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Filtering by: Subject Nitrates -- Environmental aspects -- Oregon -- Morrow County Degree Field Water Resources Engineering

Stream channel stability and sensitivity to landscape history and land use changes in Kelley Creek, Portland, Oregon

Creator:

Murphy, Yarrow M.

Abstract:

This study examines stream channel erosion processes in a small urbanizing watershed influenced by deposits of the Columbia Basin catastrophic floods: Kelley Creek, a 12-km² tributary of Johnson Creek, located just east of Portland, Oregon. Information on landscape history, stream channels, and sediment dynamics was compiled. The effects of future...

Resource Type:

Masters Thesis

Full Text:

Landscape History and Land Use Changes in Kelley Creek, Portland, Oregon. Abstract approved
Chemical and isotopic patterns of nitrate variability in the southern Willamette Valley, Oregon

Creator:

Vick, Christopher Flanders

Abstract:

A relatively stable, persistent and historical problem with elevated NO₃⁻ concentrations in rural drinking wells in the southern Willamette Valley, Oregon is evident. What is the origin of NO₃⁻ in rural drinking water wells in this area? The answer to the question is not simple. Many non-point sources contribute to...

Resource Type:

Masters Thesis
Sediment transport modeling and implications for benthic primary producers in Oak Creek, OR

Creator:

Katz, Scott B.

Abstract:

The spatial and temporal variability of sediment transport processes in Oak Creek, OR was investigated and used to explore two study questions: 1) How do sediment transport processes influence benthic algal communities?, and 2) Can fluvial-hydraulic models make accurate predictions of bed load transport rates? Our study was conducted in...

Resource Type:

Masters Thesis

Full Text:

, OR – a small gravel bed stream in the Oregon Coast range. The study site is located in the same

ScholarsArchive@OSU

Stream channel stability and sensitivity to landscape history and land use changes in Kelley Creek, Portland, Oregon

Chemical and isotopic patterns of nitrate variability in the southern Willamette Valley, Oregon

Sediment transport modeling and implications for benthic primary producers in Oak Creek, OR

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