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Results 1 - 10 from 73 for irrigation canals in 0.251 sec.
Conclusion - Can China feed itself?
Various authors have pointed out the problem of water waste in open irrigation canals and on flood-irrigated fields. The ... that could be developed in relatively short time by better maintenance of irrigation infrastructure and more advanced irrigation technology. A trans-basin water diversion is necessary to better supply ...
www.iiasa.ac.at
Argument - Water Resources Intervention Possibilities
Experts have estimated that up to 60% of irrigation water is wasted through the traditional methods of flooding irrigation. There are also significant water losses due to outdated water supply infrastructure, particularly the large network of open irrigation canals ...
www.iiasa.ac.at
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Build a Reservoir Where? We'll See The Salt Lake Tribune August 27, 2000. Nieces ...
www.saveourcanyons.org
The Glen Canyon Institute
To replace the water that the dam had provided to the irrigation district, a new diversion device was built that was ... drops, and a better quality fish screen was installed to keep the fish out of irrigation canals. Volunteer groups from the community planted native trees along the newly exposed stream banks. Since ...
www.glencanyon.org
The History of Plumbing in America - United States
Salt River Valley. They first appeared about 350 B.C., building canals of open ditches, gouged out with stone tools and wooden hoes. The canals spanned almost ... the Phoenix airport. Located on East Washington Street, they provide a specter of dry bank canals 80 feet wide and 20 feet deep. Strange trash mounds offer clues of organic wastes ...
plumbingworld.com
Land Use History of the Colorado Plateau-Black Mesa, Arizona
Black Mesa Anasazi attempted to manipulate water distribution by building irrigation canals or terraces, as did Anasazi groups in other Four Corners areas during this time. The ...
www.cpluhna.nau.edu
Land Use History of The Little Colorado River Basin in Arizona
In this arid environment, agricultural subsistence depended upon manipulation of water by means of dams, irrigation canals and reservoirs. Unpredictable precipitation, short growing seasons, marginal soils, silting of reservoirs, increasing saltiness of ...
www.cpluhna.nau.edu
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Species Accounts: cpalu.htm
In India and Sri Lanka, mugger crocodiles have adapted well to reservoirs, irrigation canals and man made ponds, and in some areas may even be found in coastal saltwater ...
www.flmnh.ufl.edu
Badger damage control and management
Digging can also damage earthen dams or dikes and irrigation canals, resulting in flooding and the loss of irrigation water. Diggings on the shoulders of roads can lead to erosion ...
icwdm.org
Irrigation Water Pricing The Gap Between Theory and Practice
Irrigation Water Pricing : The Gap Between Theory and Practice Series Foreword 1. Water Pricing in Irrigation: The Lifetime of an Idea F. Molle and J. Berkoff 2. Water Pricing in Irrigation: ... Irrigation Nexus in South Asia: Groundwater Conservation and Power Sector Viability T. Shar, C. Scott, J. Berkoff, A. Kishore, A. Sharma 10. Wells and Canals in Jordan: Can Pricing Policies Regulate Irrigation ...
www.iwmi.cgiar.org
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