Abstract
Abstract The study is based on the 121 answers to the international survey on ground water recharge published in I.A.S.H. bulletin n° 87. After generalities about the aims, benefits, type of devices, recharged aquifers and size of plants, are examined: —The infiltration devices (basins canals). —The injection devices (wells). —The economical aspects of realisations. Diverse statistical correlations are found, and regression formulas proposed, concerning: —Connections between permeability, size of devices, and the injection or infiltration rate. —Connection between the annual input and the capital invested. The synthesis of these datas conduct to results which may be useful to pepare new-projects of artificial recharge.
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