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Filtering by: Academic Affiliation Geosciences Remove constraint Academic Affiliation: Geosciences Committee Member Wildenschild, Dorthe Remove constraint Committee Member: Wildenschild, Dorthe

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Quantification of the nitrate attenuation capacity of low-permeability Missoula Flood deposits in the Willamette Valley of Oregon

Creator:

Arighi, Louis M.

Abstract:

Low-permeability geologic units may offer significant chemical and hydraulic protection of adjacent aquifers, and are important for managing groundwater quality, especially in areas with significant non-point source contamination. Nitrate in the Willamette Valley is attenuated across the Willamette Silt, a semi-confining unit overlying a regionally important aquifer. To quantify the...

Resource Type:

Masters Thesis
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
Temporal and spatial variability of groundwater nitrate in the southern Willamette Valley of Oregon

Creator:

Mutti, Jeffrey Glenn

Abstract:

Groundwater nitrate contamination is a well-documented issue in the Southern Willamette Valley (SWV) of Oregon, as a Groundwater Management Area (GWMA) has recently been declared. As a GWMA, groundwater nitrate monitoring must occur until regional concentrations are below 7 mg/L NO3-N. However, the presence of temporal variability can make it...

Resource Type:

Masters Thesis
Hydrogeologic field investigation and groundwater flow model of the southern Willamette Valley, Oregon

Creator:

Craner, Jeremy D.

Abstract:

Elevated groundwater nitrate (NO3 -) concentrations in the Southern Willamette Valley (SWV) caused the Oregon Department of Environmental Quality (ODEQ) to declare a Groundwater Management Area (GWMA) in Spring, 2004. To better understand direction of groundwater flow, groundwater age, and nitrate transport pathways of the SWV we developed a steady-state...

Resource Type:

Masters Thesis

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Academic Affiliation

Geosciences[remove]4
Biological and Ecological Engineering1

Advisor

Haggerty, Roy D.2
Bolte, John P.1
Haggerty, Roy1
Matzke, Gordon1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2005 to 2008

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Committee Member

Wildenschild, Dorthe[remove]4
Bolte, John1
Cuenca, Richard1
Glick Andrews, Gail1
Kimerling, A. Jon1
more Committee Members »

Creator

Arighi, Louis M.1
Craner, Jeremy D.1
Metta, John W. P.1
Mutti, Jeffrey Glenn1

Date

Date range begin – Date range end

Current results range from 2004 to 2007

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Decade

2000-20094

Degree Field

Geology3
Biological and Ecological Engineering1
Geography1
Water Resources Science1

Degree Level

Master's4

Degree Name

Master of Science (M.S.)4

File Format

application/pdf3

Language

English [eng]4

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No3

Resource Type

Masters Thesis4

Rights Statement

In Copyright4

Subject

Groundwater -- Pollution -- Oregon -- Willamette River Valley2
Hydrogeology -- Oregon -- Willamette River Valley2
Nitrates -- Environmental aspects -- Oregon -- Willamette River Valley2
Groundwater -- Nitrogen content -- Oregon -- Willamette River Valley1
Groundwater -- Quality1
more Subjects »

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