Index Catalog // ScholarsArchive@OSU

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:: Optimal Bucking and Value Recovery of Douglas-fir. Abstract approved: Glen E. Murphy

Estimating volume and value on standing timber in hybrid poplar plantations using terrestrial laser scanning : a case study

Creator:: Barnett, Jennifer S.
Abstract:: Terrestrial laser scanning (TLS) may provide a way to increase timber value recovery by replacing manual timber cruising with a simple-to-use, cost-effective alternative. TLS has been studied in several trials worldwide. Past studies have not compared TLS based estimates with mill estimates of stem value and volume. Three differently stocked...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________________________________________ Glen E. Murphy Terrestrial laser scanning (TLS) may provide a way to increase timber value

Managing woody biomass transportation for improved biomass economics

Creator:: Han, Sang-Kyun
Abstract:: With rising fuel costs and enhanced environmental concerns, the use of renewable energy has been steadily considered and widely expounded as a solution to the challenges of global energy security and climate change. The use of woody biomass, in particular, has received considerable attention for energy production due to the...
Resource Type:: Dissertation
Full Text:: Engineering Research Institute of Canada. 23 p. Sun. M., J. Aronson, P. McKeown, and D. Drinka. 1998. A tabu

Optimal harvesting of continuous age structured populations

Creator:: Smith, Steven J.
Abstract:: We investigate the optimal harvesting strategies for McKendrick type population models. Models of this type endow the population with a continuous age structure. They consist of a partial differential equation with a boundary condition which involves an integral of the solution. We study two problems, the first concerns the yield...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Steven J. Smith for the degree of

Modeling air-drying of Douglas-fir and hybrid poplar biomass in Oregon

Creator:: Kim, Dong-Wook
Abstract:: Both transportation costs and market values of woody biomass are strongly linked to the amount of moisture in the woody biomass. Therefore, managing moisture in the woody biomass well can lead to significant advantages in the woody biomass energy business. In this study, two prediction models were developed to estimate...
Resource Type:: Masters Thesis
Full Text:: : Glen E. Murphy Both transportation costs and market values of woody biomass are strongly linked

Evaluation of six tools for estimating woody biomass moisture content

Creator:: Becerra Ochoa, Fernando Amador
Abstract:: Woody biomass transportation costs and market values/costs are strongly correlated with the woody biomass moisture content. Properly managing moisture content can potentially lead to economic and environmental advantages in biomass energy markets. Good management requires accurate moisture content measurements. Therefore, availability of accurate, precise, reliable, and efficient tools to assess...
Resource Type:: Masters Thesis
Full Text:: : ________________________________________________________________________ Glen E. Murphy Woody biomass transportation costs and market values/costs are strongly

Phytoplankton fluorescence and survival below the euphotic zone in the California current system

Creator:: Murphy, Alice M.
Resource Type:: Masters Thesis
Full Text:: IN THE CALIFORNIA CURRENT SYSTEM Alice M. Murphy and T. J. Cowles College of Oceanic and

An investigation of factors affecting the optimal output log distribution from mechanical harvesting and processing systems

Creator:: Marshall, Hamish Douglas
Abstract:: Globally the forest harvesting industry is becoming increasingly mechanized. Driving this trend is the desire to increase productivity and reduce cost, as well as to improve labor-related issues. With mechanization comes an in-forest platform for the introduction of state-of-the-art communication and measurement technologies, and powerful on-board computers. These systems have...
Resource Type:: Dissertation
Full Text:: : ________________________________________________________ Glen E. Murphy Globally the forest harvesting industry is becoming increasingly mechanized

Estimating spatial changes in acoustic velocity in felled Douglas-fir stems

Creator:: Dowding, Bodie
Abstract:: To compete with other building materials, the wood products industry must find a way to increase value and lower costs. Wood stiffness is important for most wood uses. Value can be increased and costs can be lowered by sorting logs for stiffness in the woods using acoustic devices mounted on...
Resource Type:: Masters Thesis
Full Text:: Douglas-fir Stems Abstract approved: Glen Murphy To compete with other building materials

Evaluation of a prototype NIR system for Douglas-fir wood density estimation

Creator:: Belart Lengerich, Maria Francisca
Abstract:: Forest products companies in the U.S. face vigorous competition from other wood producers around the world and other industries (steel, aluminum, plastics, composites). To be competitive, forest companies need to control costs, sort and allocate logs to the most appropriate markets, and recover more value at time of harvest. Interest...
Resource Type:: Masters Thesis
Full Text:: for Douglas-fir Wood Density Estimation. Abstract approved: Glen E. Murphy Forest

ScholarsArchive@OSU

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

Estimating volume and value on standing timber in hybrid poplar plantations using terrestrial laser scanning : a case study

Managing woody biomass transportation for improved biomass economics

Optimal harvesting of continuous age structured populations

Modeling air-drying of Douglas-fir and hybrid poplar biomass in Oregon

Evaluation of six tools for estimating woody biomass moisture content

Phytoplankton fluorescence and survival below the euphotic zone in the California current system

An investigation of factors affecting the optimal output log distribution from mechanical harvesting and processing systems

Estimating spatial changes in acoustic velocity in felled Douglas-fir stems

Evaluation of a prototype NIR system for Douglas-fir wood density estimation

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