Index Catalog // ScholarsArchive@OSU

The development and application of benthic classifications for coral reef ecosystems below 30 m depth using multibeam bathymetry : Tutuila, American Samoa

Creator:: Lundblad, Emily Ruth
Abstract:: Coral reef ecosystems are the most diverse on earth, and their subsistence is being threatened by natural and adverse anthropogenic patterns and processes. In an effort to understand and protect these marine environments, several programs have outlined strategies and initiatives. For example, the United States Coral Reef Task Force’s Mapping...
Resource Type:: Masters Thesis

Reactive transport modeling in a discrete fracture : applications to the formation of sericitic hydrothermal alteration at Butte, Montana

Creator:: Geiger, Sebastian
Abstract:: A model for the spatial and temporal evolution of the gray sericitic (GS) and sericite with remnant biotite (SBr) hydrothermal alteration selvages within the Butte Quartz Monzonite (BQM) of the porphyry copper deposit at Butte, Montana, is presented. The model provides a mathematical description for the location and advance of...
Resource Type:: Masters Thesis

A hydrogeologic study and groundwater model of Parrett Mountain, Oregon

Creator:: Healy, Robert Peter
Abstract:: This thesis presents a hydrogeologic study of the Parrett Mountain Region, located approximately 20 miles south of Portland, Oregon. The aim of the study was to investigate the impacts of Columbia River Basalt on the regional groundwater system, to expand our understanding of flow through fractured basalt, to improve management...
Resource Type:: Masters Thesis

Ice surface reconstruction and energy balance modeling of alpine glaciers

Creator:: Poellot, Colin Daniel
Abstract:: Glacial deposits on San Francisco Mountain, Arizona, were mapped in order to provide constraints on ice extents in separate valleys for late Pleistocene glacial events. Qualitative and semi-quantitative relative dating methods were employed in order to correlate moraines between drainages and to provide a basis for distinguishing between separate glacial...
Resource Type:: Masters Thesis

Subglacial hydrology of the Lake Michigan Lobe, Laurentide Ice Sheet

Creator:: Breemer, Christopher W.
Abstract:: Fast ice flow and unstable ice sheet behavior were characteristic features of the Lake Michigan Lobe of the southern Laurentide Ice Sheet. Such behavior may result from some combination of subglacial-sediment deformation and decoupled sliding at the ice-bed interface. Both mechanisms depend on high water pressure relative to ice pressure....
Resource Type:: Masters Thesis

The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study

Creator:: Schütfort, Erwin G.
Abstract:: The San Vicente zinc lead deposit is located in the Eastern Andes of Central Peru. The deposit is an epigenetic Mississippi Valley-type deposit based on stratigraphic, geologic, petrographic, and geochemical evidence. The dolomite host rocks of the Pucara Group are of Triassic-Jurassic age. The source of metals are red sandstones...
Resource Type:: Masters Thesis

Estimation of global arable and irrigable land using GIS

Creator:: Wise, Daniel R.
Abstract:: As part of a study to determine the history and potential for conflict in international freshwater basins, an estimate was made of the location of arable and irrigable land in the world. Knowledge about the world's arable and irrigable land was desired since this information could be an indicator of...
Resource Type:: Capstone Project

A point-data analysis of the Southern Oscillation Index (SOI) and its relationship to seasonal precipitation in the northwest United States

Creator:: Worley, Timothy J.
Abstract:: El Niflo and La Nifia are oceanographic and atmospheric phenomena that have been catalogued for well over a centuly. In El Nifio years, Peru's otherwise thy west coast is subjected to torrential rainfall. Higher ocean temperatures off the coast are deemed the culprit. Attempts to quantify this began in the...
Resource Type:: Capstone Project

GIS based riparian area management plans : recommendations to local governments of the Columbia River Estuary Study Taskforce

Creator:: Tolzman, Stephen A.
Abstract:: This paper evaluates Oregon Statewide Planning Goal 5: Natural Resources and Goal 17 Coastal Shorelands, planning programs and makes recommendations for improvement to the Oregon members of the Columbia River Estuary Study Task Force (CREST). CREST is a Council of Governments formed in 1974 which includes the local counties, cities...
Resource Type:: Capstone Project

A review and assessment of network concepts and their applications in geography and related disciplines

Creator:: Versluis, Anna J.
Abstract:: Networks are a structure common to many disciplines. Research on networks has taken different forms in domains such as graph theory, sociology, vascular networks, small-world networks, geomorphology, ecology, evolution and engineering. Networks may be modeled as non-spatial networks (unvalued graphs), which contain only topological information, or as spatial networks (valued...
Resource Type:: Capstone Project

ScholarsArchive@OSU

The development and application of benthic classifications for coral reef ecosystems below 30 m depth using multibeam bathymetry : Tutuila, American Samoa

Reactive transport modeling in a discrete fracture : applications to the formation of sericitic hydrothermal alteration at Butte, Montana

A hydrogeologic study and groundwater model of Parrett Mountain, Oregon

Ice surface reconstruction and energy balance modeling of alpine glaciers

Subglacial hydrology of the Lake Michigan Lobe, Laurentide Ice Sheet

The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study

Estimation of global arable and irrigable land using GIS

A point-data analysis of the Southern Oscillation Index (SOI) and its relationship to seasonal precipitation in the northwest United States

GIS based riparian area management plans : recommendations to local governments of the Columbia River Estuary Study Taskforce

A review and assessment of network concepts and their applications in geography and related disciplines

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