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  • Behavior of stream inflows to a stratifying field reservoir

    Creator:
    Chasse, James Peter
    Abstract:
    The behavior of a stream upon entering a field reservoir was studied at various stages of stratification. The principal field techniques included fluorometric and temperature surveys. General relationships were obtained, between dimensional and locational characteristics of the inflow current and the thermal structure of the impoundment. As predicted by analytical...
    Resource Type:
    Masters Thesis
    Full Text:
    FIELD RESERVOIR Redacted for Privacy Abstract approved: "'Larry S. Slotta The behavior of a stream

  • Use of benthic sediments as indicators of marina flushing

    Creator:
    Noble, Scott Morgan
    Abstract:
    This report presents the findings of a sediment analysis program formulated to determine the flushing potential of various shaped small boat marina basins. Chemical tests regarding volatile solids, Kjeldahl nitrogen, grease and oil, and sulfides were performed with the results compared to established sediment quality criteria. These results were used...
    Resource Type:
    Masters Thesis
    Full Text:
    Df7Larry S. Slotta This report presents the findings of a sediment analy- sis program formulated to

  • Evaluation of estuarine channel conditions in Coos Bay, Oregon using side-scan sonar

    Creator:
    Hartman, Gregory L.
    Abstract:
    Side-scan sonar records in Oregon's Coos Bay estuary navigation channels were obtained at intervals of two to three months during the November 1974 - October 1975 time period from Coos Bay Channel Mile 11+50 to 15+20, and from a reach in the Marshfield Channel. A limited side-scan survey effort was...
    Resource Type:
    Masters Thesis
    Full Text:
    : Redacted for Privacy Dr. Larry S. Slotta Side-scan sonar records in Oregon's Coos Bay estuary navigation

  • Flows associated with harbor ship traffic

    Creator:
    Downs, Richard Allen
    Abstract:
    The purpose of this study was to ascertain the potential erosion impacts associated with ship movements in confined waters. The flow associated with a ship passage can be separated accordingly: (1) the propeller wake, (2) flow about the hull, and (3) associated waves. Each of these areas has been analyzed...
    Resource Type:
    Masters Thesis
    Full Text:
    advice and encouragement of Dr. Larry Slotta who served as major professor. Additional help has been

  • Ambient current effects on vertical selective flow withdrawal in a two layer reservoir system

    Creator:
    Charbeneau, Randall Jay
    Abstract:
    Withdrawal from a two-layer flow field is examined in terms of the degree of selectivity of the withdrawal flow and its dependence on an ambient current. Selectivity is defined as the bias of withdrawing one layer more strongly than the other; the extreme' case is complete selective withdrawal, where one...
    Resource Type:
    Masters Thesis
    Full Text:
    and continued encouragement and interest of Dr. Larry S. Slotta who served as major professor. Thanks

  • Entering streamflow effects on currents of a density stratified model reservoir

    Creator:
    Elwin, Elmer Harvey
    Abstract:
    The effect of entering streamflow on currents of a density stratified reservoir has been studied in a laboratory model to provide insight into the prediction, control, and maintenance of quality water discharge from a thermally stratified reservoir. Twenty experiments were performed using various concentrations of a sodium chloride solution to...
    Resource Type:
    Masters Thesis
    Full Text:
    Privacy Larry S. Slotta The effect of entering streamflow on currents of a density stratified reservoir

  • Discharge coefficient of an estuarine entrance

    Creator:
    Boley, Scott L.
    Resource Type:
    Masters Thesis
    Full Text:
    Redacted for PrivacyAbstract approved Dr. Larry S. Slotta An estuarine entrance was examined as a

  • Sand pumping efficiency of a water ejector apparatus

    Creator:
    Saguanwongse, Suvat
    Abstract:
    The purpose of this investigation is to study the effect of the solid transport capacity in pumping operation: A special type of jet apparatus was investigated which emits a water jet downward counter current to delivery flow, from inside of the suction pipe toward sediment to be excavated. Two sizes...
    Resource Type:
    Masters Thesis
    Full Text:
    and gratitude to his major professor Dr. Larry S. Slotta for his guidance, under- standing

  • Seasonal variations in tidal dynamics, water quality and sediments in the Siuslaw Estuary

    Creator:
    Utt, Michael Ernest
    Abstract:
    Seasonal data on tides, water quality and sediments in the Siuslaw Estuary were collected. Tide and velocity data were analyzed to evaluate damping conditions in the estuary. The system was found to approximate a weakly damped standing wave. A strong relationship of damping conditions to river flow was observed. The...
    Resource Type:
    Masters Thesis
    Full Text:
    Redacted for Privacy Larry S. Slotta Seasonal data on tides, water quality and sediments in the Siuslaw

  • Pressure distribution around a circular cylinder resting on a flat boundary in an oscillating fluid

    Creator:
    Johnson, Ronald Ernest
    Abstract:
    This study was undertaken to provide information needed in the design of ocean outfalls. A review of past investigations concerning forces on submerged objects is presented. Objects independent of any boundary and cylinders in boundary contact are considered. A solution for pressure distribution about a circular cylinder resting on a...
    Resource Type:
    Masters Thesis
    Full Text:
    possible. Appreciation is extended to Dr. Larry Slotta for his advice and assistance in the preparation