Graduation date: 1937

In the process of adjusting to a new institutional environment, transfer students will often experience difficulties and these difficulties may limit their academic potential. Can an institution create a formal process which can help the transfer student adjust to the institutional environment? This study is an examination of a program--an extended transfer student orientation course modeled after the freshman extended orientation course which was developed at the University of South Carolina. Grade Point Average (GPA) was used to study the effects of the course on academic achievement (academic integration as measured by GPA, retention and graduation rates). This experimental study was conducted at Oregon State University, a northwestern land-grant institution. The study was conducted with two groups of newly-admitted transfer students. The experimental group (N=80) consisted of those self-selected transfer students enrolled in the extended transfer student orientation course, while the comparison group (N=80) consisted of transfer students, picked at random, who were not enrolled in the course. The two groups were studied after the Fall 1988 extended transfer student orientation course. The demographic data revealed that a majority of the students transferred from in-state institutions, tended to enter from two-year institutions and four-year institutions. This study showed no evidence that the extended transfer student orientation course had an effect on academic achievement. / Graduation date: 1993

Typescript Thesis (Ph. D.)--University of Oregon, 1983 Includes vita and abstract Bibliography: leaves 134-145 Another copy on microfilm is located in Archives

Typescript. Includes vita and abstract. Bibliography: Includes bibliographical references (leaves 60-63). Description: xii, 63 leaves ; 29 cm.

xvi, 109 p. : ill., maps. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number. / The 'culture of sustainability' is rapidly developing across the United States and the globe. Prompted by economic and environmental crisis, the need to understand and implement sustainable practices has become the paramount objective of the building industry. Utilization of historic preservation as a response to sustainable development is an important aspect of the building profession not yet fully understood, though its roots are found in the "new life for old buildings" movement of the 1970s. This lack of understanding is, in part, due to limited research addressing the conservation and sustainability of the existing building stock within the United States. This thesis will provide case study research on successful sustainable preservation strategies that have been filtered through the National Register of Historic Places and the LEED Green Building Rating System, helping to define the opportunities for beneficial interchange. / Committee in Charge: Dr. Kingston W. Heath, Chair; Shannon M. Bell

Typescript. Includes vita and abstract. Bibliography: Includes bibliographical references (leaves 57-64). Description: x, 64 leaves : ill. (some col.), maps ; 29 cm.

Two mid-Miocene (16.5-15 Ma) rhyolite volcanic centers in eastern Oregon, the Buchanan rhyolite complex and Dooley Mountain rhyolite complex, were investigated to characterize eruptive units through field and laboratory analysis. Results of petrographic and geochemical analysis add to field observations to differentiate and discriminate the eruptive units. Additionally, new geochemical data are used to correlate stratigraphically younger and older basalt and ash-flow tuff units with regional eruptive units to constrain the eruptive periods with modern Ar-Ar age dates. Previous work at the Buchanan rhyolite complex was limited to regional mapping (Piper et al., 1939; Greene et al., 1972) and brief mention of the possibility of multiple eruptive units (Walker, 1979). Observed stratigraphic relationships and geochemical analysis were used to identify eight distinct eruptive units and create a geologic map of their distribution. Slight differences in trace element enrichment are seen in mantle normalized values of Ba, Sr, P, Ti and Nd-Zr-Hf and are used to differentiate eruptive units. New geochemical analyses are used to correlate the overlying Buchanan ash-flow tuff (Brown and McLean, 1980) and two underlying mafic units to the Wildcat Creek ash-flow tuff (~15.9 Ma, Hooper et al., 2002) and flows of the Upper Steens Basalt (~16.57 Ma, Brueseke et al., 2007), respectively, bracketing the eruptive age of the Buchanan rhyolite complex to between ~16.5 and ~15.9 Ma (Brueseke et al., 2007; Hooper et al., 2002). The Dooley Mountain rhyolite complex was thoroughly mapped by the U.S. Geological Survey (Evans, 1992) and geochemically differentiated in a previous Portland State University M.S. thesis (Whitson, 1988); however, discrepancies between published interpretations and field observations necessitated modern geochemical data and revisions to geologic interpretations. Field and laboratory studies indicate that the Dooley Mountain rhyolite complex consists of multiple eruptive units that were effusive domes and flows with associated explosive eruptions subordinate in volume. At least four geochemically distinct eruptive units are described with variations in Ba, Sr, Zr and Nb. Picture Gorge Basalt flows and Dinner Creek Tuff units found within the study area both overlay and underlie the Dooley Mountain rhyolite complex. These stratigraphic relationships are consistent with the one existing Ar-Ar age date 15.59±0.04 Ma (Hess, 2014) for the Dooley rhyolite complex, bracketing the eruptive period between ~16.0 and ~15.2 Ma (Streck et al., 2015; Barry et al., 2013). The findings of this study indicate that the Buchanan rhyolite complex and the Dooley Mountain rhyolite complex are the westernmost and northernmost rhyolite complexes among the earliest (16-16.5 Ma) mid-Miocene rhyolites associated with initiation of Yellowstone hot spot related volcanism.

