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Sahar Canal Headwork: Enhancing Water Distribution and Management
Pakistan has one of the largest man-made canal systems in the world, providing irrigation facilities to 48 million acres. Canal network of Pakistan consists of Main Canals, Branch Canals, Link Canals, Major distributaries, Minor distributaries, and Watercourses or Field Channels
Main Canal: A principal channel off-taking directly from a river or reservoir that has discharge capacity of above 25 cubic meters/sec (cumecs) is called Main Canal or Main Line. These canals are not used for direct irrigation. They drive water from the river/ reservoir through head regulator and feed it to Branch Canals and Major distributaries.
Branch Canal: They take off water from the Main Canal and feed the Major and Minor distributaries. They are also not used for direct irrigation. Their discharge capacity usually ranges from 5-25 cubic meter
/second.
Link Canal: These canals are meant to transfer water of three Western Rivers, namely Chenab, Jhelum, and Indus, to the canals dependent on the three Eastern Rivers, namely Sutlej Beas and Ravi.
8 окт 2024
