Analysis of historical rainstorm floods measured at Bobai Hydrological Station on Nanliu River
The top 6 floods measured at Bobai Hydrological Station on Nanliu River are compared with the 2 over-alarm floods in 2023.The results demonstrate the average annual precipitation and runoff are mainly concentrated from April to September;the maximum annual runoff is 7.3 times the minimum annual runoff;the correlation be-tween precipitation and runoff is strong and the runoff shows a certain lag;tropical storm is the main factor influenc-ing the rainstorm floods at Bobai Station;for a flood event,the precipitation magnitude,schedule distribution and rainstorm center have significant influence on flood peak.The results of analysis can provide reference for flood pro-tection,water resources allocation,hydrological measuring and forecasting of Nanliu River.
Nanliu Riverrainstorm floodanalysis of characteristics
万方数据
维普
