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1991年,我省里下河地区遭受了百年未遇的特大洪涝灾害,损失很重.灾害主要成因除了汛期梅雨期长、雨情超过历史记载,非现有水利设施所能抗御以外,腹部地区的湖荡被盲目围垦、排水通道上人为设障,致使湖荡蓄水能力严重削弱,排水不畅,也是酿成严重涝灾的重要因素之一.为此,有必要对里下河地区治理规划进行认真总结,特别要重新认识清障滞涝对里下河地区防汛减灾的重要作用,据以规划未来.一、从里下河地区的特定条件看清障滞涝的重要性里下河地区位于我省中部,北界苏北灌溉总渠,南濒通扬运河,西起里运河东堤,东
In 1991, the Lixiahe area in our province suffered heavy floods and floods that had not happened in a hundred years, and the losses were heavy.The major causes of the disasters except for the long rainy season in the flood season, the over-precipitation in the history and the non-resistance of existing water conservancy facilities, Lake swing was blind reclamation, artificial barriers on the drainage channel, resulting in a serious weakening of the lake water storage capacity, poor drainage, but also lead to serious waterlogging one of the important factors.Therefore, it is necessary for the management of the Lixiahe area planning Seriously summarize, in particular, to re-understand the importance of flood control and waterlogging disaster relief Lixia River flood control and disaster mitigation based on the planning of the future.First, from the Lixiahe District, the specific conditions to see the importance of stagflational waterlogging Lixiahe area is located The central part of our province, the northern border of North Jiangsu irrigation canal, Tongyan canal south, west canal in the east embankment, East