Qanat

Alluvial Fan in Southern Iran. Image from NASA's Terra satellite

A qanāt (Persian:قنات‎‎/کاریز) is a gently sloping underground channel with a series of vertical access shafts, used to transport water from an aquifer under a hill. Qanāts create a reliable supply of water for human settlements and irrigation in hot, arid, and semi-arid climates.

单词	Aflaj
释义	Aflaj 英语百科 Qanat A qanāt (Persian:قنات‎‎/کاریز) is a gently sloping underground channel with a series of vertical access shafts, used to transport water from an aquifer under a hill. Qanāts create a reliable supply of water for human settlements and irrigation in hot, arid, and semi-arid climates.
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Aflaj

Qanat