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Stormwater Management Program for the Pittsburgh International Airport
This paper describes the Pittsburgh International Airport Stormwater Management Program which was developed to provide a comprehensive approach to stormwater management on the PIT property,...

Stormwater Management Practices in New Jersey?Suggestions for Improvements
The State of New Jersey, due to large population density and intensive development, has become a frontier in regulating the stormwater runoff. This paper presents an overview of current...

HEC's Project Benefit Accomplishment Program
The U.S. Army Corps of Engineers Hydrologic Engineering Center (HEC) has developed a new computer program which computes flood damage and project benefit accomplishment. It calculates...

How Federal Mandates to Protect Wetland Resource Value Necessitates a Multi-Agency Approach to Balance that with Other National Economic Goals
A national controversy focused on wetlands exists because of the complex problem of balancing federal mandated protection of wetland values and needs to pursue national economic growth....

Some Needs for Irrigation Research in Czechoslovakia
In association with the changes in agrarian and social policy in Czechoslovakia under conditions of economic reform, a transformation of agricultural enterprise has been taking place....

Overland Flow Resistance Estimation from Small-Plot Data
The correct application of physical process models, such as the kinetic wave approximation to shallow overland flow, is dependent upon selection of appropriate values for parameters which...

Short-Span Bridge Solutions
Large bridges get most of the headlines, but the nation's huge network of small bridges (many with spans of less than 25 ft) may be more in need of replacement. Age, corrosion,...

Sediment Yields from a Watershed in Taiwan
Characteristics of suspended sediment load were investigated for Shih-Men Reservoir watershed in Taiwan. Results of the investigation showed that annual suspended sediment load was correlated...

Economic Costs to the State Water Project of Environmental Protection and Mitigation Measures
The State Water Project stores water in the Sierra Nevada for subsequent diversion from the Bay and Delta for use by millions of Californians. Project construction and operation have caused...

Total Sediment Loads of Tropical Rivers
Unmeasured and total sediment discharges were computed for 107 sets of data from the Amazon and Orinoco Rivers and their major tributaries. Unmeasured loads were generally small except...

Development of the Lake Okeechobee Watershed Phosphorus Transport Model
The Lake Okeechobee watershed phosphorus model was developed to route flows and phosphorus loadings associated with point and nonpoint sources through a watershed transport system, and...

Economic Aspects of the Bureau of Reclamation Safety of Dams Program
The paper briefly examines economic aspects of the Bureau of Reclamation (Reclamation) Safety of Dams (SOD) program evaluation process. Procedures described include the downstream damage...

U.S. Geological Survey Bedload Sampling Policy
During the late 1960's, the U.S. Geological Survey's (USGS) Water Resources Division (WRD) developed the Helley-Smith bedload sampler. Since then, the USGS and the Technical Committee...

Incipient Motion in Gravel-Bed Rivers
Incipient motion processes are reviewed for bed material in gravel-bed rivers. Prediction difficulties are identified. Research results are reported for field and flume studies to investigate...

Economics of Floods, Scour, and Bridge Failures
Hydraulic events occur more often and account for more losses than any other natural disaster. The damage inflicted on our nation's highway facilities during these events not only results...

Erosion Protection at Hydraulic Structures: A Report From the Task Committee
In 1991 the ASCE Hydraulics Structures Committee formed a task committee on Erosion Protection at Hydraulic Structures. The purpose of the committee is to determine current practices in...

Shape Effect on Bed-Load Transport in Pipes
The nature of part-full flows in pipe sewers produces different channel shapes resulting in non-uniform shear stress distribution on the wetted perimeter. New experimental data were utilized...

Flow Resistance Properties of Flexible Linings
Flow resistance for flexible channel linings is a function of the relative roughness of the lining in accordance with boundary-layer principles. As with vegetation, flexible linings have...

Distorted Physical Models for Mixing Studies
The frictional resistance and mixing process affected by roughness bars are investigated. Specific combinations of the size and layout of the bars for various flow conditions are suggested...

Determination of Pulsating Pressures for Baldhill Dam, N.D. Spillway
Model tests of the existing Baldhill Spillway were conducted with symmetrical and asymmetrical gate openings to determine for various flow conditions the characteristics of the hydraulic...

 

 

 

 

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