南流江博白水文站历史暴雨洪水分析  

Analysis of historical rainstorm floods measured at Bobai Hydrological Station on Nanliu River

作　　者：吴立愿 WU Li-yuan(Hydrology Center of Guangxi Zhuang Autonomous Region,Nanning 530023,China)

机构地区：[1]广西壮族自治区水文中心,南宁530023

出　　处：《广西水利水电》2024年第5期74-76,95,共4页Guangxi Water Resources & Hydropower Engineering

摘　　要：选取南流江博白水文站排位最前的6场实测洪水与2023年2场超警洪水进行对比分析,结果表明:多年平均降水量、径流量年内主要集中在4~9月份,年最大径流量是年最小径流量的7.3倍;降水量与径流量的相关性较强,径流量呈现一定的滞后性;热带风暴是南流江博白站暴雨洪水的最主要影响因素;对洪水场次而言,降水量级、时程分配、暴雨中心对洪峰的影响显著。结果可为南流江的洪水防御、水资源配置、水文测报提供参考。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.

关 键 词：南流江 暴雨洪水 特性分析 

分 类 号：TV122.2[水利工程—水文学及水资源]