梅江流域“2015·5”暴雨洪水调查分析

Investigation on the “2015. 5”storm flood in Meijiang River Basin

2015年5月中旬,梅江中下游发生了稀遇暴雨洪水,造成了较大的洪涝灾害.灾后暴雨洪水的调查分析表明,本次洪水梅江控制水文站洪水频率约50年一遇,琴江中游庙子潭水文站出现约300年一遇的特大暴雨洪水.本文根据这次暴雨洪水调查情况,对"2015·5"暴雨洪水特性进行了分析,以便为该流域防汛减灾、洪水预测预报等提供依据.

In the Mid- May of 2015 ,the middle and downstream area of Meijiang River Basin encountered a rare flood, which caused a heavy damage and loss of property. Analysis on the precipitation and runoff after the disaster finds the flood with return period of 50 years at Meijiang River control station and the rainstorm of 300 - year return period at Miao Zitang station in the middle reaches. The characteristic of this rainstorm flood is analyzed, which provides the guidance for disaster reduction and flood forecasting in Meijiang River Basin.