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You are here : eLibrary : IAHR World Congress Proceedings : 36th Congress - The Hague (2015) ALL CONTENT : Water resources and hydroinformatics : Hill torrent management in southern punjab of pakistan: historic perspective and new trends
Hill torrent management in southern punjab of pakistan: historic perspective and new trends
Author : DR. MUHAMMAD MUBASHIR QURESHI (1), MURTAZA ALI SHAH (2) & MUKHTAR AHMAD (3)
ABSTRACT
Hill torrents (locally known as Rodh Kohi) are distinct type of waterways in which water drains from the mountains and diverted to the agricultural areas by diversion structures across the torrent. More than 200 hill torrents originate from the west of Suleiman Range and hit Taunsa, DG Khan and Rajanpur Districts of Punjab in Pakistan. Among these, 13 hill torrents are having large catchment areas and flood potential. These Hill Torrents after crossing Fan area locally names as ¡°Pachad area¡± crosses D.G.Khan Canal through 22 numbers cross drainage structures and usually creates disaster up to River Indus. Hill Torrents normally concomitant with uncertain flood flows have kept D.G.Khan and Rajanpur Districts Hill Torrent fan area socio ¨C economically very frail. Most oftenly catastrophic flood events cause losses of billions of rupees to infrastructure, houses and irrigated lands. Conversely huge area, about 2.02 Hectares, cultivable piedmont (Pachad) area fails to receive valuable irrigation water. Since the olden times, people have been diverting flood flows to their fields by constructing small diversion embankments. These earthen embankments effectively divert low floods, but generally fail in case the flood flows exceed the manageable limits. A number of studies and plans were suggested to manage the Hill Torrent Floods since 1929 to date. It has been noted that these projects have shown some improvements in terms of utilization of Hill Torrent water for irrigation to uplift the economy of the area. It has been observed that piedmont area of the hill torrents is very fertile but due to erratic nature of floods land utilization is very low. The flood water due to its erratic nature one side destroys the infrastructure while on the other side barren land in piedmont area (Pachad area) is deprived off water for agriculture. This situation demands that there is a lot of space to improve the management of Hill Torrent floods. In this paper existing management practices and appraisal of previous studies for Hill Torrents management in southern Punjab has been discussed with focus on additional prospective for sustainability of initiatives to driver full benefits of Hill Torrent water with an improved protection against flood vulnerabilities.
File Size : 962,559 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 36th Congress - The Hague (2015) ALL CONTENT
Article : Water resources and hydroinformatics
Date Published : 18/08/2015
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