Secondary Recovery of Water
Publication: Journal of Irrigation and Drainage Engineering
Volume 109, Issue 4
Abstract
Injection of air into the vadose zone has made water available for recovery by conventional means at two test sites on the High Plains of Texas. The cost of this water, exclusive of research costs, is estimated to be about $50 per acre‐ft. Large quantities of water may be available for recovery in aquifers which have experienced long term water level declines, and where a layer of low permeability material is available to prevent rapid escape of the injected air. A possible explanation of the mechanism of removal is examined, and the conclusion reached that movement occurs because of unbalanced pressure forces on the capillary water. These forces are caused by the flow of the injected air past the pore water.
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Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 109 • Issue 4 • December 1983
Pages: 357 - 365
Copyright
Copyright © 1983 ASCE.
History
Published online: Dec 1, 1983
Published in print: Dec 1983
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