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An ancient irrigation system consisting of a tunnel dug at a very slight upward gradient into rising ground so that water from deep within the earth runs out to the surface. Qanats were developed in Persia and later adopted throughout the Middle East and North Africa.

[Persian qanāt, from Arabic qanāh, qanāt-, tube, canal, qanat; akin to Hebrew qāne and Akkadian qanû, reed; see qnw in Semitic roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Civil Engineering) an underground channel for directing irrigation water
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Une fois arrivee a l'air libre, l'eau est mesuree par les "kiyaline el-ma" pour que chaque proprietaire de terre recoive sa part d'eau en fonction du travail consenti pour le creusement et/ou l'entretien de cette "foggara".
The success of the Garamantes oasis agriculture was based on the Foggara, an underground irrigation canal that tapped into an aquifer below the foot of the escarpment and led flowing water out into the oases.
At the level of the oasis of Lahmar, irrigators exploit the groundwater by using an ancestral technique to irrigate their land, it is called the foggara of source and unlike the classical foggara (Figure 2), the foggara of El Ain captures natural spring waters.
Lindqvist stops briefly to describe the foggara, labyrinthine systems of shafts and tunnels where water is mined as others might mine ore; all the while he's digging into the underside of Western historical consciousness.
This aquifer flows to about 2,200 wells, many foggara (see fig.
A lae1/4aooccasion de la c[euro]u[c]l[euro]u[c]bration de la Journ[euro]u[c]e mondiale de lae1/4aoeau , lae1/4aoAgence Nationale de Gestion Int[euro]u[c]gr[euro]u[c]e des Ressources en Eau (AGIRE) , [euro]u travers lae1/4aoobservatoire de la Foggara, a d[euro]u[c]cid[euro]u[c] de lancer aujourdae1/4aohui, [euro]u partir de la wilaya dae1/4aoAdrar, la 1e [euro]u[c]dition du concours sous le th[euro]uA me [euro]o[beaucoup moins que] La foggara, un patrimoine [euro]u pr[euro]u[c]server [euro]o[beaucoup plus grand que], lors dae1/4aoune c[euro]u[c]r[euro]u[c]monie officielle.
Its volume of flow is 9.5 [m.sup.3]/s, 2.7 [m.sup.3]/s as natural discharge (springs, sabkhas, drainage galleries, or foggara), while 6.8 [m.sup.3]/s is extracted from the 110 artesian or semiartesian wells drilled since the 1930s.
Le ministre a, sur site, ecoute des explications sur le journal electronique prive [beaucoup moins que] Foggara El-Djanoub [beaucoup plus grand que] qui sera lance en 2015, ont indique les responsables du projet.