Index Catalog // ScholarsArchive@OSU

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

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:: term stream discharge data from the H.J. Andrews Experimental Forest (HJA), the site of the field

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:: H.J. Andrews Experimental Forest (HJA) in the western Cascade Mountains of Oregon found that

Movement of water through forested soils in steep topography

Creator:: Harr, R. Dennis (Robert Dennis), 1941-, Ranken, Darren W., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Field and laboratory studies are being conducted to describe the hydrologic properties of soil and to determine the timing pathway of precipitation and snowmelt water as it moved through forested soil on a steep slope. Hydrologic properties include hydraulic conductivity, porosity, pore-size distribution, moisture characteristics, stone content, and soil depth....
Resource Type:: Technical Report
Full Text:: Mountains of Oregon where a major portion of the research on coniferous forest ecosystems is being

Quantification of advection and dispersion in lateral subsurface flowpaths at the hillslope-scale

Creator:: Victory, Nichole I.
Abstract:: It is becoming increasingly important to understand fundamental hillslope-scale hydrological processes. Most hillslope-sale transport experiments have generally focused on conceptual findings or other aspect of flow behavior, rather than the quantification of the mass transport mechanisms of advection and dispersion. When the velocities have been quantified, dispersion has been mentioned...
Resource Type:: Masters Thesis
Full Text:: hillslope in the HJ Andrews (HJA) Experimental Forest, Western Oregon, USA. The specific objectives of

Beyond the paired-catchment approach : isotope tracing to illuminate stocks, flows, transit time, and scaling

Creator:: Hale, V. Cody
Abstract:: This dissertation integrates a process-based hydrological investigation with an ongoing paired-catchment study to better understand how forest harvest impacts catchment function at multiple scales. We do this by addressing fundamental questions related to the stocks, flows and transit times of water. Isotope tracers are used within a top-down catchment intercomparison...
Resource Type:: Dissertation
Full Text:: HJ Andrews Experimental Forest Catchments- Central Oregon Cascades .......... 19 Methods

Do vigorous young forests reduce streamflow? Results from up to 54 years of streamflow records in eight paired-watershed experiments in the H. J. Andrews and South Umpqua Experimental Forests

Creator:: Perry, Timothy D.
Abstract:: This study quantified the magnitude and timing of summer streamflow deficits in paired-watershed experiments in the Cascade Range of Oregon where mature and old-growth conifer forests were subjected to clearcutting, patch cutting, and overstory thinning treatments in the 1960s and 1970s. Hydrologic effects of clearcutting, small-patch cutting, and overstory thinning...
Resource Type:: Masters Thesis
Full Text:: emerging summertime water deficits in several WS at the H.J. Andrews Experimental Forest, Oregon

Hydrologic model for watershed 10, Andrews Experimental Forest : round 1

Creator:: Brown, George, Fredriksen, R. L., Overton, W. Scott, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Resource Type:: Technical Report
Full Text:: , ANDREWS EXPERIMENTAL FOREST Round 1 George Brown, Dick Fredriksen, and Scott Overton School of Forestry

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:: hydrological work in Watershed 10, H. J Andrews Experimental Forest, Oregon, that was started in the ‘70s, by

Facilities development master plan for H.J. Andrews Experimental Forest and associated research natural areas, Willamette National Forest and Range Experiment Station

Creator:: Willamette National Forest (Agency : U.S.) and Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: I II IApprove H Facilities Development Master Plan for H.J. Andrews Experimental Forest and

ScholarsArchive@OSU

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

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

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

Movement of water through forested soils in steep topography

Quantification of advection and dispersion in lateral subsurface flowpaths at the hillslope-scale

Beyond the paired-catchment approach : isotope tracing to illuminate stocks, flows, transit time, and scaling

Do vigorous young forests reduce streamflow? Results from up to 54 years of streamflow records in eight paired-watershed experiments in the H. J. Andrews and South Umpqua Experimental Forests

Hydrologic model for watershed 10, Andrews Experimental Forest : round 1

Hydro-biogeochemical coupling at the hillslope and catchment scale

Facilities development master plan for H.J. Andrews Experimental Forest and associated research natural areas, Willamette National Forest and Range Experiment Station

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