Index Catalog // ScholarsArchive@OSU

Sensitivity analysis of the Catchment Modeling Framework (CMF) and use in evaluating two agricultural management scenarios

Creator:: Metta, John W. P.
Abstract:: Abstract Watershed-scale fate/transport modeling of contaminants is a tool that scientists and land managers can use to assess pesticide contamination to stream systems. The Catchment Modeling Framework (CMF) is a catchment-scale fate/transport modeling tool. It was developed to help scientists and land managers assess the effects of possible land-use decisions...
Resource Type:: Masters Thesis
Full Text:: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 2.11 Residual water content values vs. Nash-Sutcli�e e�ciencies for 500 model runs

Novel Experimental Designs and Mathematical Models to Study Fecal Indicator Bacteria Persistence in Surface Water

Creator:: Brooks, Lauren
Abstract:: High counts of fecal indicators, used to signal the potential presence of pathogens associated with untreated waste, result in the classification of water bodies throughout the United States as impaired. Nonpoint sources of unknown origin that contribute to fecal contamination make management of impaired waters challenging, as they are difficult...
Resource Type:: Dissertation
Full Text:: Mathematical Models to Study Fecal Indicator Bacteria Persistence in Surface Water by Lauren Brooks

Heat source : stream, river and open channel temperature prediction

Creator:: Boyd, Matthew S.
Abstract:: Reach defined analysis concentrated on the water temperature change that occurred in a stream/river segment over the course of one full diurnal cycle. Digital thermistors, data loggers and computer model development were utilized in reach analysis to link parameters of the stream system to a specific temperature change. The methodology...
Resource Type:: Masters Thesis
Full Text:: that may ameliorate undesired water temperatures. The development of the computer model Heat Source

Numerical computation of free surface water flow

Creator:: Kuhnert, Jorg
Abstract:: The present thesis is a report of investigations on a model for computing the water flow in the wave tank of the OSU Wave Laboratory. A wave board, established at one end of the 100 m long, 4 m wide and 6 m deep wave tank, produces water waves by...
Resource Type:: Masters Thesis

Modeling the Tualatin River system including Scoggins Creek and Hagg Lake: model description, geometry, and forcing data

Creator:: Wells, Scott A., Berger, Christopher, Knutson, Mike, and Oregon State University. Water Resources Research Institute
Abstract:: The goal of this phase of the study was to develop a model of the Tualatin River incorporating Scoggins Creek and Hagg Lake. This tool will be used in conjunction with a hydrologic model, the EPA HSPF model (Johnson, Imhoff, and Kittle, 1984), to analyze management strategies to improve water...
Resource Type:: Technical Report
Full Text:: Water Quality Modeling, as well as by DEQ for in- house analyses. The model is 1991 . a steady-state

Applying uncertainty and sensitivity on thermal hydraulic subchannel analysis for the multi-application small light water reactor

Creator:: Brigantic, Adam
Abstract:: Small modular reactors (SMRs) are a recent advancement in commercial nuclear reactor design with growing interest worldwide. New SMR concepts, such as the Multi-Application Small Light Water Reactor (MASLWR), must undergo a licensing processes established by the U.S. Nuclear Regulatory Commission (NRC) prior to commercial operation. Given the lack of...
Resource Type:: Masters Thesis
Full Text:: mathematical system model. Epistemic uncertainty results from the inability to know an appropriate value for

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:: more general model for infiltration of rainfall, evaporation, and redistribution of water and solutes

The Effects of Layered Differences in Hydraulic Conductivity of Groundwater : An Estimation of Residence Time for Solute Transport

Creator:: McCarthy, Alexander J.
Abstract:: In order to determine how contaminants from pharmaceutical, agriculture, and industry will move through groundwater systems, it is imperative to further our understanding of the relationship between physical, biological, and chemical properties of aquifers and transport and transformation of these products. Several studies have explored how heterogeneities in groundwater systems...
Resource Type:: Masters Thesis
Full Text:: has carried over into studies conducted with the Toth basin model as a foundation is that “the water

Mass balance analysis of suspended solids in the Tualatin River

Creator:: Vedanayagam, Samuel, Nelson, Peter O., and Oregon State University. Water Resources Research Institute
Abstract:: The purpose of this study was to develop a mass-balance model for total suspended solids in the Tualatin River in order to better understand the clarity-turbidity problem in the river. Major sources and sinks of suspended solids in the river were identified, and seasonal effects were explored. The study also...
Resource Type:: Technical Report
Full Text:: river mile 56 .3 as part o f the water rights allotted to OWRD . The model assumes the water

Beehive model creation for use in determining radiation dose to beeswax and bee larvae

Creator:: Jia, Junwei
Abstract:: Honeybees and honey combs are good indicators of environmental contamination and can be important for dose calculations. In the event of reactor accidents and nuclear weapon testing, the released radioactive materials are likely to be transported through various environmental pathways as well as by humans and animals, including bees. Due...
Resource Type:: Masters Thesis
Full Text:: . Title: Beehive Model Creation for Use in Determining Radiation Dose to Beeswax and Bee Larvae

ScholarsArchive@OSU

Sensitivity analysis of the Catchment Modeling Framework (CMF) and use in evaluating two agricultural management scenarios

Novel Experimental Designs and Mathematical Models to Study Fecal Indicator Bacteria Persistence in Surface Water

Heat source : stream, river and open channel temperature prediction

Numerical computation of free surface water flow

Modeling the Tualatin River system including Scoggins Creek and Hagg Lake: model description, geometry, and forcing data

Applying uncertainty and sensitivity on thermal hydraulic subchannel analysis for the multi-application small light water reactor

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

The Effects of Layered Differences in Hydraulic Conductivity of Groundwater : An Estimation of Residence Time for Solute Transport

Mass balance analysis of suspended solids in the Tualatin River

Beehive model creation for use in determining radiation dose to beeswax and bee larvae

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