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Chapter 11: Water Supply

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Pages 265-286 (doi:10.13031/swce.2013.11) in Soil and Water Conservation Engineering, 7th Edition . Copyright 2013 American Society of Agricultural and Biological Engineers, St. Joseph, Mich.
Authors:   Rodney L. Huffman, Delmar D. Fangmeier, William J. Elliot, Stephen R. Workman
Keywords:   Soil, water, conservation, environment, Water Supply, Reasons for Developing a Water Supply, 11.1 Irrigation, 11.2 Potable: Human or Livestock, 11.3 Recreation, 11.4 Wildlife Habitat, 11.5 Process Water (Manufacturing, Food Processing, Waste Handling), Ch

Introductory paragraphs: Precipitation is the primary source of renewable fresh-water supply for all agricultural, industrial, and domestic uses. Large-scale desalinization of brackish or salty waters may eventually result in reasonable supplies of water for high-value uses in some locations, but desalinization is energy-intensive and expensive. Developed water supplies in the United States use only 4% of precipitation, which is only 13% of the residual precipitation after allowing for all evaporation and transpiration. There is actually ample water for our needs, though it is often not available at the desired time and place. The development of water resources involves storage and conveyance systems to deliver water from the time and place of natural occurrence to the time and place of beneficial use. This chapter emphasizes the development of water resources for agricultural use while briefly discussing other uses and/or benefits.

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