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  • Mathematical approaches to the physics of mesoscale oceanography

    Creator:
    Early, Jeffrey J.
    Abstract:
    The long-term evolution of Gaussian eddies is studied in an equivalent barotropic model using both linear and nonlinear quasi-geostrophic theory in an attempt to understand westward propagating satellite altimetry tracked mesoscale eddies. By examining both individual eddies and a large basin seeded with eddies, it is shown that long term...
    Resource Type:
    Dissertation
    Full Text:
    1 AN ABSTRACT OF THE DISSERTATION OF Jeffrey J. Early for the

  • The Evolution and Propagation of Quasigeostrophic Ocean Eddies

    Creator:
    Early, Jeffrey J., Samelson, R. M., and Chelton, Dudley B.
    Abstract:
    The long-term evolution of initially Gaussian eddies is studied in a reduced-gravity shallow-water model using both linear and nonlinear quasigeostrophic theory in an attempt to understand westward-propagating mesoscale eddies observed and tracked by satellite altimetry. By examining both isolated eddies and a large basin seeded with eddies with statistical characteristics...
    Resource Type:
    Article
    Full Text:
    Quasigeostrophic Ocean Eddies* JEFFREY J. EARLY, R. M. SAMELSON, AND DUDLEY B. CHELTON College of Oceanic and

  • Sulfation of fucoidin in Fucus zygotes : intermediates of sulfate transfer

    Creator:
    Peterman, Jeffrey J.
    Resource Type:
    Masters Thesis
    Full Text:
    Transfer AN ABSTRACT OF THE THESIS OF JEFFREY J. PETERMAN for the degree of MASTER OF SCIENCE in Botany

  • Design of a heat exchanger network to challenge controller design methods

    Creator:
    Pashak, Jeffrey J.
    Abstract:
    A simple heat exchanger network has been studied as an example of a dynamically interactive process. The process is relatively simple, requiring only temperature measurements and flow rate manipulations. Equations are presented for the design of a physical process having a specified steady-state Relative Gain Array and specified dynamic characteristics....
    Resource Type:
    Masters Thesis
    Full Text:
    design methods AN ABSTRACT OF THE THESIS OF Jeffrey J. Pashak for the degree of Master of Science in

  • On the Economics of Virtual Water Trade

    Creator:
    Reimer, Jeffrey J.
    Abstract:
    Virtual water trade is increasingly recognized as a useful metaphor for thinking about freshwater resources in an international context. Its legitimacy in terms of economic theory has been questioned by a number of authors, however. In this article I develop new theoretical results that place the virtual water concept on...
    Resource Type:
    Article
    Full Text:
    of Virtual Water Trade Jeffrey J. Reimer Department of Agricultural and Resource

  • Wood Pole Maintenance Manual : 2012 Edition

    Creator:
    Morrell, Jeffrey J.
    Abstract:
    The specification, inspection, and remedial treatment of utility poles are addressed. Included are discussions of enhancing specifications for improved performance, techniques for detecting decay and other defects, and chemical treatments available for arresting decay of poles in service.
    Resource Type:
    Technical Report

  • Resistance of Selected Wood-Based Materials to Fungal and Termite Attack in Non–Soil Contact Exposures

    Creator:
    Morrell, Jeffrey J.
    Abstract:
    The resistance of three naturally durable heartwood species and a stranded giant bamboo product to fungal and termite (Coptotermes formosanus) attack was evaluated at a test site located near Hilo, Hawaii. Merbau (Intsia bijuga or I. palembanica) and ipe (Tabebuia spp.) were both exceptionally resistant to fungal and termite attack,...
    Resource Type:
    Article
    Full Text:
    Wood-Based Materials to Fungal and Termite Attack in Non–Soil Contact Exposures Jeffrey J. Morrell

  • Occurrence of preservative-treated wood in a wood recovery center in Western Oregon

    Creator:
    Morrell, Jeffrey J.
    Abstract:
    The amounts of treated wood present at a wood recycling center in western Oregon were surveyed over a 10-year period. Treated wood was found at 106 of 112 inspections, but the levels never exceeded 2 percent of the volume present. The amount of treated wood averaged 0.15 percent of the...
    Resource Type:
    Article
    Full Text:
    a Wood Recovery Center in Western Oregon Jeffrey J. Morrell Abstract The amounts of treated wood

  • Bioassaying wood preservatives with Aspergillus niger

    Creator:
    Morrell, Jeffrey J.
    Abstract:
    The bioassay with Aspergillus niger is a simple way of determining the presence and amount of pentachlorophenol or tributyltin oxide in wood, but it does not appear useful for measuring strongly fixed chemicals such as chromated copper arsenate, borate, and fluoride. Its effectiveness in detecting other preservatives has not been...
    Resource Type:
    Article
    Full Text:
    JeHrey J. Morrell Assistant Professor Department of Forest Products, College of Forestry Oregon State

  • Decomposition of metham sodium to methylisothiocyanate as affected by wood species, temperature, and moisture content

    Creator:
    Morrell, Jeffrey J.
    Abstract:
    The effect of various wood characteristics on decomposition of metham sodium to methylisothiocyanate in sixteen North American and Southeast Asian hardwoods and softwoods was investigated. While marked differences were noted in the degree of decomposition among some species, the relationship between decomposition and lignin content, extractive levels, wood pH, or...
    Resource Type:
    Article
    Full Text:
    AFFECTED BY WOOD SPECIES, TEMPERATURE, AND MOISTURE CONTENT1 Jefrey J. Morrell Assistant Professor