Index Catalog // ScholarsArchive@OSU

Spatial and temporal runoff response to snowmelt, and the influence of geomorphology in a headwater catchment, central eastern Cascades, Washington

Creator:: Alley, David
Abstract:: This report presents a nested gauging study of streamflow variability from three sub-catchments (150-200 ha in area) of the Burns Creek catchment (565 ha) in the Entiat Experimental Forest of central Washington State. We test and reject the hypothesis that headwater catchments of this size are composed of physically and...
Resource Type:: Capstone Project
Full Text:: . Abstract Approved: __________________________________________________________ Jeffrey J. McDonnell

Hillslope hydrology : from patterns to processes

Creator:: Tromp-van Meerveld, Hilda J.
Abstract:: This dissertation re-examines the now standard perceptual model of hillslope hydrological response to rainfall, which includes the growth of a saturated wedge at the soil-bedrock interface or impeding layer. It also challenges the notion of bedrock impermeability and the assumption that the pattern of subsurface stormflow is determined by the...
Resource Type:: Dissertation
Full Text:: : ________________________________________________________________________ Jeffrey J. McDonnell This dissertation re-examines the now standard perceptual model of

Water residence time and runoff generation in the western Cascades of Oregon

Creator:: McGuire, Kevin J.
Abstract:: The age, or residence time of water is a fundamental descriptor of catchment hydrology, revealing information about the storage, flow pathways and source of water in a single integrated measure. While there has been tremendous recent interest in residence time to characterize catchments, there are few studies that quantify residence...
Resource Type:: Dissertation

Hydro-biogeochemical coupling at the hillslope and catchment scale

Creator:: van Verseveld, Willem J.
Abstract:: The specific objectives of this dissertation are to determine subsurface flow behaviors across different antecedent wetness conditions from a top-down perspective and to mechanistically assess the hydrological controls on DOC and N transport at the hillslope and catchment scale. The study area is a small catchment where hillslopes issue directly...
Resource Type:: Dissertation
Full Text:: approved:______________________________________________________ Jeffrey J. McDonnell The specific

Measurement and modeling the physical controls of snowmelt in the Pacific Northwest

Creator:: Mazurkiewicz, Adam B.
Abstract:: The physical controls of snowmelt in the Pacific Northwest (PNW) are poorly understood. While there have been numerous field and modeling investigations at the plot and watershed scale, few studies have identified how the snow energy balance (EB) components vary in importance both spatially and temporally. The identification of how...
Resource Type:: Masters Thesis
Full Text:: Northwest Abstract approved: —————————————————————————————————— Jeffrey J. McDonnell The

A macroscale measurement and modeling approach to improve understanding of the hydrology of steep, forested hillslopes

Creator:: Graham, Christopher Brian
Abstract:: The dominant controls on flow generation in steep, forested hillslopes are poorly understood. This dissertation examined the dominant flow processes operating at the hillslope scale, using a combined macroscale measurement and model development and analysis framework. Irrigation experiments at two steep forested hillslopes were conducted to isolate individual hillslope flow...
Resource Type:: Dissertation
Full Text:: Understanding of the Hydrology of Steep, Forested Hillslopes Abstract approved: Jeffrey J McDonnell

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Creator:: Barnard, Holly Rene
Abstract:: The links between forests, streamflow, and climate are poorly understood. Despite hundreds of studies over the past 60 years, fundamental questions of forests' effects on the hydrologic cycle remain unanswered. The hydrological cycle involves mutually-dependent biological and physical processes that operate at multiple scales of time and space, and this...
Resource Type:: Dissertation
Full Text:: -fir Forest Abstract approved: Barbara J. Bond Jeffrey J. McDonnell The links

Chemical and environmental factors affecting pesticide volatilization from turfgrass

Creator:: Conway, Michael S.
Abstract:: Volatile loss rates of pesticides from turfgrass were measured using the Backward-Time Lagrangian Stochastic Dispersion model (Flesch et al., 1995). Solar radiation, ambient temperature, surface temperature, relative humidity, wind direction, and wind speed were monitored continuously. Growth regulator was applied to the turf plot several days before pesticide application to...
Resource Type:: Masters Thesis
Full Text:: FACTORS AFFECTING PESTICIDE VOLATILIZATION FROM TURFGRASS. Abstract approved Jeffrey J. Jenkins

The effects of hormone replacement therapy on muscle strenght and morphology in early postmenopausal women

Creator:: Lewis, Danielle R.
Abstract:: Postmenopausat women on hormone replacement therapy (HRT) have been reported to be stronger when compared to women who are not using HRT. The first goal of this study was to investigate whether muscle morphology was altered in women who use HRT when compared to women who do not use HAT....
Resource Type:: Masters Thesis
Full Text:: . Jeffrey Widrick for his guidance, support, and assistance with all aspects of this project. He was always

Protein isoform-function relationships of single skeletal muscle fibers from weight-bearing and hindlimb suspended mice

Creator:: Stelzer, Julian E.
Abstract:: The goals of this research were to a) characterize the protein-function relationships of skeletal muscle single fibers from the mouse hindlimb b) examine mouse-strain related differences in myosin heavy chain composition (MHC) and single fiber contractile function, and c) quantify changes in fiber size and contractile function in response to...
Resource Type:: Dissertation
Full Text:: Abstract approved /Vf/Jeffrey J. Widrick The 2oals of this research were to a) characterize the protein

ScholarsArchive@OSU

Spatial and temporal runoff response to snowmelt, and the influence of geomorphology in a headwater catchment, central eastern Cascades, Washington

Hillslope hydrology : from patterns to processes

Water residence time and runoff generation in the western Cascades of Oregon

Hydro-biogeochemical coupling at the hillslope and catchment scale

Measurement and modeling the physical controls of snowmelt in the Pacific Northwest

A macroscale measurement and modeling approach to improve understanding of the hydrology of steep, forested hillslopes

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Chemical and environmental factors affecting pesticide volatilization from turfgrass

The effects of hormone replacement therapy on muscle strenght and morphology in early postmenopausal women

Protein isoform-function relationships of single skeletal muscle fibers from weight-bearing and hindlimb suspended mice

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