GIS Landscape?A Solution for Wellhead Protection
Wellhead protection is an emerging issue for water suppliers based largely on the 1986 Amendments to the Federal Safe Drinking Water Act (SDWA). State governments are developing wellhead...

Irrigation, Agrichemicals and the Environmental Impact, the Role of Hydrologic Non-Point Source Models
The importance of pollution loads from agricultural lands and the degradation of soils and water resources has brought about extensive efforts throughout the environmental and agricultural...

Evaluation of the Effects of Weather Modification to Enhance Reservoir Yield During Drought?Salinas Valley, California
Cloud seeding has been conducted for water years 1990-91 and 1991-92 in Monterey County, California in response to the extended drought. The Monterey County Water Resources Agency weather...

A Unified Approach to Flood Frequency Analysis
Most stochastic hydrologic studies are based on statistical distributions that are pre-selected without giving consideration to the applicability of the distribution to a particular data...

Water Resources Management Using a Geographic Information System over a Wide Area Network
To assist in the management of water resources in the Santa Ana River Basin, in Southern California, the Bureau of Reclamation in Denver, Colorado and the Santa Ana Watershed Project Authority...

A Log-Triangular Design Hyetograph for Stormwater Management
A method is developed to generate a log-triangular design hyetograph from historical rainfall data. The method considers the characteristics from other commonly used methods for design...

Protection of a 700-GPM Municipal Well Field with a 10-GPM Barrier Well: An Update After 8 Years of Remediation
In December 1978, a municipal well field developed by the Town of Acton, Massachusetts was shut down because of contamination by 1,1-dichloroethylene. Chemicals and process wash water...

Snow Estimation?A GIS Application for Water Resources Forecasting
In the Western United States approximately 75 percent of the annual runoff results from snowmelt. Observations of the snow cover provide an important source of information for forecasting...

Practical Experience in the Probabilistic Based Management of Large Water Resources Systems
Probabilistic tools to assist with the management of large water resource systems in South Africa were developed and applied during the last decade. Acceptance today is not only due to...

Global-Scale Assessment of Annual Usable Fresh Water
The quantity of fresh water on earth, although very large, is a limited quantity. A major portion of this water is the polar water that is practically unavailable for human uses. The annually...

Orange River?System Analysis
The Orange River drains the largest basin in Africa south of the Zambezi with a total catchment area of approximately 1 million km2. Due to the increasing...

Future Urbanization Effects on Occoquan Dam PMF
The Fairfax County Water Authority's Occoquan dam, in northern Virginia, are being anchored at a cost of about $2 million. The reason is to increase stability due to an increased PMF estimate...

Management of Supply Canals in a Rotation Irrigation System
Management of the water supply canals in a rotation irrigation system can affect the uniformity of water delivery to farms. Different management procedures are needed, depending on the...

Equitable Distribution of Water in a Rotation Irrigation System
'Volume-based Equity' is proposed as a means of improving the uniformity of water delivery in a rotation irrigation system. Management procedures are developed that can improve water delivery....

Transfer Function Modeling of Evapotranspiration
The correct estimation of evapotranspiration is a fundamental step in planning, design and operation of most water resources projects. The dependence on various climatological parameters...

The Covington Master Drainage Plan
Located in the southeastern portion of King County, Washington, the 1,240-acre Covington area had been identified in 1985 as an 'urban activity center,' a place designated for regional...

Managing Urban Growth an Irrigation District's Perspective
Urban growth within the Turlock Irrigation District has converted some property from agricultural to urban use. The District has established policies and developed documents and procedures...

The Potential of Mediation for Resolving Conflicts Between Irrigation and Urban Water Users
This paper discusses the potential of mediation as a means of managing and resolving conflict productivity. Conflict over allocation and use of water may arise from technical or substantive...

Innovative Technology Enhances Water Availability for Irrigation
This paper presents an innovative technology, aquifer storage and recovery (ASR), that is capable of increasing the efficiency of existing irrigation water supply systems. An analysis...

Water Resource Management on the Texas High Plains: Controlled Chaos or a Model of Efficiency?
Rarely is a region's social and economic well-being more closely tied to a particular resource than on the semi-arid Texas High Plains, where the water supply is variable, often limited...

 

 

 

 

Return to search