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  • Dynamics of the Laurentide Ice Sheet

    Creator:
    Carlson, Anders Eskil
    Abstract:
    This dissertation concentrates on the controlling factors on the instability of the Laurentide Ice Sheet (LIS) and their effects on abrupt climate change. Northern Hemisphere climate fluctuated abruptly during the last deglaciation possibly related to variability in Atlantic meridional overturning circulation (AMOC) and reduced aerial extent of the LIS. Reductions...
    Resource Type:
    Dissertation
    Full Text:
    contributed to enlightening discussions of till rheology and behavior. Dorthe Wildenschild and Justin

  • Investigating capillary pressure and interfacial area for multiphase flow in porous media using pore-scale imaging and lattice-Boltzmann modeling

    Creator:
    Porter, Mark L.
    Abstract:
    Recent advances in imaging technology and numerical modeling have greatly enhanced pore-scale investigations of multiphase flow and transport in porous media. It is now feasible to obtain high resolution 3-dimensional pore-scale data, and numerical methods such as the lattice- Boltzmann (LB) technique have been developed specifically for simulating such phenomena....
    Resource Type:
    Dissertation
    Full Text:
    Imaging and Lattice-Boltzmann Modeling Abstract approved: Dorthe Wildenschild Recent advances in imaging

  • Fate of THMs in Columbia River basalts during aquifer storage and recovery

    Creator:
    Bertrand, Danelle
    Abstract:
    Use of basalt aquifers for aquifer storage and recovery (ASR) systems is increasing in the Pacific Northwest due to the large aerial extent of the Columbia River Basalt Group and the suitability of basalts as ASR reservoirs. However, the degradation of trihalomethanes (THMs), potentially carcinogenic disinfection by-products present in the...
    Resource Type:
    Masters Thesis
    Full Text:
    : Jonathan D. Istok Dorthe Wildenschild Use of basalt aquifers for aquifer storage

  • Microbial enhanced oil recovery : a pore-scale investigation of interfacial interactions

    Creator:
    Armstrong, Ryan T.
    Abstract:
    Current oil production technologies recover only about one‐third to one‐half of the oil originally present in an oil reservoir. Given current oil prices, even a modest increase in oil recovery efficiency is fiscally attractive. One novel approach to increase oil recovery efficiency is a process called microbial enhanced oil recovery...
    Resource Type:
    Dissertation
    Full Text:
     Investigation of Interfacial Interactions      Abstract approved:      Dorthe Wildenschild    Current oil