摘要
蓄滞洪区是长江流域防洪体系的重要组成部分,但由于资金、政策等方面原因,蓄滞洪区建设严重滞后,已成为长江流域防洪体系中最突出的"短板"。随着长江上中游控制性水库的建设,一方面拦蓄洪水能力增强,另一方面水库拦沙作用导致中游江湖冲淤和蓄泄能力发生变化。此外,国家生态文明建设及地区经济社会发展,给蓄滞洪区建设管理提出了新的要求。本文在分析长江蓄滞洪区建设管理面临的新形势和新问题基础上,从蓄滞洪区工程建设安排、布局调整、管理措施、协调与经济社会发展关系等方面提出建议,为长江流域蓄滞洪区建设管理提供参考。
Flood detention areas constitute an important part of the flood control system in the Yangtze River Basin.However, due to financial and policy reasons, the construction of flood storage and detention areas is seriously lagging behind, and it has become the most prominent"short board"in the flood control system of the Yangtze River Basin. The construction of the control reservoirs in the upper and middle reaches of the Yangtze River has, on the one hand, realized higher impounding capacity, on the other hand, the sediment blocking effect of reservoirs has also changed the scouring,storing and discharging capacity in the middle reaches, and thereby reshaping the flood control situation in the middle and lower reaches of the Yangtze River. In addition, the national ecological construction and regional economic and social development have put forward new requirements for the construction and management of flood detention areas.Based on the analysis of the new situation and new problems faced by the construction and management of the Yangtze River flood storage and detention areas, this paper puts forward suggestions on the project construction arrangement, layout adjustment, management of flood storage and detention areas, as well as on how to coordinate with economic and social development. The purpose of this paper is to provide reference for the construction and management of flood detention areas in the Yangtze River Basin.
引文
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