Decision Analysis Model for Well Rehabilitation and Groundwater Development, Moses Lake, Washington
A decision analysis model has been developed for evaluating various well rehabilitation strategies and long-term groundwater development alternatives, as well as various investigation...
Seattle Swings Again
The 1992 Outstanding Civil Engineering Achievement Award went to a bridge that the experts said couldn't be built�a concrete segmental box girder swing bridge with twin leaves...
Seattle Plays It Safe
To ensure the reliability of its aging water system in a major earthquake, the Seattle Water Department commissioned a comprehensive assessment of the system's seismic reliability...
Mobile-Bed Physical Model Tests for the 1992 Olympic Harbour
The undistorted physical model is described which allowed the measurement of the wave induced velocity field along the main breakwater, and also in Somorrostro Beach (Barcelona). The current...
Building Consensus on Water Resource Management Planning in Washington
The perception of plenty has hampered efforts to increase public understanding of the importance of water planning and conservation in Washington State, where enough water in the right...
Highway Robbery: The Social Costs of Hazardous Materials Incidents on the Capital Beltway
In the summer of 1988, three major truck incidents involving hazardous materials occurred on the Capital Beltway in Washington, D.C. This paper estimates the delays that were incurred...
The States/British Columbia Oil Spill Task Force
The States/British Columbia Oil Spill Task Force, consisting of government representatives from Washington, British Columbia, Alaska, Oregon, and California, formed in 1989 in response...
Pollution Control Strategies of the Puget Sound Water Quality Management Plan: Puget Sound Water Quality Authority
In 1988 EPA designated Puget Sound as an estuary of national significance under section 320 of the Clean Water Act. Due to its natural beauty, favorable climate, and economic health, the...
Crab and Salmon Habitat Enhancement in Grays Harbor Estuary, Washington
A description of mitigation for crab losses and reduced salmonid habitat, expected to occur during construction of the Grays Harbor, Washington, Navigation Improvement Project, is presented....
Vulnerability of the U.S. to Future Sea Level Rise
The differential vulnerability of the conterminous United States to future sea level rise from greenhouse climate warming is assessed, using a coastal hazards data base. This data base...
An Evaluation of the Role of Port Administration in Comprehensive Planning and Management of the Canadian Coast?The Example of Vancouver
The current institutional approach adopted to plan and regulate developments in Canada's major ports is assessed. To determine the effectiveness of the Canadian approach,...
Global Climate Change Assessment in Washington State
Two global climate change assessment projects were initiated by Washington state in 1988: first a Sea Level Rise Response Program and then Washington Environment 2010. The Sea Level Rise...
Evidence for Eustatic Influence on Cenozoic Sedimentation of Coastal Washington and Oregon
Comparison of the absolute age boundaries of the West Coast biozonation with the Cenozoic global cycle chart indicates that 12 of the 15 zonal boundaries coincide with regressive sequence...
Trihalomethane Control: A Case Study
Controlling trihalomethanes (THMs) has been an important part of many utilities' water treatment programs since THMs were first regulated in 1979. The increased disinfection...
Twin Falls Mitigation Plan: Long Term Monitoring of Fish Populations
A fishery monitoring and enhancement plan has been worked out for the Twin Falls Hydroelectric Project which diverts water from a one mile reach of the South Fork Snoqualmie River in Washington...
Distribution and Grain Sizes of Deposited Reservoir Sediments, Seventy Years after Dam Construction
The Elwha and Glines Canyon Hydroelectric Projects are located on the Elwha River in the northwest portion of the Olympic Peninsula in Washington State. The Elwha Dam was completed in...
How the Office of Hydropower Licensing Resolved Seven Recent Relicensing Disputes
In May 1989, the Federal Energy Regulatory Commission (Commission) issued relicensing regulations in Order No. 513 to (1) help licensees whose hydropower licenses were about to expire...
The PEC Headworks Project?A Cooperative Hydropower Development
The PEC Headworks Project is a single-unit hydroelectric facility located at the headworks of the Potholes East Canal at O'Sullivan Dam on the Potholes reservoir near Moses...
Potholes East Canal Headworks Project
The construction of 6.5 MW Potholes East Canal Headworks in Washington required near vertical excavation of about 100 ft (30 m) through the existing earthfill dam founded on columnar basalt....
Dardanelle Turbines
The Dardanelle turbines located at river mile 205.5 of the McClellan-Kerr Arkansas River Navigation System, are experiencing an unusual amount of wear in the blade trunnion bushings. Oil...
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