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Water Conservation Definitions From a Hydrologic Viewpoint
The definition of water management principles needed to satisfy societys water use objectives requires the use of terms and definitions that clearly describe the effects of various water...

Impact of Agricultural Water Conservation on Water Quality in Arid Irrigated Areas
Water quality constituents of concern in irrigation return flow include sediment, nitrate, pesticides, and trace elements. Each of these components can be affected by irrigation and drain...

Urban Water Conservation Efforts of the Irrigation Association
Water conservation, wise water use, efficient water management: no matter what terminology one uses to describe it, the fact is the topic of using less water permeates the irrigation industry....

How Did a California Dam Get a Section 404 Permit?
This paper describes the wetland mitigation planning and implementation efforts conducted for the Contra Costa Water Districts (CCWDs) Los Vaqueros Project in eastern Contra Costa County,...

Mitigation Wetland Losses for a Major Transportation Improvement Project in New Hampshire
To compensate for 103 acres of wetland impact from a 17.6-mile upgrade of NH Route 101 between Epping and Hampton, New Hampshire, NH Department of Transportation (NHI)OT) and Normandeau...

Conveyance of Water and Wastewater Residuals
The treatment of water and wastewater results in the production of significant quantities of residual suspended solids which must be further processed prior to discharge/disposal. Invariable,...

Automatic Control of Flocculation Processes
A control system for flocculation, used in water and wastewater treatment operations is being developed. The approach is based on detailed particle size distribution measurements of influent...

Sediment Transport Modeling for the Glen-Colusa Irrigation District Fish Screen Modifications
The Glen-Colusa Irrigation District (GCID) pumping plant is located on an oxbow of the Sacramento River approximately 100 miles north of Sacramento (Figure 1). The existing fish screen...

Challenges and Opportunities in Egypt's Integrated Water Resources Strategy
Egypt's Nile irrigation system is a very complicated, old operated, continuously expanding system. It may be also described as a highly productive irrigated agriculture system....

Game Model Approach to Multi-Purpose/Multi-Objective Water Resources Related Environmental Protection Project Planning and Management in Developing Nations: A Nigerian Example
The best has not been realised from water resources related environmental protection projects in Nigeria due to problems militating against such projects at the planning, management and...

Environmental Considerations for Water Resources Development in Haor Areas of Northeastern Bangladesh
A haor is a bowl shaped depression which are flooded every year during monsoon. It remains under water for seven months of the year. This paper gives an outline of the environmental considerations...

Environmental Improvement in Southern Africa
Cross-border environmental projects in southern Africa are identified and discussed. The complexity of coordinating multinational standards, combined with the region's extreme...

Drought in California: When Does It Begin and When Does it End?
California recently endured a six-year period of drought. While the public, media and control agencies like simple definitions to classify water conditions, in a state as large and varied...

Watershed Management for a Limited Coastal Aquifer System
Developing a watershed strategy, which incorporates key issues of a particular watershed, may entail the coordination of several different agencies. Work performed by the USGS, local public...

Development of a Regional Atmospheric-Hydrologic Model for the Study of Climate Change in California
An integrated model of atmospheric and hydrologic processes at regional scale over California has been developed in order to translate the large scale atmospheric conditions of critical...

Drainage Recirculation Project for Water Quality
The State Water Resources Control Board and the federal Environmental Protection Agency have described water quality objectives for selenium in the San Joaquin River. In order to achieve...

Juvenile Fish Separator Design
Separation by size of downstream migrant juvenile salmonids at hydroelectric projects in the Columbia River basin is an integral part of transportation and bypass programs. However, separation...

White River Fish Screen Project Planning and Design
In 1983, Puget Sound Power and Light Company (Puget Power) submitted a license application to FERC for the overall White River Project. One of the elements of the project application was...

Comparison of Water Backwash and Brush Cleaning Systems for Vertical Panel Fish Screens
Vertical plate fish screens have been installed at a number of locations within the Pacific Northwest The vertical orientation of the screen panels requires screen cleaning systems designed...

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...

 

 

 

 

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