Index Catalog // ScholarsArchive@OSU

Post-fire vegetation response to snow in the western United States

Creator:: Blauvelt, Katie
Abstract:: The western United States is experiencing significant changes in wildfire and snow regimes as a result of warming temperatures. An amplification of wildfire activity and reduction in snow water equivalent, snow covered area, and earlier spring snowmelt are documented trends that are projected to continue into the future. With an...
Resource Type:: Masters Thesis
Full Text:: 2002 Biscuit Fire. The second objective was to assess the broad scale regional patterns of

Confirming the Lowland Creek Volcanic Field geochronology and activity overlying polymetallic vein deposits of the Mt. Thompson quadrangle in SW Montana

Creator:: Blessing, Jacob, Olson, Nansen, Sepp, Michael, and Mankins, Neal
Abstract:: There are few modern isotopic ages of igneous rocks and polymetallic (Pb-Zn-Ag-Cu-Au) hydrothermal mineral veins of the Mt. Thompson quadrangle in southwestern Montana. Lithology ages of this region vary from approximately 85-80 Ma Butte granite(Kbg) (Lund et al. 2002) to 48.6 Ma of Lowland Creek Volcanic Field (LCVF) (Dudas et...
Resource Type:: Poster
Full Text:: ., Hodges, W. C., du Bray, E. A., O’Neill, J. M., 2002. SHRIMP U-Pb 40Ar/39Ar Age Constraints for Relating

Submarine earthquakes, volcanic eruptions and ambient noise in the Northeast Pacific

Creator:: Haxel, Joseph H.
Abstract:: Passive hydrophone technologies and a variety of acoustic methods are applied in the deep-ocean and shallow water coastal environments of the northeast Pacific. A catalog derived from U.S. Navy regional hydrophone array recordings of acoustic T- phases from seafloor earthquakes is examined, describing space/time patterns through empirical orthogonal function analysis...
Resource Type:: Dissertation
Full Text:: system from 1991- 2002. A small, local array of ocean bottom hydrophones (OBH) deployed in 2006 at

Volatiles and Geochemical Fingerprinting of Plagioclase-Hosted Melt Inclusions from Mid-Ocean Ridge Lavas: Determination of Depth of Crystallization and Melt Composition in the Lower Crust

Creator:: Kotash, Alisa K.
Abstract:: The global mid-ocean ridge system is the largest magmatic system encompassing over 75% of the Earth’s total volcanism. As magmas ascend through the vertically variable oceanic crust, melts begin to crystallize and diversify and subsequently erupt at the surface. The interpretation of these erupted products observed on the seafloor requires...
Resource Type:: Dissertation
Full Text:: temperatures at 1-atmosphere. Following the approach by Moore et al. (2015) and Newman and Lowenstern (2002

Precipitation and winter temperature predict long-term range-scale abundance changes in Western North American birds

Creator:: Illán, Javier Gutiérrez, Thomas, Chris D., Jones, Julia A., Wong, Weng-Keen, Shirley, Susan M., and Betts, Matthew G.
Abstract:: Predicting biodiversity responses to climate change remains a difficult challenge, especially in climatically complex regions where precipitation is a limiting factor. Though statistical climatic envelope models are frequently used to project future scenarios for species distributions under climate change, these models are rarely tested using empirical data. We used long-term...
Resource Type:: Article
Full Text:: , 1998-11 2002 (mean AUC = 0.79 ± 0.01). Hindcast models performed equivalently (mean AUC = 0.82 12

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:: study period is summer 2002. Variability in the semi-diurnal internal (three-dimensional, baroclinic

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:: the number of hypoxic (e.g., < 1.4 ml l-1) stations sampled was low compared to 2002 and 2006 (only

Heat Flow along the Southern Costa Rica Margin : Insights on the Updip Limit of Seismicity

Creator:: Hass, Bridget M.
Abstract:: Heat flow analysis of the Costa Rica convergent margin is carried out for seven core sites drilled during Integrated Ocean Drilling Program (IODP) Expeditions 334 and 344 as part of the Costa Rica Seismogenesis Project (CRISP). These expeditions were designed to develop a better understanding of erosional subduction zones. Heat...
Resource Type:: Masters Thesis
Full Text:: earthquake and 2002 Mw 6.4 Osa Earthquake, occurs at cooler temperatures than the 100-150°C typically

A cooperative effort to track Humboldt squid invasions in Oregon

Creator:: Chesney, Tanya A.
Abstract:: Interannual variability of Humboldt squid (Dosidicus gigas) occurrence in the northern California Current System is largely unknown. In Oregon, the distribution of this versatile predator and what is influencing their range expansion from Mexico is poorly understood due to the recent nature of their "invasion" and a lack of monitoring....
Resource Type:: Masters Thesis
Full Text:: 2002-2011 from the Oregon coast to 131° west longitude. Correlation analyses were performed for

An experimental investigation of the effects of temperature and dissolved oxygen on the growth of juvenile English sole and juvenile Dungeness crab

Creator:: Bancroft, Morgan P.
Abstract:: In the past two decades, occurrences of summertime upwelling-driven low dissolved oxygen (DO) events, or hypoxia, have increased along the northeast Pacific coast. If hypoxic events are severe enough to cause marine species mortality, the areas affected are often called "dead zones." In 2002 and again in 2006, the events...
Resource Type:: Masters Thesis
Full Text:: zones.” In 2002 and again in 2006, the events were lethal, resulting in mass invertebrate and fish

ScholarsArchive@OSU

Post-fire vegetation response to snow in the western United States

Confirming the Lowland Creek Volcanic Field geochronology and activity overlying polymetallic vein deposits of the Mt. Thompson quadrangle in SW Montana

Submarine earthquakes, volcanic eruptions and ambient noise in the Northeast Pacific

Volatiles and Geochemical Fingerprinting of Plagioclase-Hosted Melt Inclusions from Mid-Ocean Ridge Lavas: Determination of Depth of Crystallization and Melt Composition in the Lower Crust

Precipitation and winter temperature predict long-term range-scale abundance changes in Western North American birds

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

An investigation of the distribution and abundance of ichthyoplankton and juvenile benthic fishes in relation to nearshore hypoxia within the Northern California Current system

Heat Flow along the Southern Costa Rica Margin : Insights on the Updip Limit of Seismicity

A cooperative effort to track Humboldt squid invasions in Oregon

An experimental investigation of the effects of temperature and dissolved oxygen on the growth of juvenile English sole and juvenile Dungeness crab

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