Index Catalog // ScholarsArchive@OSU

Interannual and interdecadal variability in the timing and strength of the spring transitions along the United States west coast

Creator:: Bilbao, Pablo A.
Abstract:: Past studies of the Oregon and Washington coast have shown a rapid change in the coastal ocean conditions with the onset of upwelling in spring. This process, called the spring transition marks the change from winter to summer conditions along the west coast of Unites States. To examine the interannual...
Resource Type:: Masters Thesis
Full Text:: ....................................................................................43 4.1 Seasonal Cycle of Adjusted Sea Level and Coastal Upwelling Index along the West Coast of

Variability in mesoscale circulation and its effects on zooplankton distribution in the Northern California Current

Creator:: Keister, Julie Eileen
Abstract:: In eastern boundary current upwelling ecosystems, mesoscale circulation features such as eddies and upwelling filaments play a prominent role in the transfer of water and the associated plankton from the productive nearshore to the oligotrophic deep sea. The relationship between mesoscale circulation, zooplankton distributions, and the across-shelf transport of coastal...
Resource Type:: Dissertation
Full Text:: circulation off the U.S. Pacific coast during specific cruises or over a few years. Eddy kinetic energy and

Bio-physical interactions of small pelagic fish schools and zooplankton prey in the California Current System over multiple scales

Creator:: Kaltenberg, Amanda May
Abstract:: Small pelagic fish represent a critical trophic link between plankton and large predators in marine upwelling ecosystems such as the California Current System. Populations of these fish are highly variable over time and are characterized by extreme fluctuations in abundance, which have significant ecosystem impacts. The causes driving this instability...
Resource Type:: Dissertation
Full Text:: Cumulative upwelling index at 45˚N, 125˚W for each year, 2003 to 2009, from the Pacific Fisheries

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

Role of protist grazing in the Oregon upwelling system

Creator:: Neuer, Susanne
Resource Type:: Dissertation

Studies on the spatial variability of phytoplankton physiology and biomass in the Oregon upwelling system

Creator:: Sanders, Rachel B.
Abstract:: The Oregon upwelling system is a region of high biomass and primary productivity as well as strong mesoscale variability. In order to examine the interaction of physical forcing and ecosystem dynamics, four 3-week sampling cruises were conducted in the Oregon upwelling system as part of the Northeast Pacific Global Ocean...
Resource Type:: Masters Thesis
Full Text:: Upwelling System 1 Introduction A central question in biological oceanography is how physical forcing and

Diatom taphocoenoses in the coastal upwelling areas off western South America

Creator:: Schuette, Gretchen and Schrader, Hans
Abstract:: Diatom floral analysis of 116 sediment surface samples obtained off Peru reveals a boundary in the sediments between coastal upwelling influenced sediments and sediments outside the highly productive realm. Sinuous patterns of relative abundance for meroplanktic species (Actinocyclus octonarius, Actinoptychus senarius, and Cyclotella striata/stilorum) may preserve the meander-like patterns of...
Resource Type:: Technical Report
Full Text:: Coastal Upwelling Areas on Western South America by 0. Schuette H. Schrader OREGON STATE UNIVERSITY

Coastal upwelling experiment hydrographic data report : June-August 1973

Creator:: Huyer, Adriana, 1945- and Gilbert, William E.
Abstract:: Hydrographic observations were made over the continental shelf and slope off Oregon during the 1973 Coastal Upwelling Experiment (CUE-II) from three ships: R/V OCEANOGRAPHER, R/V THOMAS G. THOMPSON, and R/V YAQUINA. This report contains the observations made on four YAQUINA cruises between June and August 1973 (Table I). Observations were...
Resource Type:: Technical Report
Full Text:: Oretmn t re ITniversity OCEANOGRAPHY // OREGON STATE UNIVERSITY COASTAL UPWELLING EXPERIMENT

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:: and northern California coast. However, the recruitment patterns in the upwelling transition area

Coastal transition zone experiment - 1988 : rapid sampling vertical profiler observations

Creator:: Dewey, R. K., Moum, J. N., Caldwell, D. R., Sullivan, T. C., Baer, J. T., Kreth, R. D., and Neeley-Brown, M. D.
Abstract:: Temperature, salinity, density and turbulent dissipation profiles measured using the Rapid Sampling Vertical Profiler during the Coastal Transition Zone Experiment, July 1988.
Resource Type:: Technical Report
Full Text:: WASC (,C PS6.U7;+, yep.. IIege of OCEANOGRAPHY

ScholarsArchive@OSU

Interannual and interdecadal variability in the timing and strength of the spring transitions along the United States west coast

Variability in mesoscale circulation and its effects on zooplankton distribution in the Northern California Current

Bio-physical interactions of small pelagic fish schools and zooplankton prey in the California Current System over multiple scales

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

Role of protist grazing in the Oregon upwelling system

Studies on the spatial variability of phytoplankton physiology and biomass in the Oregon upwelling system

Diatom taphocoenoses in the coastal upwelling areas off western South America

Coastal upwelling experiment hydrographic data report : June-August 1973

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

Coastal transition zone experiment - 1988 : rapid sampling vertical profiler observations

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