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Filtering by: Alternative title ssim EC 706 Remove constraint Alternative title ssim: EC 706 Academic Affiliation College of Earth, Ocean, and Atmospheric Sciences Remove constraint Academic Affiliation: College of Earth, Ocean, and Atmospheric Sciences Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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Implementation of a gross anatomical maturity key for the study of spawning phenology and geography of Pacific cod (Gadus macrocephalus)

Creator:

Neidetcher, Sandra

Abstract:

Pacific cod (Gadus macrocephalus) is an important species, both economically and ecologically in the Bering Sea and Aleutian Islands (BSAI). However, little is known about its spawning dynamics. To address this knowledge gap, I developed a gross anatomical maturity key for Pacific cod to assess temporal and spatial patterns of...

Resource Type:

Masters Thesis
Applying a Dynamic Time Warping Approach to Stratigraphic Correlation: Quaternary Magnetostratigraphy and Ediacaran–Cambrian Chemostratigraphy

Creator:

Hagen, Cedric J.

Abstract:

Magneto- and chemostratigraphic correlation underpins much of our understanding of Earth history, yet typical correlation techniques are neither quantitative nor objective. Within this dissertation, I detail my efforts to develop and apply dynamic programming-based algorithms that accomplish optimal and reproducible stratigraphic alignment. I apply these algorithms to three geologic intervals:...

Resource Type:

Dissertation
Dose of reality : what can we learn from educational and veterinary pet owners to guide more effective environmental stewardship of pharmaceutical and personal care products (PPCPs)?

Creator:

Lam, Jennifer

Abstract:

Improper disposal of unused human and pet pharmaceuticals and personal care products (PPCPs) are an emerging public and watershed health threat around the world. Although some waste stream reduction programs such as PPCPs "take-back" exist, there is limited research in current programs on reducing the entry of PPCPs into the...

Resource Type:

Masters Thesis
Understanding large resurgent calderas and associated magma systems : the Pastos Grandes Caldera Complex, southwest Bolivia

Creator:

Kaiser, Jason Frederick, 1985-

Abstract:

The Pastos Grandes Caldera Complex (PGCC) in southwest Bolivia has produced two large-volume (≥800 km³ DRE) dacite ignimbrites from a nested caldera source over a period of 5.5 Myr. In addition to the large-volume ignimbrites, a small-volume ignimbrite shield and post-climactic lavas define this composite system. Based on detailed field...

Resource Type:

Dissertation
Petrologic Investigations into the Magmatic Processes That lead to Au, Ag, and Base Metal Fertility: Insights from Pebble, Alaska and the Emigrant Pass Volcanic Field, Nevada

Creator:

Olson, Nansen H.

Abstract:

Magmatic-hydrothermal ore deposits are giant geochemical anomalies in the earth’s crust most often generated by normal magmatic terrestrial processes. They are often associated with oxidized and hydrous intermediate to highly evolved magmas that have concentrated metals and have the necessary components to efficiently extract and transport them as ascending magmatic-hydrothermal...

Resource Type:

Dissertation
Fourth Oregon climate assessment report. State of climate science : 2019

Creator:

Mote, Philip W., Abatzoglou, John, Dello, Kathie D., Hegewisch, Katherine, Rupp, David E., and Oregon Climate Change Research Institute

Abstract:

This report, required by state law under HB3543, provides a comprehensive assessment of the state of science of climate change as it pertains to Oregon, covering the physical, biological, and social dimensions. The first chapter summarizes the current state of knowledge of physical changes in climate and hydrology, focusing on...

Resource Type:

Technical Report
The Global Overturning Circulation Since the Last Glacial Maximum Based on Marine Authigenic Neodymium Isotopes

Creator:

Du, Jianghui

Abstract:

The Global Overturning Circulation (GOC) is a major component of the global climate system. Understanding its behavior is pertinent to our prediction of climate change in the future. The lack of long-term observations of GOC in the modern instrumental era necessitates studies of GOC using paleoceanographic records. Of great interest...

Resource Type:

Dissertation
Understanding Molybdenum Isotope Dynamics in Terrestrial Environments

Creator:

King, Elizabeth K.

Abstract:

This dissertation works towards determining the mechanisms driving the Mo isotopic composition of soils, and how these signals may be used to refine the use of Mo as a proxy of biogeochemical processes. The first step towards quantifying Mo fractionation in soils is to determine the mechanisms controlling Mo accumulation,...

Resource Type:

Dissertation
Insights into Centennial-Scale Salt Marsh Morphodynamics from the Oregon Coast

Creator:

Peck, Erin K.

Abstract:

Quantification and comparison of morphological changes over the last ~300 y in Oregon salt marshes provide valuable insights into the tectonic, hydroclimatic, and anthropogenic processes shaping this important intertidal zone. Understanding of the rates and drivers of salt marsh change contextualizes intertidal habitats within the sediment routing system (i.e., source...

Resource Type:

Dissertation
Investigating Timescales of Resurgence at Large Calderas: Post-74 ka Activity at Toba Caldera, Sumatra, Indonesia

Creator:

Mucek, Adonara E.

Abstract:

The Toba Caldera Complex is the youngest resurgent caldera in the last 100 kyrs, formed from four overlapping eruptions starting 1.2 Myrs ago. The last caldera-forming eruption, the Youngest Toba Tuff eruption, occurred ~74 kyrs ago, emitting 2800 km3 of ash and pumice into the atmosphere and forming the caldera...

Resource Type:

Dissertation

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Academic Affiliation

College of Earth, Ocean, and Atmospheric Sciences[remove]11

Advisor

de Silva, Shanaka L.2
Brook, Edward J.1
Chan, Samuel S.1
Ciannelli, Lorenzo1
Creveling, Jessica R.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2013 to 2022

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Unknown 1

Committee Member

Anderson, Kim1
Belart, Francisca1
Brook, Edward J.1
Brophy, Laura S.1
Clark, Peter1
more Committee Members »

Creator

Abatzoglou, John1
Dello, Kathie D.1
du, Jianghui1
Hagen, Cedric J.1
Hegewisch, Katherine1
more Creators »

Contributor

Brook, Edward J.1

Date

Date range begin – Date range end

Current results range from 2012 to 2022

View distribution

Decade

2020-20293
2010-20198

Degree Field

Geology4
Ocean, Earth, and Atmospheric Science3
Earth, Ocean, and Atmospheric Sciences1
Marine Resource Management1
Oceanography1

Degree Level

Doctoral8
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)8
Master of Science (M.S.)2

Language

English [eng]11

License

All rights reserved10

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No10

Resource Type

Dissertation8
Masters Thesis2
Technical Report1

Rights Statement

In Copyright[remove]11

Subject

Calderas -- Bolivia1
Chemical oceanography1
Climatic changes -- Oregon -- Evaluation1
Geochronometry -- Bolivia1
Ignimbrite -- Bolivia1
more Subjects »

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