Index Catalog // ScholarsArchive@OSU

Influence of log truck traffic and road hydrology on sediment yield in western Oregon

Creator:: Miller, Rebecca H.
Abstract:: An understanding of the factors that influence surface erosion from roads is necessary to prevent and mitigate sediment production from forest roads. This study investigated the impacts of log truck traffic and road hydrology on sediment yield from ten forest road segments in the foothills of the Cascade Mountains of...
Resource Type:: Masters Thesis

Relationships between stream discharge and cutthroat trout abundance at multiple scales in managed headwater basins of western Oregon

Creator:: Owens, Hazel L.
Abstract:: Relationships between resident cutthroat trout (Oncorhynchus clarkii clarkii) and six hydrologic indices were investigated using correlation analysis in two experimental headwater catchments in the foothills of the Cascade Mountains of western Oregon. This investigation was to determine if characteristics of discharge explained inter-annual variability in trout abundance. Eight years of...
Resource Type:: Masters Thesis

The influence of contemporary forest management on stream nutrient concentrations in an industrialized forest in the Oregon Cascades

Creator:: Meininger, William Scott
Abstract:: The increased demand for wood and fiber from a continually shrinking land base has resulted in the use of intensively managed forest plantations. The concentration of timber production on the most suitable sites allows the world's demand for forest products to be met on less land and enable native forests...
Resource Type:: Masters Thesis

Local and downstream effects of contemporary forest harvesting on streamflow and sediment yield

Creator:: Zégre, Nicolas P.
Abstract:: This dissertation is a collection of three manuscripts that serve to fill the knowledge gaps and advance methods of detecting the effects of contemporary forest harvesting in experimental catchment studies. While there is a preponderance of studies evaluating the environmental effects of forest harvesting in the western United States, few...
Resource Type:: Dissertation

Forest road hydrology : the influence of forest roads on stream flow at stream crossings

Creator:: Toman, Elizabeth Myers
Abstract:: The management of existing forest road systems is an issue of growing importance and public debate. Roads can alter the hydrologic processes in a watershed especially at stream crossing culverts where road ditches channel runoff directly into the stream. The objective of this study was to determine how surface runoff...
Resource Type:: Masters Thesis

Characterizing the spatial distribution of short duration, high intensity rainfall in the central Oregon Coast Range

Creator:: Goard, Deborah Lynn
Abstract:: Shallow, translational landslides occur naturally and are the dominant form of erosion in the Pacific Northwest and the Oregon Coast Range. These landslides are triggered during large, infrequent storms. Forest management activities, such as timber harvesting, can exacerbate the occurrence of these landslides. Understanding the relationship between the occurrence of...
Resource Type:: Masters Thesis

Attenuation of rainfall intensity by forest canopies

Creator:: Keim, Richard F.
Abstract:: Interception of precipitation by forest canopies has been found previously to reduce rainfall intensity, but this effect is poorly understood. The goal of this research is to quantify the attenuation of rainfall intensity by forest canopy interception, with the specific objective of estimating the contribution of this attenuation to hillslope...
Resource Type:: Dissertation

Processes that influence the downstream propagation of heat in streams below clearcut harvest units : Hinkle Creek paired watershed study

Creator:: Otis, Timothy Leonard
Abstract:: This research investigates the direct and downstream impacts of clearcut harvest units on stream temperature as a part of the Hinkle Creek Paired Watershed Study. The Hinkle Creek watershed is located in the foothills of the Cascade Mountains about 30 kilometers northeast of Roseburg, Oregon, is privately owned, and supports...
Resource Type:: Masters Thesis

The influence of contemporary forest harvesting on summer stream temperatures in headwater streams of Hinkle Creek, Oregon

Creator:: Kibler, Kelly Maren
Abstract:: Stream temperature is a water quality parameter that directly influences the quality of aquatic habitat, particularly for cold-water species such as Pacific salmonids. Forest harvesting adjacent to a stream can increase the amount of solar radiation the stream receives, which can elevate stream temperatures and impair aquatic habitat. Oregon Forest...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Influence of log truck traffic and road hydrology on sediment yield in western Oregon

Relationships between stream discharge and cutthroat trout abundance at multiple scales in managed headwater basins of western Oregon

The influence of contemporary forest management on stream nutrient concentrations in an industrialized forest in the Oregon Cascades

Local and downstream effects of contemporary forest harvesting on streamflow and sediment yield

Forest road hydrology : the influence of forest roads on stream flow at stream crossings

Characterizing the spatial distribution of short duration, high intensity rainfall in the central Oregon Coast Range

Attenuation of rainfall intensity by forest canopies

Processes that influence the downstream propagation of heat in streams below clearcut harvest units : Hinkle Creek paired watershed study

The influence of contemporary forest harvesting on summer stream temperatures in headwater streams of Hinkle Creek, Oregon

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