Techniques of Artificial Recharge from an Ephemeral Wadi Channel Under Extreme Arid Conditionsby Mohamed Abdulrazzak, King Abdulaziz Univ, Saudi Arabia,
Ali Sorman, King Abdulaziz Univ, Saudi Arabia,
Ahmed Alhames, King Abdulaziz Univ, Saudi Arabia,
Abstract: A series of field experiments and theoretical analysis was carried out for the alluvial system in Wadi Tabalah in order to determine the feasibility of implementing artificial recharge schemes in the Western and Southwestern regions of Saudi Arabia. One-dimensional vertical infiltration, lateral recharge processes and analysis of recharge through unsaturated wetting front were investigated. Field studies indicated that infiltration is high and stage height and duration have a predominant influence on recharge amounts. The proposed artificial recharge scheme involves construction of deflatable rubber dams to increase duration and contact area of runoff, thereby enhancing the natural recharge process.
Subject Headings: Artificial recharge | Arid lands | Infiltration | Field tests | Runoff | Alluvium | Infrastructure construction | Feasibility studies | Dimensional analysis | Middle East | Saudi Arabia
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