Database: Oasis Life
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Systematic water management enabled the impressive agricultural production of the AlUla Oasis. The Dadanites, Lihyanites, and Nabataeans dug a number of wells to access the water table, but an underground qanat system was implemented extensively from early Islamic times (at least the 8th century CE). This ingenious system of underground channels made it possible to access and carry water from the aquifer to the fields located at a lower surface elevation using gravity. The water was then distributed among the farm plots in a network of surface channels. This formidable system was used and reused until the implementation of mechanical pumping techniques in the 20th century.