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1月19～21日,在黄委组织召开的黄河下游“二级悬河”治理对策研讨会上,国内专家齐聚濮阳,纷纷献计献策,为黄河下游“二级悬河”问题把脉,提出治理良策。黄委主任李国英、副主任廖义伟、石春先及水利部、清华大学、武汉大学、河海大学及黄委的有关领导、专家出席了会议。与会专家从“二级悬河”的形成原因、机理、危害、治理对策等方面提出了自己的意见和建议,以期解决问题,确保黄河下游防洪安全。据介绍,黄河下游河道形态独特,为著名的地上悬河,近年来,社会经济发展用水大量挤占下游输沙等生态用水,下游径流量减少,洪水发生几率和洪峰流量显著降低,致使黄河下游淤积加重,主槽排洪、输沙等基本功能急
January 19 ~ 21, organized by the Yellow River Yellow River organized by the “Yellow River suspended” seminar on governance, domestic experts gathered in Puyang, have offered advice and suggestions for the lower reaches of the Yellow River The pulse of the problem, put forward the good policy of governance. Li Guoying, director of the Yellow Commission, Liao Yiwei, Shi Chunxian, deputy director of the Yellow Sea Commission, leaders and experts from the Ministry of Water Resources, Tsinghua University, Wuhan University, Hohai University and the Yellow River Committee attended the meeting. The participating experts put forward their own opinions and suggestions on the causes, mechanism, harms and control strategies of “Secondary Suspended River ” in order to solve the problem and ensure the flood control safety of the lower Yellow River. According to reports, the lower reaches of the Yellow River has a unique morphology and is famous for hanging over the river. In recent years, a large amount of water for socio-economic development has been diverted into ecological water such as sediment transport in the lower reaches. The runoff in the lower reaches has decreased. Flood occurrence probability and flood peak discharge have dropped remarkably. Aggravate the main tank flood, sediment transport and other basic functions urgent