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都江堰灌区

都江堰灌区中国四川省都江堰市的灌区,由战国时秦国蜀郡太守李冰及其子于约前256年至前251年主持始建的都江堰水利工程形成。其水源为岷江,灌区设计面积724.3万亩,实际面积为578.31万亩,后逐年扩大,在2011年时达到了1033万亩。受益地区为四川盆地中西部的37个县。[1]

渠首设左、右两个取水口,取水高程729米,六大干渠设计引水流量600立方米/秒,现有干渠、分干渠55条,长2437公里;支渠536条,长5472公里;斗渠5460条,长12037公里。渠系水利用系数0.48。全灌区有大、中型水库11座,总库容10.89亿立方米;小型水库364座,总库容1.5亿立方米。

都江堰堰首

参考文献

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  1. ^ 中国灌溉面积5万hm2以上的灌区. 中华人民共和国水利部. [2012-03-28]. (原始内容存档于2015-02-09) (中文(简体)). 

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都江堰灌区
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