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废黄河中山河闸站警戒水位调整分析 被引量:4

Analysis on the adjustment of warning water level of Zhongshan River Gate Station on the Old-yellow River
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摘要 警戒水位是衡量洪水量级、工程防洪能力和采取应急响应的重要依据。随着废黄河干流一系列水利工程建设的投入运行,与建闸初期相比,中山河闸闸上水位大幅下降,原先确定的警戒水位已不能反映废黄河防洪现状。根据废黄河(杨庄闸以下段)近年来的降水量、水情和工情变化,以闸上日最高水位频率计算结果为依据确定中山河闸警戒水位和应急响应水位,该水位特征值能真实客观地反映废黄河防洪现状。 The warning water level is an important basis for measuring flood magnitude,flood control capacity and emergency response.With the operation of a series of water conservancy projects in the main stream of the Old-yellow River,compared with the initial stage of sluice construction,the upper water level of Zhongshan River Gate has dropped dramatically,and the previously determined warning water level can not reflect the current situation of flood control of the Old-yellow River.According to the precipitation,water regime and work condition changes of the Old-yellow River(below Yangzhuang Gate)in recent years,the warning water level and emergency response water level of Zhongshan River Gate were determined based on the calculation results of daily maximum water level frequency on the sluice.The characteristic value of the water level could truly and objectively reflect the current situation of flood control of the Old-yellow River.
作者 周海天 夏飞 ZHOU Haitian;XIA Fei(Yancheng Hydrology and Water Resources Investigation Bureau of Jiangsu Province,Jiangsu 224051,Yancheng)
出处 《江苏水利》 2020年第2期38-41,共4页 Jiangsu Water Resources
关键词 废黄河 警戒水位 水位调整 Old-yellow River warning water level water level adjustment
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