Flood Hazard Scenarios in a Pleistocene-Holocene Basin
Technical scenarios are used to characterize the flood hazard in the Bayou Fountain Basin, an area of complex geomorphology and urbanization. Floods from three sources, 1) local precipitation,...
Urban Hydrologic Modelling: HEC's Experience
Urban hydrologic modelling began at the Hydrologic Engineering Center (HEC) with the first versions of the HEC-1 Flood Hydrograph Package. The early applications were for large, primarily...
Uncertainty in Urban Hydrologic Modeling
Uncertainty is pervasive in hydrologic modeling. Uncertainty is present in the formulation of the physical situation to be modeled, in the form of the model to be used, in the boundary...
Model Mania in Urban Hydrology: Present Dilemmas
A recent ASCE Task Committee on microcomputer software in urban hydrology has just completed its inventory of 40 software packages available at modest cost to the urban drainage engineer....
Unification in Estimation of Confidence Intervals
One area of future development needs in technology pertaining to surface runoff hydrology is the unification of techniques used by govermental agencies in the estimation of surface runoff...
Rehabilitation of Urban Pipelines
The City of Los Angeles is embarking on a replacement and rehabilitation program for the distressed portions of its sanitary sewer system which will cost in the hundreds of millions of...
1991 Update on Sanitary Sewer Rehabilitation Metropolitan Chicago
The Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) owns intercepting sewers and seven water reclamation plants, but 125 local communities own the local sewers which...
Management of Subsidence in an Urban Environment
Houston, Texas is the fourth largest city in the United States and with its metropolitan area included, comprises a population of almost four million people. Large quantities of groundwater...
Ground Water Management in the Memphis, Tennessee Urban Area
In 1887, the first known water well was placed in the aquifer which presently supplies almost 100% of the water used by the Memphis Urban Area (MUA). Since that time, the MUA has developed...
Optimizing Urban Ground Water Supply Systems
The cost of Pumping comprises a major part of total water operation and maintenance expenses. Most utilities attempt to keep these costs down. However, there are areas of study that may...
Stormwater Management Policies for Two Urbanizing Communities in Western Suburban Cleveland
The cities of North Ridgeville and Avon Lake, Ohio are two western suburbs of Cleveland. The recent completion of the interstate highway, I-480, the resurgence of Lake Erie as a prime...
Source Identification and Ranking of Wet Weather Discharges in an Urban Area
A study has recently been completed to characterize the pollutant loadings to the Providence River, RI during wet weather conditions. A total of 11 land based sampling stations including...
Evaluation of Stormwater and CSO Impact on Portland's Columbia Slough
A team of consultants studied the impacts of stormwater and combined sewer overflows on an urban drainageway to determine if increased beneficial stream uses were attainable. Planning-level...
Hugo-1989! Lessons Learned by Local Government Charlotte, N. C.
Hurricane HUGO taught many quick lessons to the City of Charlotte and Mecklenburg County. Some of the lessons were those which every government official should learn. No one signed up...
Public Involvement in Coastal Planning?The Long Beach Experience
A land use plan is often the creation of a professional planning staff prepared in response to the direction of public officials. When the City of Long Beach, California, was required...
Beyond Mitigation: Achieving Habitat Restoration and Enhancement at the Local Level
The City of Olympia, located on Budd Inlet in Puget Sound, has undertaken the development of an Urban Waterfront Plan. This plan will become part of the Shoreline Master Program, the local...
Environmental Impact Assessment Requirements for Coastal Development in Malaysia
The social and economic consequences of coastal erosion and the concern generated have increased rapidly in Malaysia as development of coastal areas escalates. The need for a proper management...
Reformulation Efforts for Panama City Beaches, Florida
The Panama City Beaches project was authorized by the Water Resources Development Act of 1986. The authorized plan provides for the placement of a protective beach to elevation 4 feet...
Nature-Based Tourism: An Alternative for Rural Coastal Economic Enhancement
Nature-based tourism has a growing potential to provide rural coastal areas with a form of economic development compatible with conservation. Given the growing interest in nature-based...
Geological Assessment of Offshore Sand Deposits
The United States Atlantic and Gulf of Mexico continental shelf contains large numbers of surficial sand deposits. The search for sand resources for metropolitan construction and coastal...
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