Estimation of Flash Flood Potential for Large Areas
A methodology for determining the potential for flash floods in small basins within large geographical areas is presented. Geographical Information Systems (GIS) technology is used to...

1995: Where the Past (Paleoflood Hydrology) Meets the Present, Understanding Maximum Flooding
Paleoflood hydrology has become accepted in the scientific, engineering, and regulatory communities and increasingly is being used to complement engineering hydrology throughout the Rocky...

Potential-Scour Assessments at 130 Bridges in Iowa
A total of 130 highway bridges in Iowa were assessed for potential scour using a potential-scour index developed by the U.S. Geological Survey for a bridge-scour study in western Tennessee....

Monitoring Scour at Bridge Piers in Snohomish Co., WA
Washington State, Snohomish County Public Works Department is using a new Fixed Mechanical monitoring device, to augment its current program of monitoring scour at bridge piers. The Public...

Scour Study for Bridge Design on Temecula Creek
Channel-bed scour was studiedfor the proposed new Pala Road Bridge on Temecula Creek in Riverside County, California. In order to determine the general scour, sediment transport and potential...

Salinity and Hydraulic Issues at a Constructed Wetlands
A constructed wetlands at Boulder City, Nevada was designed to use effluent pumped from the City's wastewater treatment plant. The design was complicated by the highly permeable...

Constructed Wetlands for Metals Removal
Constructed wetlands have the potential to trap and remove metals contained in wastewater. Long term removal is expected to occur by accumulation and burial in the plant detritus in a...

South Florida Water Management District: Reconstructing the Everglades Ecosystem
Anthropogenic influences have reduced florida's Everglades over the last 140 years to a struggling remnant of its historic size and ecological potential. The State of Florida's...

Hazardous Soil Remediation: A Cooperative Effort between Industry and Government
E. I. du Pont de Nemours and Company's Antioch Works (Dupont) is on the San Joaquin River 30 miles east of San Francisco, California. For about 25 years, ending in 1981, Dupont...

Indianapolis Uses New Radar Technology to Refine Hyetographs for CSO Model and SSES Studies
Indianapolis is the first city in the country to install the French-developed technology designed by urban hydrologists to accurately measure rainfall between rain gauges. Installed in...

Development and Application of a Dual Drainage Model for the Wethersfield Area of the City of Hartford, Connecticut
A combined system, with overflows, existed in the City of Hartford, Connecticut. Although effective in the context of design standards prevailing at the time of its original design, the...

Infiltration Properties at Two Sites in the Konza Prairie
The spatial variability of soil hydraulic properties that govern infiltration were investigated at a pristine site and an agricultural site in the Konza Prairie Research Area of east-central...

Plans for Testing and Evaluating the New Autoventing Turbines at TVA's Norris Hydro Project
As part of TVA's Hydro Modernization Program, the two 59-year old Francis turbines at Norris Dam have been upgraded with new units. In conjunction with TVA's...

Aeration of Reservoirs and Releases TVA Porous Hose Line Diffuser
The Tennessee Valley Authority (TVA) has developed an efficient and economical aeration diffuser design that has been installed and operated successfully at five TVA hydropower projects,...

Managing Great Lakes Water Levels: An International Partnership
During this century, the levels of two of the Great Lakes have been regulated; Lake Superior since 1921 and Lake Ontario since 1960. The regulation is directed by the International Joint...

Simulation of Regional Ground-Water Flow on a Transboundary Flowline; Trans-Pecos, Texas and Chihuahua, Mexico
A two-dimensional, steady-state, cross-sectional model was used to evaluate boundary conditions, residence times, and potential transboundary movement along a 28 mi (45 km) flowline between...

The Use of Monitoring of Russian Water Objects for the Decrease of Disaster Consequences
The project of the United States Monitoring System for Water Resources was created. This system united the possibilities of different kinds of existed systems for observation of water...

A Cost-Effective approach to In Situ Remediation of Soil and Groundwater at a Diesel Fuel Spill Site
A bioventing and groundwater treatment system designed to enhance the natural biodegradation of diesel fuel residuals in soil and prevent further groundwater degradation was installed...

Application of GIS Technology to Floodplain & Habitat Analyses
A long-term flood control and maintenance plan for the Mojave River, located in southern California, is currently being developed to satisfy permit requirements for state and federal regulatory...

Water Resources Investigation Along Salt River in Phoenix and Tempe Area
The Salt River originates in the White Mountains of eastern Arizona and drains westward through the Phoenix metropolitan area to its confluence with the Gila River approximately 15 miles...

 

 

 

 

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