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进入21世纪以来,受全球气候变化异常的影响,巢湖流域降水发生了一些微妙变化:年降水量接近多年平均值,但局部暴雨灾害频繁,给巢湖流域社会经济快速发展和人民生命财产安全带来严重损失。本文根据几场局部灾害暴雨的实测资料,对主要灾害暴雨特性进行分析。对认识现阶段巢湖流域灾害暴雨特点,为防汛抗洪提供科学依据,具有一定的参考价值。
Since the beginning of the 21st century, subtle changes have taken place in precipitation in the Chaohu Lake basin due to the anomalous effects of global climate change. The annual precipitation is close to the average of many years, but frequent heavy rain disasters bring rapid socio-economic development and safety of people’s lives and property in Chaohu Lake Basin Serious loss. Based on the measured data of several local disaster torrential rainstorms, this paper analyzes the characteristics of heavy rainstorms of major disasters. It is of certain reference value for understanding the characteristics of heavy rainstorm at the present stage of Chaohu Lake Basin and providing scientific evidences for flood control and flood fighting.