Water Management of Falaj Al Khatmain in Sultanate of Oman
Water Management of Falaj Al Khatmain in Sultanate of Oman作者机构：Groundwater Management Institute Technical University of Dresden Dresden 01069 Germany Aflaj Research Unit the University ofNizwa Birkat AI Mouz 616 Sultanate of Oman Department of Hydraulic and ttydrology Faculty of Civil Engineering University Technology Malaysia Skudai Campus JohorBahru 81310 Johor Malaysia
出 版 物：《Journal of Earth Science and Engineering》 (地球科学与工程（英文版）)
年 卷 期：2014年第4卷第3期
页 面：127-133页
学科分类：082802[工学-农业水土工程] 08[工学] 0828[工学-农业工程] 081501[工学-水文学及水资源] 0815[工学-水利工程]
主 题：Aflaj water management wet and dry period surplus water groundwater recharge.
摘 要：Oman is an arid country with an average annual rainfall of 100 mm. Agricultural productions in Oman is almost fully dependent on irrigation. More than one third of irrigation water is supplied by aflaj （singular： falaj）, which provide 680× 10^6 m^3 of water per year and irrigate some 26,500 ha. Aflaj are trenches and tunnels, which are dug in the ground to convey water from one place to another. This study analyzed the existing management of Falaj Al Khatmain and proposed improvements to the system regarding water utilization, enriching community living, distribution of water among the shareholders and the water circulation during day and night. Furthermore, the study estimated the surplus water during the wet period and determined the recharge area of groundwater using the rainfall, falaj flow, wadi flow, water table and lithology of the wells located in or around the study area. The study concluded that under the climatic and hydro-geologic conditions in the study area, the best arrangement for recharging the groundwater is an infiltration pond to store surplus water from thefalaj in the subsurface pond or reservoir without dam construction.
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