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Filtering by: Subject Organic compounds -- Analysis Remove constraint Subject: Organic compounds -- Analysis Degree Field Soil Science Remove constraint Degree Field: Soil Science

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  • Exploring mechanisms that drive the development of reversible soil hydrophobicity

    Creator:
    Woolverton, Priscilla B.
    Abstract:
    This study focuses on one widespread characteristic of poor soil quality: hydrophobic soil. Previous research has produced conclusive evidence to show that soil hydrophobicity is affected by soil organic matter (SOM) and soil water content (WC). Hydrophobicity that responds to changes in WC is a unique form of surface hydrophobicity...
    Resource Type:
    Masters Thesis
    Full Text:
    evidence to show that soil hydrophobicity is affected by soil organic matter (SOM) and soil water

  • Association of hydrophobic organic compounds with dissolved soil organic carbon

    Creator:
    Ochs, Michael
    Abstract:
    Volatile hydrophobic compounds (HOCs) brought into soil and sediment systems represent a serious threat to the environment. Dissolved organic carbon (DOC) may exert an important influence over the total aqueous solubility and mobility of organic pollutants through their incorporation into micelles or the formation of soluble complexes. To date, however,...
    Resource Type:
    Masters Thesis
    Full Text:
    Humic acid He Dimensionless Henry's law constant HOC Hydrophobic organic compound HQW High-quality

  • Assessing the role of reactive metal species in soil organic matter cycling using chemical imaging

    Creator:
    Keiluweit, Marco
    Abstract:
    Intimate associations with reactive metal species permanently protect soil organic matter (SOM) from microbial access and oxidation, contributing to the build-up of organic carbon (C) stocks in soils. It is increasingly recognized, however, that such associations can be reversible and that reactive metal species might even facilitate the oxidation of...
    Resource Type:
    Dissertation
    Full Text:
    presented on October 25, 2013 Title: Assessing the Role of Reactive Metal Species in Soil Organic

  • Quantifying C and N contents and isotope signatures of SOM pools in the H. J. Andrews DIRT plots

    Creator:
    Keirstead, Heath
    Abstract:
    The mechanisms governing short- and long-term belowground carbon dynamics need to be understood. As part of a larger project developed to assess the effect of quantity and quality of litter inputs on the rate of soil organic matter (SOM) formation, I examined SOM in the H. J. Andrews Detritus Input...
    Resource Type:
    Masters Thesis
    Full Text:
    organic matter (SOM) formation, I examined SOM in the H. J. Andrews Detritus Input and Removal