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jwmseir 2015, 8(27): 59-62 Back to browse issues page
The Role of Isolated Surfaces for Rain Water Harvesting in Supplying Water Needed for Hillside Orchards in Watersheds (Case Study: Chaharmahal and Bakhtiari province)
Abstract:   (20895 Views)
Present research has been executed in Chaharmahal va Bakhtiary Province in order to investigation
of rainwater harvesting techniques for runoff generation optimizing. Towards this attempt, nine rainwater
harvesting systems having three different treatments(isolated surface, removed surface and natural vegetation
cover) with three replicates were made on a slope of 20 percent. At the end of each system, a reservoir has
been installed to collect runoff coming from the plot. Rainfall amounts are estimated using a rain-gauge
nearby and runoff volume was measured in the reservoir. Compare of the mean of treatments indicated that
the system with isolated surface has generated the maximum runoff volume. The runoff volume generated
by isolated surface was five equal of removed surface and 17.5 equal of natural vegetation cover. Analysis
of 21 rainfall events led to runoff generation showed that the mean runoff coefficient derived from the
system with isolated surface was 64.3 percent. Statistical analyses using SAS software, proves that there
is a significant difference in the system with isolated surface(p<0.01). So utilization of isolated surfaces
can be recommended in supplying water for hillside orchards in watersheds using rainwater harvesting
systems
Keywords: Rainwater harvesting, microcatchment systems, isolated surfaces, runoff coefficient, Chahrmahal and Bakhtiari
Full-Text [PDF 119 kb]   (1759 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/06/1 | Accepted: 2015/06/1 | Published: 2015/06/1
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The Role of Isolated Surfaces for Rain Water Harvesting in Supplying Water Needed for Hillside Orchards in Watersheds (Case Study: Chaharmahal and Bakhtiari province). jwmseir. 2015; 8 (27) :59-62
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Volume 8, Issue 27 (3-2015) Back to browse issues page
مجله علوم ومهندسی آبخیزداری ایران Iranian Journal of Watershed Management Science and Engineering
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