Operation Karez happened in 2008.
what is the definition of a canal
Karez systems, while effective for irrigation and water supply in arid regions, have several disadvantages. They require significant initial investment and maintenance, which can be challenging in remote areas. Additionally, karez systems are vulnerable to sedimentation and can become clogged, reducing efficiency over time. Finally, reliance on karez can lead to over-extraction of groundwater, potentially depleting aquifers and harming the local ecosystem.
karez is under ground structure for irrigating of dry land, their resources water wells which are located differences steps, starting from start point to end point from high to down
it is water sub younng stuners
A karez is underground channel of water. when water flows from higher land to lower land it enters the ground in places and flows through rocks and sand. in hot and dry places these karez are a blessing. like Baluchistan A tube well is lined with a pipe dug into a ground to obtain water from under the ground
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