Long-term Goals of Osaka Port Improvement Project
Space in cities formed on coastal plains can be easily expanded by reclamation in Japan. Osaka Port, the waterfront of City of Osaka, has always supported the economic activities of the...
The Policy Roots of Louisiana's Land Loss Crisis
Louisiana is currently losing approximately 155 square kilometers of highly productive wetlands to the Gulf of Mexico each year and the rate is accelerating. The physical cause of the...
Restoring the Redwood Creek Estuary
During the mid-1960's, construction of a flood control project drastically altered the lower 5. 1 kilometers of Redwood Creek, impairing the physical and biological functioning...
Exploration for Oil and Gas on the Arctic National Wildlife Refuge, Coastal Plain, Alaska
The fundamental issue affecting the Coastal Plain of ANWR is one of management of the area for wilderness preservation or for multiple use. However, assuming Congress decides to open the...
Arctic Wetland Losses: When Should Compensation be Required?
The paper discusses problems facing biological impact assessment and mitigation planning for petroleum exploration and oilfield development on the Arctic Coastal Plain or North Slope of...
Coastal Flood Control Facility Design Parameters
The development of design parameters for a storm runoff detention facility located on lowlands adjacent to an estuary and discharging into the tidal zone are discussed. The parameters...
Developing Findings of Fact for a Hazard Mitigation and Preparedness Plan for the City of Waldport/Alsea Bay Area, Lincoln County, Oregon
Marine erosion attributed to the effects of the 1983 El Nino resulted in the loss of the distal tip of Alsea Spit in 1985 enlarging Alsea Bay inlet by 300% and subjecting the City of Waldport...
Little River: An Investigation of Coastal Environment
Little River is located about 6. 5 kilometres north of Comox on the east side of Vancouver Island. The last major flood in February of 1983 resulted in the river breaking through the beach...
Evaluation of and Recommendations for Drop Structures in the Denver Metropolitan Area
In 1982, the Denver Urban Drainage and Flood Control District published interim guidelines for the design of sloped, loose riprap drop structures, as well as vertical wall drop structures...
Parking Lot Drainage Design: Gainesville, Florida
The construction of a 10-acre (4. 05 ha) parking facility (1,000-car capacity) at the University of Florida during 1984 presented the potential for increasing downstream flooding and for...
Rehabilitation of Williams Bridge Dam
Pennsylvania Gas and Water Company initiated construction work to upgrade the 90-year old dam in order to meet current dam safety standards with emphasis on satisfying Probable Maximum...
Discharge and Depth Behind a Partially Breached Dam
The role that the velocity-distribution correction factor plays in the determination of the flood discharge and corresponding flow depth behind a partially breached dam is investigated....
Predicting and Minimizing Embankment Damage Due to Flood Overtopping
Under a contract with the Federal Highway Administration and Bureau of Reclamation, Simons, Li & Associates, Inc. (SLA) is conducting an overtopping damage study to evaluate various...
Limitations of Saint Venant Equations to Model Flood Waves
The subject of this paper is in direct contrast to all previously known research efforts. Previous effort has focused on simplified forms of Saint Venant using approximate routing models...
Improved Robustness of the NWS DAMBRK Algorithm
The combination dam breach and flood routing numerical model called DAMBRK has been developed by the National Weather Service (NWS) for forecasting river flooding events (Fread, 1984)....
Effects of Land Subsidence on Flood Profiles
In this study, the effects of land subsidence on water-surface elevation and depth profiles during flood conditions were investigated for a large, hypothetical, slope-controlled stream....
Flood-Control Channel Stability Assessment
Guidelines for conducting a stability assessment of a channel proposed to be modified for flood control are presented in this paper. The basis behind this assessment is that a channel...
Regulatory Floodway Width Estimation
A simple algebraic equation is presented for determining the width of the regulatory or designated floodway. The equation shows that for a given ratio of the permissible increase in flood...
Roughness Coefficients of Large Floods
Most hydraulic calculations of flow in channels and overbank areas require an evaluation of flow resistance generally expressed as Manning's roughness coefficient, n. Literature...
Diversion Structure for Peak Flow Reduction
The flood control requirements of a planned development in the City of Orange, California were such that the peak discharges ranging from an annual flood up to 25-year return period be...
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