Uncertainty in measuring seepage from earthen irrigation canals using the inflow-outflow method and in evaluating the effectiveness of polyacrylamide applications for seepage reduction
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Seepage losses from unlined irrigation canals account for a large fraction of the total volume of water diverted for agricultural use, and reduction of these losses can provide significant water quantity and water quality benefits. Quantifying seepage losses in canals and identifying areas where seepage is most prominent are crucial for determining the potential benefits of using seepage reduction technologies and materials. In recent years, polymers have been studied for their potential to reduce canal seepage, and the use of linear-anionic polyacrylamide (PAM) was studied as part of this ...