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ScholarsArchive at Oregon State University
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Oregon's beaches were designated public recreation areas by the 1967 Beach Law. These beaches and adjacent shorelands experience erosion and other hazards due to winter storm waves, weathering, and geologic instability. Sea cliff recession...
1992-08-07 (iso8601)
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This dissertation had three main objectives: 1) investigate the role of macro and
micro geomorphology in determining lizard distributions in the Southern California
Mojave Desert; 2) develop a spatially explicit lizard habitat model based upon...
2001-08-13 (iso8601)
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Burnout, a problem that relates to an individual's occupation or vocational life, is a prolonged manifestation of emotional exhaustion, cynicism related to work, physical ailments, and reduced accomplishment of work tasks. Recently, the literature...
2005-05-16 (iso8601)
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This dissertation consists of three papers on land use economics and regulation. The
first paper reviews numerous past literatures on how land-use regulation, agricultural
subsidies, and use-value assessment method affect land values. The second...
2008-07-14T20:33:01Z (iso8601)
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Methane flux was measured from northern Alaska Arctic Coastal Plain wetlands to assess the spatial and temporal variability of Arctic tundra emissions during the summers of 1987 through 1990. Initially, the role of vegetation in the release of...
1992-02-06 (iso8601)
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This study characterizes the production of hypogeous sporocarps (broadly referred to as truffles) by ectomycorrhizal fungi within Douglas-fir dominated forests that are considered typical of those found on the west slopes of the central Cascade...
1988-12-16 (iso8601)
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This dissertation is concerned with the diminution of Oregon's Umatilla Indian Reservation over a 120 year period (1855-1975). Its objective is to show that the transfer of land from Indian to non-Indian ownership was most attributable to four...
1977-03-14 (iso8601)
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The effect of scale is an important concern in mapping of biodiversity. Scale issues include the grid cell size used for analysis and the effect of the extent and internal boundaries. Because biodiversity analysis involves combinatorial processes,...
1997-10-25 (iso8601)
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Chameleon is a physics-based landscape modeling software system designed for modeling and simulations applications. Hyperspectral laboratory, field, and imaging spectrometer measurements are collected as empirical foundation data. Linear spectral...
2005-06-02 (iso8601)
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The equilibrium response of Canadian vegetation to climate and climatic change was modeled at three organizational levels of the vegetation mosaic. The climatic parameters used as model drivers (i.e., snowpack, degree-days, minimum temperature,...
1992-10-28 (iso8601)
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In this thesis, we investigate the problem of simulating Maxwell's equations in dispersive dielectric media. We begin by explaining the relevance of Maxwell's equations to
21st century problems. We also discuss the previous work on the numerical...
2008-07-21T20:43:27Z (iso8601)
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A tenfold expansion of western juniper (Juniperus occidentalis spp.
occidentalis) into the sagebrush steppe has led to the degradation of the
economic and ecological potential of these landscapes. Land managers have
enacted numerous methods to...
2008-06-06 (iso8601)
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Long-term durability of surface-bonded carbon fiber-reinforced polymer (CFRP) U-wraps for shear strengthening of reinforced concrete (RC) bridge members remains uncertain due to the limited field experience with these materials. This paper...
2008-07-30T23:08:10Z (iso8601)
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The 2002 Biscuit Fire burned through more than 200,000 ha of mixed conifer/
evergreen hardwood forests in southwestern Oregon and northwestern
California. The remarkable size of the fire and the diversity of conditions through
which it burned...
2008-07-21T20:27:52Z (iso8601)
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As recent interest has grown in the connections between how food is produced, distributed and consumed, and the overall health of food systems for people and the environment, a movement toward localizing food systems has emerged. In Lincoln...
2008-08-04T15:48:16Z (iso8601)
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This thesis employs cultural analysis to better understand the meanings consumers have for the brands they consume. This research uses qualitative methods to elicit and analyze the brand meanings alumni and students have of their alma matter and...
2008-07-15T14:10:03Z (iso8601)
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The diffusion of livestock guarding dogs into American agriculture provides an example of a developed nation adopting a peasant husbandry practice. Guarding dogs, associated with transhumant husbandry, have been used to protect sheep and other...
1990-05-08 (iso8601)
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The Willamette River and its floodplain in northwest Oregon have changed dramatically since European settlement. At one time, the river was a vast complex system of braided channels with a broad floodplain forest; it has now been simplified by...
2002-08-16 (iso8601)
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A per-segment classification system was developed to map aspen (Populus tremuloides) stands on Winter Ridge in central Oregon from remote sensing imagery. A 1-meter color infrared (CIR) image was segmented based on its hue and saturation values to...
2003-12-01 (iso8601)
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The Central Western Cascades and southeast Zaire were selected to test the distance decay and deforestation models on forest environments. Distance gradients included away from cities, and away from highways/roads. Two forest definitions were used...
1997-02-21 (iso8601)
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The study examines the effect of forest clearance on fire occurrences in major islands of Indonesia, namely: Borneo, Sumatra, Sulawesi and Irian Jaya. The working hypothesis of the study is that forest clearing is a necessary predecessor for...
2003-04-18 (iso8601)
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The 18 May 1980 eruption of Mount St. Helens, emplaced between 3-3.5 billion cubic yards (bcy) of poorly sorted material ranging from silt to boulders, extending from river mile (RM) 25 to RM 38 in the upper North Fork Toutle River drainage....
1985-07-24 (iso8601)
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This study illustrates geoarchaeological and paleoenvironmental approaches to the
investigation of an active margin coastal setting and provides examples of how information gleaned through examination of the stratigraphic record can reveal...
2005-09-23 (iso8601)
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