Index Catalog // ScholarsArchive@OSU

Uncertainty, risk and forest management on the Tillamook State Forest : a case study

Creator:: Stander, Hendrik C.
Abstract:: Forest management is typically associated with a high degree of uncertainty, since it relies on predictions of natural growth processes over long periods of time. A number of methods exist for mitigating the risk associated with this uncertainty, but few have the ability to explicitly minimize risk. This study will...
Resource Type:: Dissertation
Full Text:: Tillamook State Forest A Case Study AN ABSTRACT OF THE DISSERTATION OF Hendrik C. Stander

Quantification of Copper Speciation in Pulp and Paper Wastewater and Implications for the Biotic Ligand Model

Creator:: Mitzel, Joseph M.
Abstract:: The purpose of this research was to measure the copper-binding behavior of Dissolved Organic Matter (DOM) contained in Pulp and Paper (P&P) wastewater effluent and evaluate the Biotic Ligand Model’s (BLM) ability to quantify copper speciation in P&P influenced waters. A copper ion selective electrode was used to measure copper...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ____________________________________________________________________ Jeffrey A

Evaluation of copper removal from stormwater runoff using compost and Apatite II™

Creator:: Silvertooth, Jason R.
Abstract:: Low concentrations of dissolved copper have proven to be harmful to a number of aquatic organisms, with recent research highlighting detrimental effects to endangered salmonid species. Stormwater runoff can represent a significant source of copper to surface waters, necessitating cost-effective alternatives to current stormwater best management practices (BMPs). This study...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Jeffrey A. Nason Low concentrations of dissolved copper have proven to be harmful to

Copper Speciation in Wastewater-Impacted Surface Waters

Creator:: Mosbrucker, Ariel M.
Abstract:: This study investigates the relationship between total and ionic copper in samples taken from the Tualatin River and wastewater treatment facilities (WWTFs) that discharge into the Tualatin River. Copper speciation was analyzed by determining conditional stability constants and densities of copper binding ligands on the dissolved organic matter (DOM) in...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Ariel M. Mosbrucker for the degree of Master of Science in Environmental

Heteroaggregation between citrate-stabilized gold nanoparticles and hematite colloids : mechanisms and quantification of nanoparticle-colloid interactions

Creator:: Smith, Brian M.
Abstract:: Understanding the aggregation behavior of engineered nanomaterials (ENMs) in aqueous environments is essential to understanding their fate, transport, and toxicity. Because naturally occurring colloids will likely be present at much higher concentrations than ENMs in environmental systems, heteroaggregation and attachment with these natural colloids could significantly influence ENM fate and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Brian M. Smith for the degree of Master of Science in Environmental

Natural Organic Matter Surface Coverage as a Predictor of Heteroaggregation between Nanoparticles and Colloids

Creator:: Oney, Dylan M.
Abstract:: Heteroaggregation of nanoparticles with naturally occurring colloids has been shown to be an important process in nanoparticle fate and transport in the aquatic environment. The advent of a functional assay to measure heteroaggregation attachment efficiencies has opened the door for further mechanistic studies. It is well known that natural organic...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Dylan M. Oney

The assessment of copper and zinc removal from highway stormwater runoff using Apatite II™

Creator:: Huang, Hsiao-Wen
Abstract:: Copper and zinc are heavy metals commonly present in highway stormwater runoff. Discharge of these metals to surface waters inhabited by sensitive aquatic species including threatened and endangered salmonids has necessitated the need for improved treatment techniques. Although copper is of the greater toxicological concern, zinc is often present at...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Jeffrey A. Nason Copper and zinc are heavy metals commonly present in highway

Effects of biocide treatment on durability and fungal colonization of teak, western redcedar, and redwood

Creator:: Cabrera Orozco, Yohanna
Abstract:: Treating durable, second-growth or plantation-grown material with supplemental chemicals could improve durability while enhancing the uniformity of the products. To test this hypothesis, the effect of two candidate biocide treatments on the durability of teak, redwood, and western redcedar was assessed in a ground proximity field test established in Hawaii....
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Jeffrey J. Morrell Natural durability is generally lower in wood coming from second-growth

A role for ceramide accumulation in age-related cardiac mitochondrial dysfunction

Creator:: Monette, Jeffrey S.
Abstract:: Ceramides are a group of lipids in the sphingolipid family that are potent cell signaling molecules. Elevations in ceramide levels above the norm generally lead to apoptosis. Evidence from in vitro studies suggests that accumulation of ceramides within mitochondria leads to dysfunction of the mitochondria. This includes inhibition of the...
Resource Type:: Dissertation
Full Text:: Subpopulations Jeffrey S. Monette, Luis A. Gómez, Régis F. Moreau, Brett A. Bemer, Alan W. Taylor, and Tory M

The US Department of Defense Environmental Assessment and Management (TEAM) Guide : critical review and case study

Creator:: Hepler, Jeffrey A.
Abstract:: In 1994, the US Army Corps of Engineers (USACE) implemented a new audit tool developed by the US Department of Defense (DOD) called "The Environmental Assessment and Management Guide" (TEAM Guide). The TEAM Guide uses an extensive menu of checklists to determine compliance. In November 1994, the USACE Portland District...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jeffrey A. Hepler for the degree

ScholarsArchive@OSU

Uncertainty, risk and forest management on the Tillamook State Forest : a case study

Quantification of Copper Speciation in Pulp and Paper Wastewater and Implications for the Biotic Ligand Model

Evaluation of copper removal from stormwater runoff using compost and Apatite II™

Copper Speciation in Wastewater-Impacted Surface Waters

Heteroaggregation between citrate-stabilized gold nanoparticles and hematite colloids : mechanisms and quantification of nanoparticle-colloid interactions

Natural Organic Matter Surface Coverage as a Predictor of Heteroaggregation between Nanoparticles and Colloids

The assessment of copper and zinc removal from highway stormwater runoff using Apatite II™

Effects of biocide treatment on durability and fungal colonization of teak, western redcedar, and redwood

A role for ceramide accumulation in age-related cardiac mitochondrial dysfunction

The US Department of Defense Environmental Assessment and Management (TEAM) Guide : critical review and case study

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