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  • Assessment of Extraterrestrial Tracers Ir, Pt and ³He in Polar Ice Cores

    Creator:
    Mehmel, Nicholas C.
    Abstract:
    This thesis focuses on the investigation of extraterrestrial tracers Ir, Pt and 3He in polar ice cores. These tracers may be used to identify characteristics of interplanetary dust particles, and to quantify the flux of extraterrestrial material during impact events, certain volcanic eruptions, and stable background periods. In the first...
    Resource Type:
    Masters Thesis
    Full Text:
    : ____________________________________________ Edward J. Brook This thesis focuses on the investigation of extraterrestrial tracers Ir

  • William Keith Brooks (1848-1908) : a case study in morphology and the development of American biology

    Creator:
    Benson, Keith Rodney
    Abstract:
    The major historical studies that have examined American biology have emphasized the development of experimental biology at the end of the nineteenth century. In this characterization, the descriptive branch of biology has often been treated as less than important and, in several cases, as a hindrance in the application of...
    Resource Type:
    Dissertation
    Full Text:
    . Included among them were Alexander Agassiz (1835-1910), J. A. Allen (1838-1921), W. K. Brooks, William H

  • Nonindustrial forests, public policy and long-term timber supply in the South

    Creator:
    Brooks, David J.
    Abstract:
    Forest Service projections of the long-term supply and demand for forest products indicate that increasing importance will be placed on the supply behavior of nonindustrial private forest owners in the South. The inventory model on which these projections are based may produce biased estimates of southern timber production, however, as...
    Resource Type:
    Dissertation

  • David Foster Wallace's communal middle ground

    Creator:
    Randlemon, Daniel E.
    Abstract:
    Throughout the course of this thesis, I argue that the prose of David Foster Wallace, specifically his posthumously published novel The Pale King, inhabits a middle ground between universal sincerity and the particularized authenticity of postmodern irony. I examine Lionel Trilling's definitions of sincerity and authenticity before moving toward an...
    Resource Type:
    Masters Thesis
    Full Text:
    : __________________________________________________________________ Raymond J. Malewitz Throughout the course of this thesis, I argue that the prose of David

  • Interpreting Climate of the Past from High-Resolution Ice Core Records of Methane

    Creator:
    Lee, James E.
    Abstract:
    Methane is a product of biogeochemical processes which respond to changes in climate. The history of atmospheric methane is recorded by ice cores providing insight into past changes in these biogeochemical processes. This dissertation is comprised of three studies which focus on centennial- and millenial-scale variability of methane from ice...
    Resource Type:
    Dissertation
    Full Text:
    approved: Edward J. Brook Methane is a product of biogeochemical processes which respond to changes in

  • Understanding Signals of the South Pole Ice Core: Chronology, Climate, and Firn Processes

    Creator:
    Epifanio, Jenna A.
    Abstract:
    The South Pole ice core (SPC14), drilled in the field seasons of 2014/2015 and 2015/2016, is an intermediate length, 1,751-m ice core which preserves a 54,000-year record of past climate and atmospheric composition. The SPC14 ice core adds to the spatial grid of ice cores in Antarctica extending into the...
    Resource Type:
    Dissertation
    Full Text:
    , and Firn Processes Abstract approved: Edward J. Brook The South Pole ice core (SPC14), drilled in

  • The late holocene atmospheric methane budget reconstructed from ice cores

    Creator:
    Mitchell, Logan E.
    Abstract:
    Ice cores are considered the gold standard for recording past climate and biogeochemical changes. However, gas records derived from ice core analysis have until now been largely limited to centennial and longer timescales because sufficient temporal resolution and analytical precision have been lacking, except during rare times when atmospheric concentrations...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Edward J. Brook Ice cores are considered the gold standard for recording past climate and

  • Fostered Futures: A Campus Support Service for Former Foster Youth

    Creator:
    Kirker, Emma G.
    Abstract:
    An often overlooked student population within higher education, former foster youth, is a population that needs support. Students who were formerly a part of the foster care system who have since aged out, are left to navigate higher education institutions on their own. College support services tailored for the needs...
    Resource Type:
    Capstone Project
    Full Text:
    : ______________________________________________________ (Spirit D. Brooks) An often overlooked student population within higher education, former

  • Virulence characteristics of infectious pancreatic necrosis virus (IPNV) in brook trout, Salvelinus fontinalis, fry

    Creator:
    Maret, Joseph J.
    Abstract:
    Infectious pancreatic necrosis (IPN) is an acute, contagious disease of trout fry and fingerlings caused by viruses of the family birnaviridae. IPN disease usually results in mortality that is inversely proportional to the age of the fish. While many studies have been carried out to increase our understanding of IPN,...
    Resource Type:
    Masters Thesis
    Full Text:
    virus (IPNV) in brook trout, Salvelinus fontinalis, fry AN ABSTRACT OF THE THESIS OF Joseph J

  • Land ownership and forest cover in the Oregon Coast Range : spatial pattern and social ground-truthing

    Creator:
    Stanfield, Brooks J.
    Abstract:
    We use qualitative and quantitative methods to explore social and spatial relationships between land ownership and forest cover in the Oregon Coast Range. Using a Geographic Information System (GIS) and regression analysis, we tested for spatial relationships between the structure of land ownership and forest cover across 66 watersheds in...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Brooks Jameson Stanfield for