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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
151

Deepwater

Carrasco, Katrina Marie 03 June 2015 (has links)
DEEPWATER is a novel that takes place in Port Townsend, Washington Territory, in 1887. This thesis contains the first sections of the novel, in which detective Alma Rosales goes undercover to infiltrate an opium-smuggling ring. She arrives in the remote outpost where the ring operates, falls in with some waterfront thieves, and gets to work. Soon it becomes apparent that Alma's reports to her Pinkerton employers aren't telling the whole truth. And as she gets cozier with the outlaws of Port Townsend, Alma's own identity and motives come into question. Thematically this novel is an exploration of constructed identity: the many parts one person plays in her daily life and over time, and how some parts become habit while others may never feel natural. Alma's disguises make explicit her various performances of personality, physicality and gender. Stylistically I've chosen to reflect Alma's personas, performed or otherwise, in corresponding narrative modes (points of view). Also explored are the performative aspects of dialogue, the blending or warping of genres and genre expectations, and the experience of inhabiting a physical body that is sometimes wildly at odds with the mind.
152

The Response of Zooplankton Communities in Montane Lakes of Different Fish Stocking Histories to Atmospheric Nitrogen Deposition Simulations

Brittain, Jeffrey Thomas 21 May 2015 (has links)
Freshwater ecosystems are subject to a wide variety of stressors, which can have complex interactions and result in ecological surprises. Non-native fish introductions have drastically reduced the number of naturally fishless lakes and have resulted in cascading food web repercussions in aquatic and terrestrial habitats. Additional anthropogenic influences that result from increases in global airborne emissions also threaten wildlife habitat. Atmospheric nitrogen deposition has been recognized as an anthropogenic contributor to acidification and eutrophication of wilderness ecosystems. Planktonic communities have shown declines in response to predation and shifts in composition as a result of nutrient inputs and acidification, both of which are potential fates of nitrogen deposition. This study identified the response of zooplankton communities from two lakes (fish present vs. absent) in Mount Rainier National Park to manipulations simulating an episodic disturbance event in mesocosms. The experiment used a 2 x 2 factorial design with acid and nitrogen treatments. Treatments resulted in significantly elevated nitrogen and decreased pH conditions from control mesocosms over 42 days, indicating that the treatment effects were achieved. Results indicate that zooplankton communities from lakes with different food web structure respond differently to the singular effects of acid and nitrogen addition. Surprisingly, the interaction of the two stressors was related to increases in community metrics (e.g., abundance, biomass, body size, richness, and Shannon-Weiner diversity) for both lake types. This work can aid management decisions as agencies look to restore more aquatic montane habitats to their historic fishless states, and assess their abilities to recover and afford resistance to atmospheric pollution.
153

Hydrodynamic and Water Quality Modeling of the Chehalis River Using CE-QUAL-W2

Van Glubt, Sarah 15 February 2017 (has links)
The Chehalis River Basin is located in the southwest region of Washington State, originating in the Olympic Mountains and flowing to Grays Harbor and the Pacific Ocean. The Chehalis River is over 125 miles, exists within five counties, and flows through agricultural, residential, industrial, and forest land areas. Four major rivers discharge to the Chehalis River, as well as many smaller creeks, five wastewater treatment plants, and groundwater flows. Flooding is a major problem in the relatively flat areas surrounding the cities of Chehalis and Centralia, with severe consequences for property, safety and transportation. As a result, construction of a flood-control dam in the upper basin has been proposed. One major concern of constructing a dam is the potentially severe impacts to fish health and habitat. The Chehalis River has routinely violated water quality standards for primarily temperature and dissolved oxygen, and has had multiple water quality and Total Maximum Daily Load studies beginning in 1990. CE-QUAL-W2, a two-dimensional (longitudinal and vertical) hydrodynamic and water quality model, was used to simulate the Chehalis River, including free flowing river stretches and stratified (in summer) lake-like stretches. The goals of this research were to assess the flood retention structure's impacts to water quality, as well as river responses to potential climate change scenarios. In order to use the model to achieve these goals, calibration to field data for flow, temperature, and water quality constituents was performed. This involved developing meteorological data, riparian shading data, and flow, temperature, water quality records for all tributaries during the calibration period of January 1, 2013 to December 31, 2014. System cross-sectional geometry data were also required for the model grid. Because of the short travel time in the river, the model was sensitive to boundary condition data, wind speed, bathymetry, nutrient kinetics, and algae, epiphyton, and zooplankton kinetics. Future conditions showed predictions of warmer water temperatures and slight changes to water quality conditions on the river. As fish in the area prefer cooler water temperatures, this could pose a threat to fish health and habitat. Flood retention structures also showed impacts to river temperature and water quality. Structures with the purpose of flood retention only (only operating during times of flooding) gave model predictions for daily maximum temperature higher than structures that employed flood retention and flow augmentation (operating during all times of the year). This suggested the management of flow passage or retention by the dam is important for water quality on the river. As this research continues improvements will be made, particularly to temperature and water quality constituents. Additional data for the system would be beneficial to this process. Model predictions of temperature were sensitive to meteorological data, including cloud cover, which were largely estimated based on solar radiation. Additional meteorological data throughout the basin would be useful to temperature results. Temperature results were also sensitive to the model bathymetry, and additional investigations into segments widths and water depths may improve temperature predictions. Water quality constituent data were largely lacking for the system. Many estimation techniques and approximations were used for input water quality constituents for the model upstream boundary and tributaries when little or no data were available, introducing uncertainty to the model. It was not possible to calibrate pH to field data because alkalinity data were essentially unavailable. However, other constituents had good agreement between model predictions and field data, including dissolved oxygen, nitrates, total phosphorus, and total suspended solids.
154

