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  • Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

    Creator:
    Schroth, Martin Herbert
    Abstract:
    Chromium spills on soils are causing severe groundwater contamination problems. To increase the performance of cleanup methods, the chemical behavior of chromium in soils and its transport through soils have to be understood. The objectives of this research were to investigate the sorption characteristics of chromium(VI) in soil and to...
    Resource Type:
    Masters Thesis
    Full Text:
    . Grove and Stollenwerk (17) modeled chromium(VI) movement through alluvial materials coated with iron

  • 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:
    19, 1973 41 17 Dissolved oxygen vs. distance, January 30, 1973 44 18 Dissolved oxygen vs. distance

  • Chetco River tidal hydrodynamics and associated marina flushing

    Creator:
    Tang, Shing Shirly
    Abstract:
    The purpose of this study was to provide an understanding of the interrelationships between fresh and salt water Circulation, tidal transport and flushing patterns in the Chetco River estuary and its boat basins. Field work and water quality measurements were conducted at the entrance of the Chetco River during 1975...
    Resource Type:
    Masters Thesis
    Full Text:
    applied to the new boat basin, Port of Brookings. 1 6 10 15 17 22 25 40 49 49 SO 54 57 60

  • Effects of pressure and deposit thickness on the stabilization rate of benthic marine sludge deposits

    Creator:
    Muellenhoff, W. P.
    Abstract:
    The biochemical degradation of domestic sludge deposits exposed to benthic marine conditions was investigated using a laboratory Deep Sea Simulator. The rate and extent of deposit stabilization were determined for select hydrostatic pressures and hydrogen acceptor conditions by monitoring depletion of particulate organic carbon in 2.0 and 3.0 centimeter deposits....
    Resource Type:
    Dissertation
    Full Text:
    80 17. Particulate Organic Carbon, Experiment 1, 34 Atmospheres 81 18. Particulate Organic Carbon

  • Airphoto analysis of estuarine circulation

    Creator:
    Weise, Harry Gordon
    Abstract:
    Aerial photography has become a valuable method of acquiring information on estuarine current circulation patterns. The method provides a comprehensive picture of nearly simultaneous surface water movements. It represents a significant improvement over conventional surface float and current meter methods because large areas may be covered in great detail with...
    Resource Type:
    Masters Thesis
    Full Text:
    in this study, shown in Figure 1, consists of a K-17 mapping camera and two 70 mm Hassel- blad

  • The control and fate of enteric bacteria in the environment with particular emphasis on the factors influencing fecal indicator survival in waste storage facilities

    Creator:
    Crane, Stuart R.
    Abstract:
    The indiscriminate release of fecal bacteria to the environment can present a public health hazard when pathogenic species gain access to drinking and recreational water sources. The extent of bacterial contamination of surface and ground waters associated with animal production units and waste application areas seems largely dependent on the...
    Resource Type:
    Dissertation
    Full Text:
    at 8°C and 17°C, found Salmonella eliminated in 5 to 25 days. Similar results were determined with

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

    Creator:
    McKenzie, David Roller
    Abstract:
    During 1973 data was collected to analyze the seasonal variations of the tidal dynamics, water quality and sediments of the Alsea Estuary. A summary of historical information with a list of all known alterations to the estuary was made. A complete physical description, including the geographical setting and mixing classification...
    Resource Type:
    Masters Thesis
    Full Text:
    . PHYSICAL DESCRIPTION 17 Geological Setting 17 Physical Dimensions 19 Tides 23 Drainage Basin 24

  • Input/output energy analysis of regional water pollution control

    Creator:
    Heggen, Richard J.
    Abstract:
    Two strategic approaches to water quality control in Oregon's Willamette River are presently being utilized: point source treatment and flow augmentation. Dry weather releases from reservoirs are for authorized purposes other than water quality. Reservoirs can participate in pollution control by summer flow augmentation where authorized water resource objectives (flood...
    Resource Type:
    Dissertation
    Full Text:
    Willamette Basin 17 6 Willamette Reservoir Rule Curve, Storage, and Discharge , at Salem 18 7 Annual Low