Index Catalog // ScholarsArchive@OSU

A study of residual Cesium 137 contamination in southwestern Utah soil following the nuclear weapons tests at the Nevada Test Site in the 1950's and 1960's

Creator:: Bentley, R. Blair
Abstract:: The Nevada Test Site (NTS) was the location for at least 100 above ground Nuclear Weapons tests during the 1950's and early 1960's. Radioactive fallout from these tests spread to many areas north and west of the NTS. According to estimates from the NCI and DOE, Washington County, Utah was...
Resource Type:: Masters Thesis
Full Text:: 28, 2008 Title: A Study of Residual Cesium 137 Contamination in Southwestern Utah Soil Following

Adsorption of hexavalent and trivalent chromium to a clayey silt soil : batch kinetic and equilibrium studies

Creator:: Bean, Gregory R.
Abstract:: Chromium, an element of widespread use, is toxic in some forms. Improper disposal of waste chromium products has resulted in contamination of many sites throughout the United States, including the United Chrome Products Superfund site in Corvallis, Oregon. A better understanding of chromium chemistry is needed to facilitate the remediation...
Resource Type:: Masters Thesis
Full Text:: clayey silt soil : batch kinetic and equilibrium studies AN ABSTRACT OF THE THESIS OF Gregory R. Bean

Ammonia-oxidizer and denitrifier populations in boreal forest soils of differing nitrogen availability

Creator:: Burton, Marci S.
Abstract:: Nitrification and denitrification are major biological processes transforming nitrogen (N) in soils to plant available N, highly leachable nitrate (NO₃⁻) and gaseous N oxides. Although many studies in the past have studied N cycling communities, the effect of increased N inputs on ammonia-oxidizer and denitrifier population dynamics is still under...
Resource Type:: Masters Thesis
Full Text:: ). Ammonia-oxidizing and denitrifying processes in soil are influenced by environmental factors, primarily

An overview of the Oregon Water Quality Decision Aid (OWQDA) : a tool for assessing groundwater contamination risk from specific soil-pesticide combinations

Creator:: Huddleston, J. H. (James Herbert), 1942- and Oregon State University. Extension Service
Abstract:: The Oregon Water Quality Decision Aid (OWQDA) is a first-tier screening tool that allows you to make a broad determination of the likelihood that a specific chemical, when applied to a specific Oregon soil, will move through the soil and contaminate groundwater. This determination is called the groundwater vulnerability rating.
Resource Type:: Technical Report
Full Text:: assessing groundwater contamination risk from specific soil-pesticide combinations J.H. Huddleston The

Analysis of Carbon-14 Transport from a Contaminated Groundwater Source

Creator:: Napier, Jonathan Bamberger
Abstract:: Radioecology observes the movement of radioactive isotopes throughout the environment. For radioecology, locations of study are limited to areas accidentally contaminated from a number of sources. The Chalk River Laboratories of Atomic Energy of Canada Limited have stored low level waste since the mid 1940s. In certain instances, the wastes...
Resource Type:: Dissertation
Full Text:: . Groundwater, soil gas, and plant samples were collected to observe vertical profiles of stable and

Assessing Soil Salinity from Produced Water Spills with Electromagnetic Induction : A Case Study on Cropland in Bottineau County, North Dakota

Creator:: Erickstad, Karen M.
Abstract:: Produced water is a highly saline waste product of oil and gas production, which is generated in larger volumes than the hydrocarbons themselves in the United States. Spillage of produced water is of concern because its high salinity can contaminate soil, surface water and groundwater resources, and kill vegetation, including...
Resource Type:: Masters Thesis
Full Text:: Karen M. Erickstad for the degree of Master of Science in Environmental Sciences presented on June 15

Association of hydrophobic organic compounds with dissolved soil organic carbon

Creator:: Ochs, Michael
Abstract:: Volatile hydrophobic compounds (HOCs) brought into soil and sediment systems represent a serious threat to the environment. Dissolved organic carbon (DOC) may exert an important influence over the total aqueous solubility and mobility of organic pollutants through their incorporation into micelles or the formation of soluble complexes. To date, however,...
Resource Type:: Masters Thesis
Full Text:: their comments with respect to this thesis. The departments of Soil Science (and Environmental

Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

Creator:: Schroth, Martin Herbert
Abstract:: Chromium spills on soils are causing severe groundwater contamination problems. To increase the performance of cleanup methods, the chemical behavior of chromium in soils and its transport through soils have to be understood. The objectives of this research were to investigate the sorption characteristics of chromium(VI) in soil and to...
Resource Type:: Masters Thesis
Full Text:: ., "The Behaviour Of Cr(VI) In Soil Under Aerobic And Anaerobic Conditions," Environmental Pollution

Contemporary forest road management with economic and environmental objectives

Creator:: Thompson, Matthew P.
Abstract:: One of the basic questions facing transportation planners and road managers is how to provide and maintain a road system that provides efficient access to the forest while limiting adverse effects roads can have on water and soil resources. The purpose of this study is to develop decision support models...
Resource Type:: Dissertation
Full Text:: Environmental Objectives Abstract approved: John Sessions One of the basic questions facing

Deep soil nitrogen survey, Lower Umatilla Basin, Oregon

Creator:: del Nero, Zachary Augustus
Abstract:: Soils of 49 agricultural and 2 "native condition" sites in the Lower Umatilla Basin, Oregon were sampled for nitrate-nitrogen, ammonium-nitrogen, chloride, and pH beginning in Fall of 1992. Several sites were sampled in Spring and Fall 1993 in order to indicate movement or loss of residual soil nitrogen over time....
Resource Type:: Masters Thesis
Full Text:: Deep soil nitrogen survey, Lower Umatilla Basin, Oregon AN

ScholarsArchive@OSU

A study of residual Cesium 137 contamination in southwestern Utah soil following the nuclear weapons tests at the Nevada Test Site in the 1950's and 1960's

Adsorption of hexavalent and trivalent chromium to a clayey silt soil : batch kinetic and equilibrium studies

Ammonia-oxidizer and denitrifier populations in boreal forest soils of differing nitrogen availability

An overview of the Oregon Water Quality Decision Aid (OWQDA) : a tool for assessing groundwater contamination risk from specific soil-pesticide combinations

Analysis of Carbon-14 Transport from a Contaminated Groundwater Source

Assessing Soil Salinity from Produced Water Spills with Electromagnetic Induction : A Case Study on Cropland in Bottineau County, North Dakota

Association of hydrophobic organic compounds with dissolved soil organic carbon

Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

Contemporary forest road management with economic and environmental objectives

Deep soil nitrogen survey, Lower Umatilla Basin, Oregon

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