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  • Influence of a Sedimentary Source of Nd on Deep Ocean εNd Distributions

    Creator:
    Abbott, April N.
    Abstract:
    Ocean circulation is an important component in Earth's climate system. Predicting future climate and circulation changes requires an improved understanding of the past relationship between climate and ocean currents. The neodymium isotope composition (εNd) of water masses is frequently used as a quasi-conservative tracer to reconstruct ocean circulation. The current...
    Resource Type:
    Dissertation

  • AppleMgr, a prototype decision aid for apple pest management

    Creator:
    Haley, Sue
    Abstract:
    Computer decision aids can help integrate and apply diverse sources of information and expertise to problems of integrated pest management (IPM) in agriculture and forestry. AppleMgr combines a rule-based expert system with databases and spreadsheets in a prototype decision aid intended to be expanded and modified for use by extension...
    Resource Type:
    Dissertation
    Full Text:
    Prototype Decision Aid for Apple Pest Management by Sue Haley A THESIS submitted to Oregon State

  • Archaeological Textile Fragments Present an Opportunity In the Study of Social and Landscape Interactions

    Creator:
    Lopez, Kirsten M.
    Abstract:
    Textiles (including basketry, cordage, woven, knotted, or plaited products) make up a considerable portion of the perishable archaeological record in dry caves of the northern Great Basin region, much of which is created from plants and plant fibers. The archaeological study of precontact textiles greatly informs our understanding of how...
    Resource Type:
    Masters Thesis
    Full Text:
    support allowed the analysis possible: Jesse Muriatli, Chris Russo, Alyssa Shiel, Brian Haley, and

  • The Global Overturning Circulation Since the Last Glacial Maximum Based on Marine Authigenic Neodymium Isotopes

    Creator:
    Du, Jianghui
    Abstract:
    The Global Overturning Circulation (GOC) is a major component of the global climate system. Understanding its behavior is pertinent to our prediction of climate change in the future. The lack of long-term observations of GOC in the modern instrumental era necessitates studies of GOC using paleoceanographic records. Of great interest...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Alan C. Mix Brian A. Haley The Global Overturning

  • 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:
    guidance with chapter organization and completed a large portion of chapter editing. Brian Haley helped

  • Methane sources, fluid flow, and diagenesis along the northern Cascadia Margin; using authigenic carbonates and pore waters to link modern fluid flow to the past

    Creator:
    Joseph, Craig E.
    Abstract:
    Methane derived authigenic carbonate (MDAC) precipitation occurs within marine sediments as a byproduct of the microbial anaerobic oxidation of methane (AOM). While these carbonates form in chemical and isotopic equilibrium with the fluids from which they precipitate, burial diagenesis and recrystallization can overprint these signals. Plane polarized light (PPL) and...
    Resource Type:
    Masters Thesis
    Full Text:
    data collection throughout my study: Lisa Tedder, Brian Haley, Andy Ungerer, Jesse

  • Development of a rare earth element paleoproxy

    Creator:
    Haley, Brian Alexander, 1973-
    Abstract:
    This thesis describes the development of a rare earth element (REE) proxy for paleoceanographic studies of climate change. This work was done in three stages with the goal: (1) To develop a cleaning method that overcomes the problems of REE readsorption; (2) To measure pore water REEs for evaluation of...
    Resource Type:
    Dissertation
    Full Text:
    . ©Copyright by Brian Alexander Haley August 10, 2004 All Rights Reserved Development of a Rare Earth

  • Pre-modern Arctic Ocean circulation from surface sediment neodymium isotopes

    Creator:
    Haley, Brian A. and Polyak, Leonid
    Abstract:
    We present a survey of Nd isotopes measured from authigenic phases on surface sediments from the Arctic Ocean seafloor. Comparison with published dissolved water column Nd isotope distributions suggests that epsilon Nd from sediment leachates accurately represents bottom water circulation of the Arctic Ocean, with Atlantic (similar to 11 epsilon...
    Resource Type:
    Article
    Full Text:
    Polar Research Center, Ohio State University, Columbus, Ohio, USA. Corresponding author: Brian A. Haley

  • Bright lights, big city : electrified female desire in Edith Wharton and Theodore Dreiser

    Creator:
    Larsen, Haley A.
    Abstract:
    This thesis explores the electrified female subject in two novels, Theodore Dreiser's Sister Carrie (1900) and Edith Wharton's The House of Mirth (1905). As cultural touchstones, two literary works that prominently feature electricity -- Henry James' story "In the Cage" and Henry Adams' biography The Education of Henry Adams --...
    Resource Type:
    Masters Thesis
    Full Text:
    ! ! AN ABSTRACT OF THE THESIS OF Haley A. Larsen for the degree of Master of Arts in English presented

  • The evolutionary stability of partial migration

    Creator:
    Ohms, Haley A.
    Abstract:
    Natural selection, in its most basic form, is described as a process in which traitsincrease or decrease in frequency depending on their fitness, and only the trait withthe highest fitness will remain in the population. Yet, populations rarely have asingle `optimal' trait. The way natural selection maintains this observed variationwithin...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Haley A. Ohms for the