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Filtering by: Subject Peppermint -- Fertilizers -- Oregon -- Willamette River Valley Committee Member Haggerty, Roy

Hydrologic and vegetation responses associated with restoration of wetlands in the Willamette Valley, Oregon

Creator:

Coleman, Gregory A.

Abstract:

I examined hydrological and plant community changes associated with the implementation of a restoration management plan in two riparian meadows located within an agricultural landscape of the central Willamette Valley, Oregon. I established exclosure fencing (a form of passive restoration) in one agricultural field and established fencing and plugged a...

Resource Type:

Masters Thesis

Full Text:

the central Willamette Valley, Oregon. I established exciosure fencing (a form of passive restoration
Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

Creator:

Iverson, Justin

Abstract:

The Willamette Silt is a surficial geologic unit composed of successive Missoula Flood Deposits that underlies 3100 km2 (1200 mil) of arable land in the Willamette Valley of Oregon. The Willamette Silt protects the underlying regionally important Willamette Aquifer from agricultural contamination while acting as a semi-confining unit and a...

Resource Type:

Masters Thesis

Full Text:

Willamette Valley of Oregon. Abstract approved Roy D. Haggerty The Willamette Silt is a surficial
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

ScholarsArchive@OSU

Hydrologic and vegetation responses associated with restoration of wetlands in the Willamette Valley, Oregon

Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

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

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