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中国是世界上受自然灾害影响最严重的国家之一,尤以旱涝灾害威胁最大,历史上平均每两年发生较大旱涝灾害各一次。近几年以来,大范围高强度的旱涝灾害更加频繁,动辄几十年、上百年、几百年甚至上千年一遇,人民生命财产安全蒙受巨大损失,城乡生产生活遭遇严重破坏。我国处于世界最大大陆的东部,毗邻世界最大大洋,复杂多变的季风气候成了天气主导,加之全球气候变暖、拉尼娜和厄尔尼诺现象交替出现,无法回避的极端天气日益成为和谐持续发展的大敌。中华民族记忆最深刻的传说,是大禹治水;中
As one of the most affected countries in the world by natural disasters, China is particularly threatened by droughts and floods, with an average of one major drought and flood every two years in history. In recent years, large-scale and high-intensity droughts and floods have become more frequent. After decades, hundreds, even hundreds of thousands of years, people’s lives and property suffered huge losses in their lives and their production and life have suffered serious damage. China is in the eastern part of the world’s largest continent, adjacent to the world’s largest ocean. The complex and ever-changing monsoon climate has become the dominant weather. In addition to the global warming, La Niña and El Niño alternate with each other and the unavoidable extreme weather increasingly becomes the enemy of harmonious and sustainable development. The most profound memory of the Chinese nation’s legend is Dayu flood control;