abstract:: Freshwater provided from river discharge influences the dynamics and circulation of most continental shelves around the world. It has profound effects on the transport and fate of materials and substances originated from rivers and estuaries, as well as on the ocean biogeochemistry and marine ecosystems. The effect of buoyancy forcing...
Resource Type:: Dissertation
Full Text:: Oregon coast are studied here, with an emphasis on the downwelling season (fall/winter). Six years of

Description and analysis of dietary preference of lingcod in the nearshore zone, Oregon

Creator:: Tinus, Craig A.
Abstract:: The lingcod (Ophiodon elongatus) is an important groundfish species in both recreational and commercial fisheries of the Northeastern Pacific. It is a large, fast-growing, generalist predator of invertebrates and fishes. In response to concerns that lingcod may limit populations of rockfishes (Sebastes spp.), I compared the diets of 375 adult...
Resource Type:: Dissertation
Full Text:: the Oregon Coast is that lingcod are unlikely to be a major threat to protected rockfish stocks

Inner-shelf circulation off the central Oregon Coast

Creator:: Kirincich, Anthony R.
Abstract:: Inner-shelf circulation and mechanisms of across-shelf transport of water masses were examined using seven years of observations collected by the Partnership for Interdisciplinary Studies of Coastal Oceans (PISCO) program, a long-term monitoring effort along the central Oregon coast. Since 1998, moored velocity and hydrographic measurements have been obtained during the...
Resource Type:: Dissertation
Full Text:: Circulation off the Central Oregon Coast. Abstract approved: John A. Barth Inner-shelf circulation and

Role of protist grazing in the Oregon upwelling system

Creator:: Neuer, Susanne
Resource Type:: Dissertation

Ecological subsidies to rocky shore communities : setting the stage for community dynamics in the Northeast Pacific

Creator:: Krenz, Christopher
Abstract:: This dissertation focuses on the importance of pelagic subsidies in the Northeast Pacific to rocky shore community regulation. My results document the patterns of pelagic subsidy supply, determine if those subsidies are correlated with community structure, and examine if community regulation differs between areas of high- and low-subsidies. Understanding how...
Resource Type:: Dissertation
Full Text:: consistent and occurs over a longer season than along the Oregon coast north of Cape Blanco. The regional

Interactions of wind-driven and tidally-driven circulation in the Oregon coastal ocean

Creator:: Osborne, John J.
Abstract:: Influences of tidal and slower (subtidal) oceanic flows over the continental shelf and slope off Oregon are studied using a high-resolution ocean circulation model and comparative model-data analyses. The model is based on the Regional Ocean Modeling System (ROMS), a fully nonlinear, three-dimensional model (using hydrostatic and Boussinesq approximations). The...
Resource Type:: Dissertation
Full Text:: around Cape Blanco, a prominent geographical feature on the Oregon coast, where the surface diurnal

The role of oxygen and other environmental variables on survivorship, abundance, and community structure of invertebrate meroplankton of Oregon nearshore coastal waters

Creator:: Eerkes-Medrano, Dafne I.
Abstract:: The high productivity of Eastern Boundary Upwelling Ecosystems (EBUE), some of the most productive ecosystems in the globe, is attributed to the nutrient rich waters brought up through upwelling. Climate change scenarios for coastal upwelling systems, predict an intensification of coastal upwelling winds. Associated with intensification in upwelling are biogeochemical...
Resource Type:: Dissertation
Full Text:: conditions representative of the nearshore environment of the Oregon coast. Results revealed a wide range

Processes of sea-cliff erosion on the Oregon coast : from neotectonics to wave run-up

Creator:: Shih, Shyuer-ming
Abstract:: Sea-cliff erosion is a significant problem along the Oregon coast in that many communities have been built on terraces affected by bluff retreat. There is considerable coast-wide variability in the rates of cliff erosion. This variability is attributed in part to tectonic activity that is causing differential interseismic uplift along...
Resource Type:: Dissertation

ScholarsArchive@OSU

Subsurface currents off the Oregon coast

Macroscale to local scale variation in rocky intertidal community structure and dynamics in relation to coastal upwelling

The effect of river discharge and wind forcing on the Oregon coastal ocean during fall and winter

Description and analysis of dietary preference of lingcod in the nearshore zone, Oregon

Inner-shelf circulation off the central Oregon Coast

Role of protist grazing in the Oregon upwelling system

Ecological subsidies to rocky shore communities : setting the stage for community dynamics in the Northeast Pacific

Interactions of wind-driven and tidally-driven circulation in the Oregon coastal ocean

The role of oxygen and other environmental variables on survivorship, abundance, and community structure of invertebrate meroplankton of Oregon nearshore coastal waters

Processes of sea-cliff erosion on the Oregon coast : from neotectonics to wave run-up

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