云龙水库是昆明市生活供水的重要生命线工程之一。2007年7月水库以上流域内及其周围连降4次大雨,造成了下游洪涝灾害,经济损失较大。本文在介绍云龙水库及其以上流域的基本情况后,还分析了暴雨成因及特征、出库洪水、入库洪水和云龙水库在抗御这场大洪水中的作用等,可为水库管理和防汛工作提供参考。 Yunlong Reservoir is one of the important lifeline projects in Kunming. In July 2007, four heavy rains continued to drop in and around the reservoir, causing downstream floods and causing large economic losses. After introducing the basic situation of Yunlong Reservoir and its above watersheds, this paper also analyzes the causes and characteristics of stormstorms, the effects of stormwater discharge, storage floods and Yunlong Reservoir in resisting the flood, which can be used for reservoir management and flood control for reference.