Large historicalflood discharges can play an important role in hydrologic frequency analysis.
历史洪水在洪水频率计算中起到了重要作用。
2
Considering the time of last historicalflood, the annual flood risk model of flood protection sys-tems is presented.
本文在考虑最近一次历史洪水发生时间这一因素下,提出了防洪系统年洪水风险率模型。
3
Historicalflood is the flood that has occurred in the local area. Using historicalflood investigation can improve the calculation accuracy of design flood.