After several decades of operation in Chaoyang irrigation district, problems such as aging of engineering, accumulation of ditches, damage of some buildings. The irrigation area for dredging dredging, repair, installation of new building sluice automatic monitoring system and a series of transformation. After the transformation, the utilization rate of water from the canal system increased from 0.45 to 0.65, Irrigation water in the irrigation area is reduced from 933.7 cubic meters to 646.4 cubic meters/667 square meters to cubic meters. Promote the sustainable use of water resources.%朝阳灌区经过几十年的运行,出现工程老化、沟渠淤积、部分建筑物破损等问题. 对灌区进行清淤疏通、新修建筑物、水闸安装自动测报系统等一系列改造. 经过配套改造,渠系水的利用率由0.45提高到0.65,灌区稻田毛灌溉定额由933.7 m3/667 m2减少到646.4 m3/667 m2,促进了水资源的可持续利用.
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