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Filtering by: Alternative title ssim Frequencies of daily precipitation amounts at Eugene, Oregon Committee Member Cuenca, Richard 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

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Cascade and Coast Range Mountains of Oregon. Major cities include Albany, Corvallis, and Eugene (see
Assessment of ground water recharge and quality under agricultural production in Lane County, Oregon

Creator:

Shelby, Patrick M.

Abstract:

Assessment of the environmental impacts of an agricultural production system requires information on both soil water quality and solute flux. Passive Capillary Samplers (PCAPS), which sample water from the vadose zone using fiber glass wicks, have shown potential to provide both flux and solute concentration in unsaturated zone sampling but...

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Masters Thesis

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depicting major cities, highways, rivers, and distribution of study sites 4 2. Climatic data at Eugene
Evaluation of techniques for on-farm monitoring of percolation and irrigation system performance

Creator:

Louie, Michael J.

Abstract:

Efficient use of water in agricultural production involves accurate assessment and control of the quantity and spatial uniformity of excess percolation. Passive Capillary Samplers (PCAPS), which sample water from the vadose zone have shown potential to provide superior estimates of soil water flux compared to alternative methods. In a four-year...

Resource Type:

Masters Thesis

Full Text:

. Precipitation was measured with a non-recording gauge at the Eugene Weather Center. For the first year of the

ScholarsArchive@OSU

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

Assessment of ground water recharge and quality under agricultural production in Lane County, Oregon

Evaluation of techniques for on-farm monitoring of percolation and irrigation system performance

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