International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage



(8843) Kanat, Foggara, Karez (used in Baluchistan), Rhettara (used in Morocco), or Qanat (used in Iran)
Subsurface gallery for water supply starting from below the water table and sloping downwards to the ground surface with a gradient flatter than both the water table and the ground surface.

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