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

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

Measuring costs of sequestering carbon in forest stands with different management regimes in western Oregon

Creator:: Zyrina, Olga A.
Abstract:: This project was a part of larger work that compared major factors controlling patterns of carbon dynamics in two regions of the globe, the Pacific Northwest, USA and northwestern Russia. It was funded through the NASA foundation (grant # NAG5- 6242). Human economic activity is causing the release of pollutants...
Resource Type:: Masters Thesis
Full Text:: averaged for several runs varied from 505.34 m3/ha (with 50-year rotation no treatment) to 1782.24 m3/ha

An application of regression tree methodology in freeway travel time estimation using speed as a proxy

Creator:: Wang, Lijuan
Abstract:: Accurate freeway travel time estimation is of increasing importance for the travelers’ information and route guidance system. A non-parametric statistical methodology known as regression trees is deployed in this research for dynamically and accurately estimating freeway travel times for the I5-I205 loop in the Portland Metro area of Oregon using...
Resource Type:: Masters Thesis
Full Text:: . Splitting continues until no further reduction in deviance can be obtained or the data points are too

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:: juniper created more than 275 pounds -1acre of displaced sediment and those without juniper had no

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

In-forest log segregation based on acoustic measurement of wood stiffness

Creator:: Amishev, Dzhamal Y.
Abstract:: To remain competitive, the forest products industry needs to look for new and innovative processes and technologies to not only reduce costs but also to recover more value through the entire seedling-to-customer forest products supply chain. It is well recognized that measuring wood properties of logs in real time during...
Resource Type:: Dissertation
Full Text:: . Always having you two by my side has been emboldening and strengthening no matter the challenge. You

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

Sustainable energy for Galena, Alaska: Timber Harvest Management Plan

Creator:: Kalke, Timothy R.
Abstract:: Increased energy costs have prompted the rural village of Galena, Alaska to explore viable alternatives for heat and power generation. Continued dependency on petroleum products will cause the community’s economic driving force, the Galena Interior Learning Academy (GILA), to face uncertain operability. A wood-fired boiler is scheduled to be installed,...
Resource Type:: Capstone Project
Full Text:: economic impetus and the community’s largest employer, in no short order due to the large amount of

Wood properties and use of sensor technology to improve optimal bucking and value recovery of Douglas-fir

Creator:: Acuna, Mauricio A.
Abstract:: There are a number of wood properties which affect the quality of forest products such as lumber and pulp. Of these, wood density is considered by some to be the single most important physical characteristic because it is an excellent predictor of strength, stiffness, hardness, and paper-making capacities. Accurately assessing...
Resource Type:: Dissertation
Full Text:: wood properties survey. New Zealand Forest Research Institute Bulletin No. 50. 50pp. COWN, D.J

ScholarsArchive@OSU

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

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

Measuring costs of sequestering carbon in forest stands with different management regimes in western Oregon

An application of regression tree methodology in freeway travel time estimation using speed as a proxy

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

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

In-forest log segregation based on acoustic measurement of wood stiffness

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

Sustainable energy for Galena, Alaska: Timber Harvest Management Plan

Wood properties and use of sensor technology to improve optimal bucking and value recovery of Douglas-fir

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