Index Catalog // ScholarsArchive@OSU

Advancements in the Monitoring of Forests and Quantification of Live Aboveground Biomass Using Moderate Resolution Spaceborne Multispectral Imagery and Synthetic Aperture Radar Data

Creator:: Kilbride, John B.
Abstract:: The objective of this dissertation is to enhance the monitoring of forest ecosystems through the utilization of remotely sensed data to address the exigencies posed by the Anthropocene. On a global scale, rising temperatures and fluctuating precipitation patterns have strained forests and produced shifts in natural disturbance regimes. Additionally, the...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF John B. Kilbride for

Blowout and spill occurrence model

Creator:: Sim, Lawrence H.
Abstract:: To assist with risk-assessment with deepwater and ultra-deepwater prospects for offshore energy extraction as well as provide a useful tool for oil spill response, a spatially-explicit model was developed for comprehensive simulations of a blowout event from the wellhead to final fate and degradation. The Blowout and Spill Occurrence Model...
Resource Type:: Masters Thesis
Full Text:: Spill Occurrence Model Abstract approved: James J. Graham To assist with

An Exploration of Climate Change, Conservation, and Cooperation, in Three Essays

Creator:: Johnson, Steven Mana'oakamai
Abstract:: The defining feature of our planet are the oceans, which make up 70% of the Earth’s surface. The importance of the ocean cannot be understated: 50% of oxygen originates from phytoplankton; heat is absorbed and redistributed by ocean currents; and hundreds of millions of people rely on the ocean for...
Resource Type:: Dissertation
Full Text:: Three Essays. Abstract approved: __________________________________________ James R. Watson

Evaluating the effectiveness of illuminated and shadowed contour lines

Creator:: Eynard, James D.
Abstract:: Illuminated contour lines, where line width and color are varied based on an angle of illumination, date back to the mid-nineteenth century, but their effectiveness compared to conventional contour lines has not been fully examined. Currently, illuminated contour lines are not widely used in computer-based cartography because they are not...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF James D. Eynard for

Mobility Push Factors: Modeling the Influences of Natural Disasters on Migration Flows and Adaptation Interventions on Coastal Housing Prices

Creator:: Rose, Stefan A.
Abstract:: Natural disasters are an increasingly costly and frequent occurrence globally and in the United States (IPCC, 2012; IPCC, 2014; Berlemann & Steinhardt, 2017). Discrete disaster events, such as coastal flooding, have been shown to be push factors in temporary and long-term migration (Black et al., 2013). Policy efforts to adapt...
Resource Type:: Masters Thesis

Effects of land use policy on urban growth rates in the Willamette Valley, Oregon

Creator:: Davis, Ellen and Davis, Ellen H.
Abstract:: This study seeks to determine the correlation between changes in statewide land use planning policies and the resulting periods of high or low urban growth in the Willamette Valley, Oregon using automated classification methods and freely available satellite imagery. To protect its farms, forests and open spaces, Oregon became the...
Resource Type:: Capstone Project
Full Text:: ………………………………………………………………............ References……………………………………………………………………….. Appendix A……………………………………………………………………… Appendix B

Climate Variability and Plant-Pollinator Networks in the Cascade Range, Oregon

Creator:: Vickers, Melinda
Abstract:: Worldwide, networks of plants and pollinators are faced with the threat of climate change. The extent of this threat and the degree of adaptability is not yet understood. In Oregon, climate change is predicted to bring hotter and drier summers which may have consequences for pollinators and the resources they...
Resource Type:: Masters Thesis
Full Text:: ..………………………………………………………………...... 2 B. Bees…...………………………………………………………………...... 7 C. Flowers & bees

Risky business : evaluating the vulnerability and impacts from simulated oil spills in the Gulf of Mexico

Creator:: Nelson, Jake R.
Abstract:: Exploration and production of oil in the Gulf of Mexico has seen an astonishing increase since the first well was drilled in 1936. Much of the current exploration is occurring in waters greater than 5000 feet. The largest and most unprecedented oil spill in the United States occurred on April...
Resource Type:: Masters Thesis

Spatio-temporal patterns and trends in MODIS-retrieved radiative forcing by snow impurities over the Western U.S. from 2001 - 2022

Creator:: Jensen, Anna S.
Abstract:: Seasonal mountain snowpack of the western US (WUS) is a key water resource to millions of people. Impurities at the snow surface directly affect snowmelt timing and rate, as they contribute to earlier peak streamflow, snow disappearance, and less water availability in dry months. Predicting the locations, timing, and intensity...
Resource Type:: Capstone Project
Full Text:: Western USA from 2001 - 2022. (b) Snow RF variability Within-Basin. The greatest within sub-basin

Bridging Data and Theory: Developing Physics Informed Machine Learning for Snow Hydrology

Creator:: Steele, Hannah
Abstract:: Snow is a critical component of global climate regulation and provides water resources to over one billion people worldwide. Yet current measurement methods and modeling techniques lack the ability to fully capture snow characteristics such as snow water equivalent (SWE), snow depth, and density variable landscapes. In recent years, the...
Resource Type:: Masters Thesis
Full Text:: …………………………………………………………...17 3. Conceptual diagrams of how an LSTM (a), hybrid (b) and PGNN (c) cell functions to

ScholarsArchive@OSU

Advancements in the Monitoring of Forests and Quantification of Live Aboveground Biomass Using Moderate Resolution Spaceborne Multispectral Imagery and Synthetic Aperture Radar Data

Blowout and spill occurrence model

An Exploration of Climate Change, Conservation, and Cooperation, in Three Essays

Evaluating the effectiveness of illuminated and shadowed contour lines

Mobility Push Factors: Modeling the Influences of Natural Disasters on Migration Flows and Adaptation Interventions on Coastal Housing Prices

Effects of land use policy on urban growth rates in the Willamette Valley, Oregon

Climate Variability and Plant-Pollinator Networks in the Cascade Range, Oregon

Risky business : evaluating the vulnerability and impacts from simulated oil spills in the Gulf of Mexico

Spatio-temporal patterns and trends in MODIS-retrieved radiative forcing by snow impurities over the Western U.S. from 2001 - 2022

Bridging Data and Theory: Developing Physics Informed Machine Learning for Snow Hydrology

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