Index Catalog // ScholarsArchive@OSU

An analysis of technical efficiency and productivity growth in the Pacific Northwest sawmill industry

Creator:: Helvoigt, Ted L.
Abstract:: The objective of this project was to investigate technical efficiency and productivity growth in the Pacific Northwest sawmilling industry over the period 1968-2002. Productivity growth was decomposed into three components: technical change, efficiency change, and scale efficiency change. In addition, using econometric methods, changes in output elasticities and input substitution...
Resource Type:: Dissertation
Full Text:: time trend as a proxy for technical change. Since there is no theoretical reason to assume that

Amplification of solitary waves along a vertical wall

Creator:: Li, Wenwen
Abstract:: Reflection of an obliquely incident solitary wave at a vertical wall is studied experimentally in the laboratory wave tank. Precision measurements of water-surface variations are achieved with the aid of laser-induced fluorescent (LIF) technique and detailed temporal and spatial features of the Mach reflection are captured. During the development stage...
Resource Type:: Dissertation
Full Text:: analyze validation of the theory; note that substantial discrepancies exist from previous (both numerical

Right-hook crash causality at signalized intersections

Creator:: Jannat, Mafruhatul
Abstract:: A Right-hook (RH) crash is a common type of bicycle-motor vehicle crash that occurs between a right-turning vehicle and through-moving bicycle at an intersection. At signalized intersections, RH crashes can occur at the onset of the green or during the latter portion of the green phase. In spite of the...
Resource Type:: Dissertation
Full Text:: frequency and severity of this crash type, no experimental studies have provided compelling evidence as to

Effect of constituent materials and curing methods on the abrasion resistance and durability of high performance concrete for pre-cast pre-stressed bridge deck slabs

Creator:: Keshari, Shweta
Abstract:: This thesis is the consequence of a research effort undertaken by the School of Civil and Construction Engineering at Oregon State University and funded by the Oregon Department of Transportation (ODOT) and the Federal Highway Administration (FHWA). The principal objective of the effort was to reduce the life cycle cost...
Resource Type:: Masters Thesis
Full Text:: penetration. Wear rate was directly proportional to chloride ion penetration. There was no relationship

Micromixer assisted continuous flow synthesis of nanoparticles of binary compounds and their application

Creator:: Palanisamy, Barath
Abstract:: In this work, continuous synthesis routes for binary nanoparticles using advantages of microchannel mixing (low diffusion distances and higher mass transfer) and fast heating rates provided by ultrasound induced heating are investigated. In addition, the application of silica nanoparticles in anti-reflective coatings on glass and understanding the structure property-performance correlation...
Resource Type:: Dissertation
Full Text:: good mixing condition at Reynolds no above 250 for water. Typical T-mixer based continuous synthesis

A comparison of the value of forest plans developed under three levels of detail regarding management intentions

Creator:: Hirte, Sarah Rebecca
Abstract:: In the field of forest planning, assumptions regarding the appropriate modeling of management behavior, translated through management prescriptions, minimum harvest ages, green-up periods, and other variables are needed if a stand-level optimization process is not used to guide the selection of stand management regimes Forest planners thus generally have a...
Resource Type:: Masters Thesis
Full Text:: plans. No significant differences in owl habitat were found across the three levels of detail in

Accuracy assessment of LiDAR point cloud geo-referencing

Creator:: Williams, Keith E.
Abstract:: Three-dimensional laser scanning has revolutionized spatial data acquisition and can be completed from a variety of platforms including airborne (ALS), mobile (MLS), and static terrestrial (TLS) laser scanning. MLS is a rapidly evolving technology that provides increases in efficiency and safety over static TLS, while still providing similar levels of...
Resource Type:: Masters Thesis
Full Text:: documents were obtained from industry magazines and websites, technical reports, peer-reviewed journals

Estimating a juniper biomass supply from private rangelands : the impact of distance and biotic factors on costs

Creator:: McCaulou, Jeff C.
Abstract:: Central Oregon has attracted attention as a potential location for a biomass industry based on a locally fixed source of western juniper (Juniperus occidentalis Hook) feedstock. This study identifies a supply of juniper from private lands to determine how much of the available juniper is economically supplied at alternative prices...
Resource Type:: Masters Thesis
Full Text:: potential. The authors were careful to note that the increase in western juniper dominance does not mean

Determining optimal timber harvest and fuel treatment on a fire-threatened landscape using approximate dynamic programming

Creator:: Lauer, Christopher Joseph
Abstract:: Forest management in the face of fire risk is a challenging problem because fire spreads across a landscape and because its occurrence is unpredictable. Additionally, management must be adjusted over time as unpredictable fire events are realized. Land managers have some control over the vegetation conditions that facilitate fire spread,...
Resource Type:: Dissertation
Full Text:: Foundation under CyberSEES Computing and Visualizing Optimal Policies for Ecosystem Management (grant no

Balancing Timber Production and Conservation in the Oregon Coast Range: an Examination of the Response by Birds and Bird-induced Ecosystem Services to Forest Management at Multiple Scales

Creator:: Harris, Scott H.
Abstract:: Society derives many critical and irreplaceable values from forests. With a growing global human population and rates of consumption, forests are under increasing pressure to provide all these values simultaneously. To meet societal demands for wood products, tree plantations are becoming increasingly common and are replacing native forests. Yet, forests...
Resource Type:: Dissertation
Full Text:: trees, and reduces damage to trees, but I detected no change in tree growth due to the presence of

ScholarsArchive@OSU

An analysis of technical efficiency and productivity growth in the Pacific Northwest sawmill industry

Amplification of solitary waves along a vertical wall

Right-hook crash causality at signalized intersections

Effect of constituent materials and curing methods on the abrasion resistance and durability of high performance concrete for pre-cast pre-stressed bridge deck slabs

Micromixer assisted continuous flow synthesis of nanoparticles of binary compounds and their application

A comparison of the value of forest plans developed under three levels of detail regarding management intentions

Accuracy assessment of LiDAR point cloud geo-referencing

Estimating a juniper biomass supply from private rangelands : the impact of distance and biotic factors on costs

Determining optimal timber harvest and fuel treatment on a fire-threatened landscape using approximate dynamic programming

Balancing Timber Production and Conservation in the Oregon Coast Range: an Examination of the Response by Birds and Bird-induced Ecosystem Services to Forest Management at Multiple Scales

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