The Hanford Laboratories and the growth of environmental research in the Pacific Northwest, 1943 to 1965

Ellis, D. Erik 17 December 2002 (has links)
The scientific endeavors that took place at Hanford Engineer Works, beginning in World War II and continuing thereafter, are often overlooked in the literature on the Manhattan Project, the Atomic Energy Commission, and in regional histories. To historians of science, Hanford is described as an industrial facility that illustrates the perceived differences between academic scientists on the one hand and industrial scientists and engineers on the other. To historians of the West such as Gerald Nash, Richard White, and Patricia Limerick, Hanford has functioned as an example of the West's transformation during in World War II, the role of science in this transformation, and the recurring impacts of industrialization on the western landscape. This thesis describes the establishment and gradual expansion of a multi-disciplinary research program at Hanford whose purpose was to assess and manage the biological and environmental effects of plutonium production. By drawing attention to biological research, an area in which Hanford scientists gained distinction by the mid 1950s, this study explains the relative obscurity of Hanford's scientific research in relation to the prominent, physics-dominated national laboratories of the Atomic Energy Commission. By the mid 1960s, with growing public concern over radiation exposure and changes in the government's funding patterns for science, Hanford's ecologically relevant research provided a recognizable and valuable identity for the newly independent, regionally-based research laboratory. With funding shifts favoring the biological and environmental sciences in the latter half of the twentieth-century, Hanford scientists were well prepared to take advantage of expanding opportunities to carve out a permanent niche on the border of American science. / Graduation date: 2003
155

Determination of effective doses from radionuclides in the Columbia River sediments

Wu, Renpo 25 August 1994 (has links)
Graduation date: 1995
156

Structure-forming benthic invertebrates : habitat distributions on the continental margin of Oregon and Washington

Strom, Natalie A. 18 April 2006 (has links)
Graduation date: 2006 / Structure-forming invertebrates belong to a polyphyletic group of primarily sessile and sedentary megafauna that can significantly enhance the complexity of physical habitats. A number of these organisms, including cold-water corals and sponges, are known to be slow growing and vulnerable to physical disturbance. In addition, as filter feeders, these invertebrates can indicate areas of consistently favorable conditions for feeding and growth. This study provides the first quantitative analysis of structure-forming invertebrate communities in many areas along the continental margin of Oregon and Washington. Geological surveys during 1992-95, using the occupied submersible, Delta, sampled an extensive area in this region, primarily on and around rock outcrops. The videos from these surveys were analyzed to inventory and catalog sessile structure-forming invertebrates and to document their associations with geological habitat types. Detailed data on geological substrate, invertebrate diversity, abundance, and density were compiled and analyzed. It was found that geological substrate and depth were reliable indicators of suitable habitat for most species included in the study. Gorgonian corals tended to concentrate in high densities in depths between 200-250m, at the southern edges of submerged rocky banks, and where hard rocky substrate was covered with a thick layer of sediment. Because of recent fishery regulation changes, this information can be used as baseline data for future studies on the effectiveness of closed areas on the recovery of structure-forming invertebrates from disturbance, particularly bottom trawling.
157

