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  • Flow processes in the dry regime : the effect on capillary barrier performance

    Creator:
    Jansik, Danielle P.
    Abstract:
    Engineered capillary barriers typically consist of two layers of granular materials designed so that the contrast in sediment hydrologic properties and sloping interface retains infiltrating water in the upper layer. We report here on the results of two bench-top capillary barrier experiments, and associated modeling. These experiments were conducted to...
    Resource Type:
    Masters Thesis
    Full Text:
    : Dorthe Wildenschild Engineered capillary barriers typically consist of two layers of granular

  • Physiochemical mechanisms for the transport and retention of technetium

    Creator:
    Jansik, Danielle P.
    Abstract:
    Understanding the transport and retention of radionuclides in the environment is important for protecting freshwater supplies and minimizing impact to biologic systems. Technetium-99 (Tc⁹⁹) is a radionuclide of interest due to its long half-life (2.13 x 10⁵ years) and toxicity. In the form of pertechnetate (TcO₄⁻), Tc is expected to...
    Resource Type:
    Dissertation
    Full Text:
    Dorthe Wildenschild for their advising, support, time and encouragement over the years. I also am