Authors: Millette, J. And E. Rapp
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Published in: CBE Journal » CBE Journal Volume 17 (1975)

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Description: The introduction of irrigation water into an area disturbs the natural hydrology and often results in adverse water table conditions. This has the effect of impairing crop production and thereby reducing the benefits of irrigation. If the natural drainage performance of an area can be predicted and appropriate remedial measures recommended, drainage problems resulting from irrigation can be substantially minimized. Water table conditions, as related to drainage design criteria, have been defined by Hiler (3). Other investigators (2, 6, 9, 10) have used physical factors that can be measured in the field to characterize and classify the water table. Rapp and van Schaik (7, 8) studied the water table for several areas of Southern Alberta on a long-term and a short-term basis but no attempt was made to classify the existing water table conditions. In semiarid regions, such as Southern Alberta, where irrigation is practiced, there is a need for a system of rating water table conditions in the field. These ratings can then be used as guides in a drainage feasibility study. Reliable field data on the effect of adverse water table or drainage conditions on crop growth in the irrigated areas of Southern Alberta are not currently available. The purpose of this study was to develop a system for classifying existing water table conditions in an irrigated area. This classification was then used to evaluate the drainage feasibility for two irrigated areas in Southern Alberta using data already available.

Keywords: water table classification for an irrigated area
Citation: Millette, J. and E. Rapp 1975. WATER TABLE CLASSIFICATION FOR AN IRRIGATED AREA. Canadian Agricultural Engineering 17(2):119-123.
Volume: 17
Issue: 2
Pages 119 - 123
Date: 1975
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Coverage: Canada
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