我国是一个洪涝灾害严重而频繁的国家,特别是近年来,气候异常,水灾多发、频发、重发,灾情之重历史罕见,救灾难度前所未有。为此,国家组织开展了大规模的防洪建设。目前,我国大江大河干流防洪减灾体系基本形成,但中小河流防洪标准低甚至不设防,小型水库病险安全隐患严重,成为防洪体系 China is a country where floods are severe and frequent. Especially in recent years, unusual weather, frequent floods, frequent recurrences and heavy disasters have rarely occurred in history, making it more difficult than ever to deal with the disaster. To this end, the state organized a large-scale flood control construction. At present, the system of flood control and disaster reduction for major rivers in our country has basically taken shape. However, the standard of flood control for small and medium-sized rivers is low or even undefended. The hidden dangers of small reservoirs are serious and become a flood control system