The Portland metropolitan region has seen unprecedented growth in the last three decades, resulting in both economic expansion and considerable gentrification. While lauded for its commitment to sustainability and a "smart development" ethos, many questions remain for the city with respect to the needs of displaced residents and a burgeoning population of young professionals. This study examines how various levels of government implement growth management policies to accommodate these demographic changes, and aims to assess whether and how the consequences of growth, especially gentrification and displacement, are meaningfully addressed. Qualitative interviews were conducted with staff members and elected officials from city, county, and regional government structures across the Portland metropolitan area to investigate the "regional housing crisis." Inductive analysis of these data considers the implications of Portland's layered government structure for making equitable growth-related decisions. Participants expressed a mismatch in what was expected of them--both from higher levels of government and their constituents--and their perceived capacity to do so. While government officials advocate the need for new development of affordable housing units, they see themselves as limited by a series of technical barriers in the stratified planning process, as well as an unequal distribution of influential power in public involvement processes. Findings are synthesized to offer policy recommendations and consider alternative government responses to public housing issues.

A geologic study of the Parrett Mountain area, located twenty miles (32 kms) south-southwest of Portland, Oregon, was initiated by the Oregon Water Resources Department. The main goal was to create a stratigraphic and structural model of Parrett Mountain in order to better understand the local basalt aquifers present there. Previous geologic studies of the area revealed the mountain to be composed of Columbia River basalt. Field mapping and hand lithologic and geochemical analyses allowed the basalt to be subdivided into eleven basalt flows. These flows are as follows: (from oldest to youngest) the Wapshilla Ridge (WpR) , the Ortley-Grouse Creek (undifferentiated) (OGC), the Umtanum (U), the Winter Water (WW), and the Sentinel Bluffs (SB) basalt units of the Grande Ronde Basalt and the Ginkgo (Gk) flow of the Frenchman Springs Member of the Wanapum Basalt. All the basalt flows were found to be laterally extensive throughout the entire area creating a stacked pancake-layered structure. Thickness variations in the Wapshilla Ridge, Ortley- Grouse Creek and Ginkgo basalt flows reflect paleotopographic relief present during the emplacement of the basalt flows. Sedimentary interbeds appear to be highly localized, occurring sporadically throughout the entire area stratigraphic column. Faults were identified based on geologic map compilation, cross section analysis, and topographic linear features. They trend N-S, E-W, NE and NW and are believed to dissect the entire basalt column. All faults have been designated with a normal sense of displacement, except those known to be thrust or r~verse. Cross-cutting relationships suggest the NS-trending faults are the youngest and the NWtrending faults are the oldest. The faulting created twenty-four separate basalt blocks, each represented by a distinct strike and dip. Flowtop morphology, stratigraphic layering, and the local geologic structures influence local groundwater systems. All flow boundaries yield water to at least one well on the mountain. The most commonly used aquifers are the U/OGC boundary, interflow zones within the OGC, the OGC/WpR boundary and permeable zones within the WpR. Faulting is believed to promote recharge of the groundwater systems by increasing the vertical infiltration of percolating precipitation through the highly fractured fault zone.

The Little North Santiam River Basin is a 111-square mile watershed located in the Cascade Range of western Oregon. The Little North Santiam River is a major tributary to the North Santiam River, which is the primary source of drinking water for Salem, Oregon and surrounding communities. Consequently, water quality conditions in the Little North Santiam River, such as high turbidity, affect treatment and delivery of the drinking water. Between 2001 and 2008, suspended-sediment loads from the Little North Santiam River accounted for 69% of the total suspended-sediment load that passed the treatment plant. Recent studies suggest that much of this sediment originates from landslide activity in the basin. Using airborne Light Detection and Ranging (LiDAR)-derived imagery, 401 landslides were mapped in the Little North Santiam River Basin. Landslide types vary by location, with deep-seated earth flows and earth slumps common in the lower half of the basin and channelized debris flows prominent in the upper basin. Over 37% of the lower basin shows evidence of landslide activity compared to just 4% of the upper basin. Instream turbidity monitoring and suspended-sediment load estimates during the winter of 2009-2010 demonstrate a similar distribution of sediment transport in the basin. During a 3-month study period, from December 2009 through February 2010, the lower basin supplied 2,990 tons, or 91% of the suspended-sediment load to the Little North Santiam River, whereas the upper basin supplied only 310 tons of sediment. One small 23-acre earth flow in the lower basin, the Evans Creek Landslide, supplied 28% of the total suspended-sediment load, even though it only comprises 0.0004% of the basin. The Evans Creek Landslide is an active earth flow that has been moving episodically since at least 1945, with surges occurring between 1945 and 1955, 1970 and 1977, in February 1996, and in January 2004. Recent erosion of the landslide toe by Evans Creek continues to destabilize the slope, supplying much of the sediment measured in the Little North Santiam River. Over the last 64 years, the average landslide movement rate has been between 5 and 12 feet per year.