Child abuse and neglect education in schools of nursing in the province of British Columbia and the state of Washington

Watt, Judith Louise 11 1900 (has links)
Child abuse and neglect has been an historical problem which has only entered our consciousness as legislation to protect children has been passed. Public and media awareness has mushroomed along with the number of disclosures and increasingly dramatic stories of abuse and neglect. Nurses, because of their many different places of practise, come in contact with many victims and offenders. How does their education prepare them for this task? The study surveyed of schools of nursing in British Columbia and the state of Washington through the directors of nursing, associate deans, deans and coordinators, to instructors and faculty members who teach child abuse and neglect education. Instructors and faculty members completed a questionnaire of 23 questions about child abuse and neglect education in their schools of nursing and about their own educational preparation and experience. The questionnaire was expanded from a similar study done in 1985-86. Not all schools of nursing have child abuse and neglect education. Of those indicating they teach child abuse and neglect, most devote 2-4 hours to teaching. Child abuse and neglect education is taught in a wide variety of nursing subject areas. There are fewer resources (both personnel and print and media) being used in teaching child abuse and neglect in 1993 than in 1985-86. The majority of faculty members and instructors were not educated in the province or state in which they now teach and also the majority did not receive child abuse and neglect education during their baccalaureate education. Instructors and faculty members from Washington had more suggestions for improving child abuse and neglect education than did those from British Columbia. Education about reporting child abuse and nursing and sexually transmitted diseases is inconsistent. There is very little child abuse and neglect interprofessional education. While the diversification of nurses' job placements makes them ideal professionals to identify, prevent, and treat child abuse and neglect, their educational preparation does not appear adequate for this task.
158

The politics of racial integration in the Seattle Public Schools: Discourse, policy, and political change, 1954-1991

Hehnke, Jennifer Marie, 1978- 12 1900 (has links)
xiii, 302 p. : ill. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number. / This study examines the role of narrative in racial integration politics in the Seattle Public Schools between 1954 and 1991. In 1978, the Seattle School District in coalition with civic actors implemented a mandatory student assignment desegregation policy, "The Seattle Plan," without a court order. A decade later, another similar coalition of actors came together to shift desegregation policy towards a "controlled choice" method of student movement. In 1991, with the support of the newly elected Democratic mayor, the foundation of desegregation was dismantled. In Seattle, the shifts in desegregation conflicts can be explained as the transposition of certain arrangements of ideas into policy and the concurrent shift in the arrangement produced by new alignments of actors able to find enough common ground to coalesce and make policy. This dissertation explores the complexity of ideas about racial equality and the oftentimes-surprising arrangements actors created. I analyze the way elected, elite, and non-elite actors at the local level talked about, interpreted, and re-interpreted questions of racial segregation, equality, and the role of the public schools and explore the amalgamations of ideas about race and schools that explain the unique development of policy in Seattle with a way to account for change relying on micro-political developments. I examine the discursive arrangements generated within these conflicts, the coalitions built around these ideas, and how the ideas were implemented as policy. I analyze a broad range of archival materials, newspaper accounts, and interviews with actors who were involved in these events. / Committee in charge: Gerald Berk, Chairperson, Political Science; Julie Novkov, Member, Political Science; Joseph Lowndes, Member, Political Science; James Mohr, Outside Member, History
159

Understanding the Importance of Intermittently Fragmented Stream Habitat for Isolated Westslope Cutthroat Trout (<i>Oncorhynchus clarki lewisi</i>) in the Colville National Forest, Washington

