Index Catalog // ScholarsArchive@OSU

The Effects of the Flow Regime on Stream Channel Form and Processes

Creator:: Hempel, Laura A.
Abstract:: Numerous studies have explored how alluvial channel size and morphology are adjusted to different sediment and flow conditions, yet we still know very little about how and to what degree the flow regime controls channel form and processes. We use the term ‘channel form’ to refer to the size and...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Gordon E. Grant Numerous studies have explored how alluvial channel size and morphology

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Creator:: Nash, Caroline S.
Abstract:: Wet meadow ecosystems are a useful natural laboratory in which to explore feedbacks between biogenic and geologic controls on valley bottom landforms. Characterized by flat valley floors flanked by higher-gradient hillslopes, these meadows are singular both in that they represent depositional features in what is primarily an erosional environment, and...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________ Gordan E. Grant Wet meadow ecosystems are a useful natural

Will we need to change the rules : assessing the implications of climate change for dam operations in Oregon's McKenzie River Basin

Creator:: Danner, Allison G.
Abstract:: Dams and reservoirs are important components of water resource management systems, but their operational sensitivity to streamflow variability may make them vulnerable to climate change. Climate change is likely to affect the magnitude and timing of streamflow, motivating the assessment of potential impacts on dams and reservoirs. Here I examine...
Resource Type:: Masters Thesis
Full Text:: : _________________________________________________________________________________________________________ Gordon E. Grant Dams and reservoirs are important components of water resource management

Contrasting geomorphic responses to climatic, anthropogenic, and fluvial change across modern to millennial time scales, Clackamas River, Oregon

Creator:: Wampler, Peter J.
Abstract:: Geomorphic change along the lower Clackamas River is occurring at a millennial scale due to climate change; a decadal scale as a result River Mill Dam operation; and at an annual scale since 1996 due to a meander cutoff. Channel response to these three mechanisms is incision. Holocene strath terraces,...
Resource Type:: Dissertation

A stratigraphic approach to characterize the deposition and storage of organic matter in reservoir sediments

Creator:: Stratton Garvin, Laurel E.
Abstract:: The relationship between carbon burial and sedimentation in reservoirs is unknown, exposing gaps in our fundamental understanding of the transport, processing, and deposition of sediment and organic matter in fluvial and lacustrine systems and contributing to uncertainty in our understanding of the net impact of dams to the global carbon...
Resource Type:: Dissertation
Full Text:: Gordon E. Grant The relationship between carbon burial and sedimentation in reservoirs is

Entrainment, transport, and deposition of large woody debris in streams : results from a series of flume experiments

Creator:: Braudrick, Christian A.
Abstract:: Although there has been extensive research on the geomorphic and ecologic role of large woody debris (LWD) in streams, the dynamics of LWD in streams are poorly known due to various measurement difficulties during floods. In this thesis I present the results of two flume experiments on the dynamics of...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Abstract approved: Gordon E. Grant Julia A. Jo es Although there has been extensive

Recent periglacial debris flows from Mount Rainier, Washington

Creator:: Copeland, Elizabeth A.
Abstract:: Debris flow initiation is controlled by a complex interaction of geology, geomorphology, climate, and weather. In the Cascade Range of Pacific Northwest and mountainous areas globally, patterns of temperature and precipitation are being altered by climate change, which may in turn impact debris flow initiation. Temperature has increased and patterns...
Resource Type:: Masters Thesis
Full Text:: , Washington Abstract approved: _______________________________________________________ Gordon E

Climatic and physiographic controls on peakflow generation in the western Cascades, Oregon

Creator:: Perkins, Reed
Abstract:: Despite the importance of rain and snowmelt in causing peakflows in the Pacific Northwest, the interactive effects of a snowpack and watershed physiography on streamflow are largely undocumented. This study investigated the influence of soil and snowpack moisture on peakflow hydrograph shape in three small (< 60 ha) control sub-watersheds...
Resource Type:: Dissertation

Frequency and magnitude of bedload transport downstream of the Pelton-Round Butte Dam Complex, lower Deschutes River, Oregon

Creator:: Fassnacht, Heidi
Abstract:: A first-order approximation is made of the frequency and magnitude of bedload transport downstream of the Pelton-Round Butte Dam Complex, lower Deschutes River, Oregon with implications for salmonid spawning habitat. Field measurements of channel hydraulics, geometry, and particle size were combined with one-dimensional hydraulic and bedload transport models to determine...
Resource Type:: Masters Thesis
Full Text:: Complex, Lower Deschutes River, Oregon. Abstract approved: Peter C. Klin eman rdon E. Peter U

ScholarsArchive@OSU

The Effects of the Flow Regime on Stream Channel Form and Processes

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Will we need to change the rules : assessing the implications of climate change for dam operations in Oregon's McKenzie River Basin

Contrasting geomorphic responses to climatic, anthropogenic, and fluvial change across modern to millennial time scales, Clackamas River, Oregon

A stratigraphic approach to characterize the deposition and storage of organic matter in reservoir sediments

Entrainment, transport, and deposition of large woody debris in streams : results from a series of flume experiments

Recent periglacial debris flows from Mount Rainier, Washington

Climatic and physiographic controls on peakflow generation in the western Cascades, Oregon

Frequency and magnitude of bedload transport downstream of the Pelton-Round Butte Dam Complex, lower Deschutes River, Oregon

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