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Filtering by: Subject Sediments (Geology) -- Oregon -- Siletz River Estuary Decade 2000-2009

Patterns of sediment accumulation in the Siletz River Estuary, Oregon

Creator:

Pakenham, Anna

Abstract:

Anecdotal evidence suggests many Pacific Northwest estuaries are filling with sediment due to historical logging activities in upstream watersheds. Using the Siletz River estuary as a case study, this research began by analyzing timber harvest and discharge records of the Siletz River watershed, and found that increased timber harvest coincides...

Resource Type:

Masters Thesis

Full Text:

Patterns of Sediment Accumulation in the Siletz River Estuary, Oregon by Anna Pakenham A
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:

Pudding River, located approximately one mile SW of Mt. Angel, Oregon, agreed to allow the piezometer