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Browsing Theses, Dissertations and Student Research Papers (Geology) by Author

Browsing Theses, Dissertations and Student Research Papers (Geology) by Author "Haggerty, Roy"

Now showing items 1-10 of 10

Dynamics of the Laurentide Ice Sheet

Carlson, Anders Eskil (2006-02-23)

This dissertation concentrates on the controlling factors on the instability of the Laurentide Ice Sheet (LIS) and their effects on abrupt climate change. Northern Hemisphere climate fluctuated abruptly during the last d ...
Hydrogeologic field investigation and groundwater flow model of the southern Willamette Valley, Oregon

Craner, Jeremy D. (2006-04-05)

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. ...
Hydrology and geomorphic evolution of basaltic landscapes, High Cascades, Oregon

Jefferson, Anne (Anne Jarvis) (2006-10-13)

The basaltic landscapes of the Oregon High Cascades form a natural laboratory for examining how geologic setting and history influence groundwater flowpaths, streamflow sensitivity to climate, and landscape evolution. In ...
Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

Iverson, Justin (2002-04-26)

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 under ...
Patterns and processes of sediment transport following sediment-filled dam removal in gravel bed rivers

Stewart, Gregory B. (2006-05-04)

Dam removal is increasingly viewed as a river restoration tool because dams affect so many aspects of river hydrology, geomorphology, and ecology; but removal also has impacts. When a dam is removed, sediment accumulate ...
A preliminary assessment of hydrogeologic suitability for Aquifer Storage and Recovery (ASR) in Oregon

Woody, Jen (2008-01-02)

An ASR metric and site rating index applied to over 120 municipal and agricultural locations across Oregon, combined with comparison to case study data from existing ASR sites, indicate that more than 50% of selected s ...
Relationships between landscape stability, clay mineralogy, and stream turbidity in the South Santiam watershed, Western Cascades, Oregon

Pearch, John M. (2000-06-01)
Spatial and temporal trends in bed material and channel morphology below a hydroelectric dam complex, Deschutes River, Oregon

McClure, Ellen M. (1997-01-20)

River regulation imposes changes in the supply of sediment and the frequency of competent flows. As a result, impounded rivers often exhibit downstream changes in channel processes, particle size, and morphology. The mag ...
Stream channel response to peak flows in a fifth-order mountain watershed

Faustini, John M. (2000-04-27)

This investigation explored how the magnitude, style, and frequency of channel adjustments vary spatially and over time within a 5th-order mountain watershed. Historical data sets, including repeated cross section surv ...
Tracer experiments in a non-uniform porous medium : implications of diffusive mass transfer on the late-time breakthrough behavior

Freiherr von Schwerin, Claudius (2001-11-20)

Mass transfer processes were evaluated in an artificial, non-uniform porous medium with a power law distribution of diffusion rate coefficients obtained from physical characterization of solute and porous medium. Breakth ...