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连江是北江第一大支流,2012年6月21—23日,连江中下游地区发生了特大暴雨洪水,暴雨中心在中游白芒一带,位于连南县大麦山镇的白芒站录得最大24 h雨量为324.5 mm,为设站以来第二大暴雨。这场暴雨致使连江下游发生了超20年一遇洪水,对沿线居民造成了重大财产损失。对这次暴雨洪水特征进行了分析,加深对粤北山区连江流域洪水的认识,并给今后区域山洪灾害防治规划工作提供参考。
Lianjiang is the largest tributary of the Beijiang River. On June 21-23, 2012, an extraordinarily heavy rainfall and flood occurred in the middle and lower reaches of the Lianjiang River. The center of the storm was in the middle reaches of Pak Mong. The Pak Mong Station in Damai Shan, Liannan County was recorded The maximum rainfall for 24 h was 324.5 mm, the second largest since the station was set up. The torrential rain caused a flood in the lower reaches of the Lianjiang River in 20 years and caused heavy damage to residents along the route. The characteristics of this storm and flood were analyzed to deepen the understanding of the flood in the Lianjiang River valley in the mountainous area of northern Guangdong and to provide reference for the future planning of mountain torrent disaster prevention and control.