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Groundwater flow model for the lower Malheur Basin near Ontario, Oregon

Creator:: Walker, David S.
Abstract:: The shallow, poorly-confined, sand and gravel aquifer underlying the lower Malheur River basin is contaminated by nitrate and metabolites of the herbicide dimethyl tetrachloroterephthalate (DCPA), first detected in 1983 and 1985, respectively. The aquifer supplies water for the Ontario municipal water system, domestic and industrial uses, and irrigation. In response...
Resource Type:: Masters Thesis
Full Text:: Basin Near Ontario, Oregon Redacted for Privacy Abstract approved: r4onathan D. Istok The shallow

A numerical model for the fate and transport of chlorinated phenols in groundwater

Creator:: Lee, Sang Bong
Abstract:: The objective of this study was to develop a numerical model for the movement and fate of chlorinated phenols in groundwater. In the first part, a numerical model for several different equilibrium and nonequilibrium sorption processes under isothermal conditions is developed for one-dimensional, steady-state water flow in soil columns. The...
Resource Type:: Dissertation
Full Text:: privacy Abstract Approved: Jonathan D. Istok The objective of this study was to develop a numerical

Watershed modeling at Yucca Mountain, Nevada

Creator:: Britch, Michael J.
Abstract:: Studies are currently underway to determine the suitability of Yucca Mountain in Nevada as the nation's first high-level nuclear waste repository. Values of net infiltration are required to determine pre-waste emplacement groundwater travel times and the performance of the repository as a waste containment system. The objective of this study...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Jonathan D. Istok Studies are currently underway to determine the suitability of

A method for quantifying macroporosity

Creator:: Vermeul, Vincent R.
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Jonathan D. Istok A method was developed for determining the number, shape and size

Experimental design of physical aquifer models for evaluation of groundwater remediation strategies

Creator:: Humphrey, Mark D.
Abstract:: Groundwater resources have become seriously threatened due to improper use by industrial, municipal, and even public sectors. Widespread contamination of aquifer systems has jeopardized human health and the environment and methods for restoring these systems are needed. Biological and chemical in situ remediation, where contaminants are degraded within the natural...
Resource Type:: Masters Thesis
Full Text:: : Jonathan D. Istok Groundwater resources have become seriously threatened due to improper use by

Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Creator:: Fry, Virginia A., 1959-
Resource Type:: Dissertation
Full Text:: . Chevron Research and Technology. also funded this research CONTRIBUTION OF AUTHORS Jonathan D. Istok

Multiphase flow in homogeneous and bedded porous media

Creator:: Schroth, Martin H.
Resource Type:: Dissertation
Full Text:: . Abstract approved. 9epi.f.tANwy\Jonathan D. Istok Use of well-characterized porous media can improve the

A kinetic model for dissolved gas transport in the presence of trapped gas

Creator:: Donaldson, Jeremy H.
Abstract:: Understanding the processes involved in the transport of dissolved gas plumes in groundwater aquifers is essential for comprehending the effect that these transport processes can have on site characterization and remedial design applications. Previous laboratory and field studies have indicated that dissolved gas transport in groundwater can be greatly affected...
Resource Type:: Masters Thesis
Full Text:: in the Presence of Trapped Gas. Abstract approved: Jonathan D. Istok Understanding the

Spatial and temporal characteristics of groundwater levels adjacent to beaver ponds in Oregon

Creator:: Sharps, Diana E.
Abstract:: This study was undertaken to evaluate the spatial and temporal characteristics of riparian groundwater tables adjacent to beaver ponds. The research was conducted in two parts; in the first portion a two-dimensional, finite-difference computer model was developed and utilized to simulate groundwater elevations through time in pond-adjacent aquifers. Two types...
Resource Type:: Masters Thesis

Depositional and diagenetic model for the Middle Devonian Denay Limestone, northern Antelope Range, Eureka County, Nevada

Creator:: Hoffmann, Heidi
Abstract:: Deposition of the Middle Devonian part of the Denay Limestone and Bay State Dolomite in the northern Antelope Range and Fish Creek Range, respectively, took place on and in front of a carbonate platform with a lime sand shoal at the shelf edge. In the Givetian part of the Denay...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Groundwater flow model for the lower Malheur Basin near Ontario, Oregon

A numerical model for the fate and transport of chlorinated phenols in groundwater

Watershed modeling at Yucca Mountain, Nevada

A method for quantifying macroporosity

Experimental design of physical aquifer models for evaluation of groundwater remediation strategies

Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Multiphase flow in homogeneous and bedded porous media

A kinetic model for dissolved gas transport in the presence of trapped gas

Spatial and temporal characteristics of groundwater levels adjacent to beaver ponds in Oregon

Depositional and diagenetic model for the Middle Devonian Denay Limestone, northern Antelope Range, Eureka County, Nevada

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