The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis.
设计洪水计算方法主要是可能最大降雨和水文频率法。
2
Nowadays, there is still no normative method for ascertain of the local probable maximum flood combination.
目前我国还没有一套较完整规范地推求可能最大洪水地区组成的计算方法。
3
Analysis of flood release capacity of upstream detention areas and the probable maximum flood reveals that the risk of levee-breach in Harbin city still exists.