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Filtering by: Creator Miller, Heather M. Remove constraint Creator: Miller, Heather M. Academic Affiliation College of Earth, Ocean, and Atmospheric Sciences Remove constraint Academic Affiliation: College of Earth, Ocean, and Atmospheric Sciences Degree Field Oceanography Remove constraint Degree Field: Oceanography

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Modeling Transport, Retention, and Growth of Early Life Stages of Small Pelagic Fishes in the Southern Humboldt System

Creator:

Gomez, Fabian A.

Abstract:

Small pelagic fishes (SPF), such as anchovies and sardines, are ecologically important due to their large abundance and intermediate trophic position that links plankton production to upper trophic levels. They are also economically important, supporting large fisheries that contribute to one fourth of the world fish landings. Reproductive success in...

Resource Type:

Dissertation

Full Text:

patterns strongly determine individual growth and survival. Passive individuals initialized at 5 m depth
Establishing suitability of an ocean model for a poleward undercurrent study

Creator:

Duran, Rodrigo

Abstract:

Modifications of an ocean model are described, as the objective for which the model was used changed to study the kinematics and dynamics of an eastern-boundary poleward undercurrent.

Resource Type:

Capstone Project

Full Text:

Rodrigo Duran 1 Advisor: Prof. Roger M. Samelson Committee: Prof. Ricardo Matano and Dr. David Rivas
Distribution, Abundance, and Settlement of Slope-spawning Flatfish during Early Life Stages in the Eastern Bering Sea

Creator:

Sohn, Dongwha

Abstract:

Changes in environmental conditions in marine ecosystems could directly or indirectly influence distribution, abundance, settlement, and size at settlement of flatfish. Understanding species-specific and age-specific responses to environmental variability is important for managing commercially important flatfish stocks. Slope-spawning flatfish whose offspring rely on extensive drift from the slope (spawning) to...

Resource Type:

Dissertation

Full Text:

committee members, Janet Duffy-Anderson, Harold P. Batchelder, Jessica A. Miller, and Michael Behrenfeld
An investigation of the distribution and abundance of ichthyoplankton and juvenile benthic fishes in relation to nearshore hypoxia within the Northern California Current system

Creator:

Johnson, Angela M.

Abstract:

Nearshore hypoxia within the Northern California Current (NCC) system is a seasonal phenomenon caused by coastal upwelling and occurs mainly during late-summer and early fall. The effects of low oxygen levels on fish and invertebrate communities, particularly during early-life history stages, however, are poorly known for this area. I investigated...

Resource Type:

Masters Thesis

Full Text:

AN ABSTRACT OF THE THESIS OF Angela M. Johnson for
Satellite observations of the inﬂuence of mesoscale ocean eddies on near-surface temperature, phytoplankton and surface stress

Creator:

Gaube, Peter

Abstract:

The influence of mesoscale ocean eddies on near-surface ocean temperature, surface stress and phytoplankton communities is investigated by collocating numerous satellite measurements along with vertical profiles of oceanic temperature and salinity to the interiors of eddies identified and tracked in altimetric sea surface height maps. The surface currents associated with...

Resource Type:

Dissertation

Full Text:

(Novem- ber - April). A contour interval of 0.1 mmol m−3 and range og 0.2− 1.0 mmol m−3 were chosen so
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:

currents may be in excess of 0.3 m/s. Analyses of the slope flows using a passive tracer released
Tidal-band and high-frequency internal variability on the central Oregon inner shelf

Creator:

Suanda, Sutara H.

Abstract:

Analogous to ocean surface waves, waves in the ocean interior also experience steepening, breaking, and dissipation as they approach the coastline. Much less is known about this internal beach. In this work, extensive moored Acoustic Doppler Current Profiler and temperature/salinity data together with optical remote sensing are combined to describe...

Resource Type:

Dissertation

Full Text:

pixel intensity during wind speeds between 2 - 5 m s−1. Optical measurements show that internal waves
The Responses of Slope-spawning Flatfish to Environmental Variability in the Eastern Bering Sea

Creator:

Vestfals, Cathleen D.

Abstract:

When adult spawning and juvenile settling locations of marine fishes are geographically separated, their early life history stages must rely on transport and their own behavior to move them toward suitable habitats for successful recruitment to the juvenile phase. Variations in climate may reduce the availability of spawning and juvenile...

Resource Type:

Dissertation

Full Text:

cannot thank you enough for your friendship and also for teaching me how to program in R. To Heather
Data assimilation for prediction of shallow water flows with uncertain bathymetry

Creator:

Wilson, Gregory W.

Abstract:

A new method is introduced for incorporating bathymetric uncertainty into predictions of nearshore and river flows (i.e., unstratified flows primarily forced by pressure and radiation stress gradients). The method involves the use of the ensemble Kalman filter (EnKF) as a parameter estimation scheme, where the parameter to be estimated is...

Resource Type:

Dissertation

Full Text:

(and probably neither did they) but in the end it has been invaluable. Robert Miller, my “sixth
Bioenergetics and behavior of the krill Euphausia pacifica in the California Current System off the Oregon coast

Creator:

Lindsey, Brie J.

Abstract:

Euphausia pacifica, the North Pacific krill, is a key grazer in the California Current System and an important prey item for consumers such as salmon, seabirds, and whales. As a crucial link between phytoplankton and higher trophic levels, it is essential to understand both the behavior and bioenergetics of this...

Resource Type:

Dissertation

Full Text:

Diatom Concentration (mmolN m-‐3) ……………….… 125 Figures

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Academic Affiliation

College of Earth, Ocean, and Atmospheric Sciences[remove]17

Advisor

Ciannelli, Lorenzo5
Batchelder, Harold P.3
Barth, John A.2
Spitz, Yvette H.2
Chelton, Dudley B.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2012 to 2017

View distribution

Committee Member

Brodeur, Richard2
Davis, Curtiss2
Dever, Edward P.2
Duffy-Anderson, Janet T.2
Lerczak, James2
more Committee Members »

Creator

Duran, Rodrigo1
Gaube, Peter1
Gomez, Fabian A.1
Johnson, Angela M.1
Kavanaugh, Maria T.1
more Creators »

Date

Date range begin – Date range end

Current results range from 2011 to 2019

View distribution

Decade

2010-201917

Degree Field

Oceanography[remove]17

Degree Level

Doctoral13
Master's4

Degree Name

Doctor of Philosophy (Ph.D.)13
Master of Science (M.S.)4

Language

English [eng]17

License

All rights reserved16
Attribution 4.0 (CC BY 4.0)1

Non-Academic Affiliation

Oregon State University. Graduate School16

Peer Reviewed

No17

Resource Type

Dissertation13
Masters Thesis3
Capstone Project1

Rights Statement

In Copyright17

Subject

Upwelling (Oceanography) -- Oregon -- Pacific Coast3
Continental shelf -- Oregon -- Pacific Coast2
Acanthurus -- Larvae -- Dispersal -- Caribbean Sea1
Acanthurus -- Larvae -- Dispersal -- Kenya -- Indian Coast1
Acanthurus -- Larvae -- Dispersal -- Tanzania -- Indian Coast1
more Subjects »

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