Carpenter, Forrest Michael 05 December 2016 (has links)
Climate change and anthropogenic effects have vastly reduced Westslope Cutthroat Trout (Oncorhynchus clarki lewisi, WCT) habitat throughout their range, including the Colville National Forest in northeastern Washington where this study was conducted. Many native salmonid populations have declined in abundance since the early 1900s due to a variety of climate- and human-driven forces. Westslope Cutthroat Trout are especially sensitive to habitat loss or degradation and to climate change. Together, climate change, habitat degradation, and non-native salmonid invasions are contributing to increasingly fragmented WCT populations. Ongoing and predicted future warming trends are expected to further fragment these populations and isolate them in headwater stream reaches, with populations in the spatial margins of their distributions facing greater risk. Native salmonid populations are often separated or isolated by natural or artificial upstream migration barriers (i.e., waterfalls, culverts, etc.). Prior to continuing conservation and management actions targeting WCT, it is imperative to understand habitat requirements of this keystone species in fragmented areas. Field survey data were collected in the summer of 2015 on channel geomorphic characteristics and WCT presence/absence in 26 streams located in the Colville National Forest. A clear spatial separation was observed between Eastern Brook Trout (Salvenius fontinalis, EBT) and WCT above four culvert road crossings and the habitat in both of these areas was compared statistically to identify explicit differences. This dataset was also analyzed using logistic regression modeling to determine the best habitat predictors of the presence of isolated WCT populations existing upstream of these crossing. In general, stream habitat in the Middle and South Forks of Mill Creek had low large substrate, high fine sediments, and exhibited pool-riffle channel morphology. Pool habitat supporting isolated WCT was significantly smaller, in terms of volume and surface area, than pool habitat supporting sympatric populations of WCT and EBT, largely due to the headwater nature of channel units supporting isolated WCT populations. Additionally, due to the extreme drought conditions during 2015, stream flow was substantially diminished in the study area causing these reaches to be highly fragmented and largely disconnected from the rest of the stream channel. Fine sediments were generally higher in headwater reaches supporting isolated WCT, including in pools and riffles, which was unexpected, mainly because they exist above sediment delivery points in the longitudinal extent of the system. Logistic regression analysis indicated that the presence of isolated WCT populations was primarily positively associated with an increase in large wood and boulders, and negatively associated with increasing gravel, bedrock, habitat unit length, depth, and width (Significant x2, R2=0.174, misclassification rate = 14.9%, α=0.05). The final model correctly predicted 37.5% of isolated WCT presence observations and 96.5% of the WCT/EBT presence observations significantly better than by chance alone (k=0.81). This model, in fact, may be useful in identifying limited habitat due to the fragmented nature of the channel units supporting IWCT. Large wood and boulders were positively correlated to WCT presence, likely because both are important in the formation of pools and cascades. Channel unit length, width, depth, active channel width as well as gravel and bedrock substrates, were all negatively associated with WCT presence. This suggests that isolated WCT are primarily associated with small headwater cascades with complex shelter, which may provide greater thermal and predation refuge compared to shallow glide or large pool habitats. Future model analysis should include additional habitat variables such as water temperature, stream gradient, and species interactions to strengthen the prediction of Westslope Cutthroat Trout presence. Overall, I concluded that differences in stream habitat above and below blocking culverts are not driving Westslope Cutthroat Trout distributions in the study area due to confounding factors such as the presence of problematic barriers and small sample size. I also conclude that future conservation and management decisions specific to WCT should prioritize complex cascade habitat in headwater stream reaches because of the type and quantity of habitat they may provide, especially during severe drought or low flow conditions.
160

Child abuse and neglect education in schools of nursing in the province of British Columbia and the state of Washington

Watt, Judith Louise 11 1900 (has links)
Child abuse and neglect has been an historical problem which has only entered our consciousness as legislation to protect children has been passed. Public and media awareness has mushroomed along with the number of disclosures and increasingly dramatic stories of abuse and neglect. Nurses, because of their many different places of practise, come in contact with many victims and offenders. How does their education prepare them for this task? The study surveyed of schools of nursing in British Columbia and the state of Washington through the directors of nursing, associate deans, deans and coordinators, to instructors and faculty members who teach child abuse and neglect education. Instructors and faculty members completed a questionnaire of 23 questions about child abuse and neglect education in their schools of nursing and about their own educational preparation and experience. The questionnaire was expanded from a similar study done in 1985-86. Not all schools of nursing have child abuse and neglect education. Of those indicating they teach child abuse and neglect, most devote 2-4 hours to teaching. Child abuse and neglect education is taught in a wide variety of nursing subject areas. There are fewer resources (both personnel and print and media) being used in teaching child abuse and neglect in 1993 than in 1985-86. The majority of faculty members and instructors were not educated in the province or state in which they now teach and also the majority did not receive child abuse and neglect education during their baccalaureate education. Instructors and faculty members from Washington had more suggestions for improving child abuse and neglect education than did those from British Columbia. Education about reporting child abuse and nursing and sexually transmitted diseases is inconsistent. There is very little child abuse and neglect interprofessional education. While the diversification of nurses' job placements makes them ideal professionals to identify, prevent, and treat child abuse and neglect, their educational preparation does not appear adequate for this task. / Education, Faculty of / Curriculum and Pedagogy (EDCP), Department of / Graduate

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