Research Article
Mar 1981
Leaching and Water-Type Effects on Ground-Water Quality
Publication: Journal of the Irrigation and Drainage Division
Volume 107, Issue 1
Abstract
Increased irrigation efficiency usually reduces the degradation of groundwater resources. The effect of differences of travel times in the unsaturated zone between low and high leaching becomes more important as the depth to the groundwater table increases. Waters approaching gypsum saturation have a much greater potential for ground-water degradation at high leaching as compared to low leaching irrigation management. This is due to higher salt concentrations and, consequently, increased gypsum precipitation in the unsaturated zone in the case of low leaching.
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Information
Published In
Journal of the Irrigation and Drainage Division
Volume 107 • Issue 1 • March 1981
Pages: 35 - 52
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Mar 1981
Published online: Feb 11, 2021
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Authors
Affiliations
Donald L. Suarez
Geochemist, United States Salinity Lab., United States Dept. of Agr., 4500 Glenwood Drive, Riverside, Calif. 92501
Martinus Th. van Genuchten
Soil Scientist, United States Salinity Lab., United States Dept. of Agr., 4500 Glenwood Drive, Riverside, Calif. 92501
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