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- Title
OPTIMUM LENGTH OF LINING FOR WATERCOURSE IMPROVEMENT USING GRAPHICAL APPROACH.
- Authors
Ahmad Chatha, Zia; Arshad, M.; Bakhsh, Allah; Shakoor, Aamir
- Abstract
The present study was carried out in Directorate of Water Management, University of Agriculture Faisalabad, Pakistan during 2011 to determine the optimum length of watercourse improvement. The research was conducted at three watercourses i.e. No. 116928-R, 114626-R, and 5486-R located at Shahkot distributary in Sheikhupura district. Graphical approach was used to find out the optimum length of watercourses by determining the channel using time along the entire length of watercourse. The optimum length of lining for watercourses depends upon the cost of improvement and net returns, as net return for lining exceeds its cost, the length of lining remains economically feasible. The average losses per 100 meter length in lined portion of watercourse No. 116928-R, 114626-R, and 5486-R were 2.51, 3.08 and 1.91 lps respectively. The optimum lining length was found to be 50, 55 and 49 percent of the entire length of watercourse 116928-R, 114626-R and 5486-R, respectively. It was concluded that lining of watercourses may be extended more than 50 percent of the entire length. The study is helpful for additional lining of watercourses and choosing of cost effective approach for watercourse improvement.
- Subjects
PAKISTAN; RIVER channels; MARINE science education; WATER activity of food; WATER management; WATER supply
- Publication
Journal of Agricultural Research (03681157), 2014, Vol 52, Issue 4, p589
- ISSN
0368-1157
- Publication type
Article