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5月12日,汶川大地震后,唐家山滑坡迅速将湔河堵塞,形成了一个顺河长约803米、横河最大宽约611米的堰塞体,使坝前形成一个最大可蓄水近3.2亿立方米的“天然悬湖”。唐家山堰塞湖淹没了上游大禹故里(禹里羌族乡)、漩坪乡等诸多乡镇村落。唐家山堰塞湖抢险指挥部专家会商认为,由于唐家山堰塞湖集雨面积大、水体大、水位上涨快、地质结构差,溃坝的可能性极大,会给下游130多万群众造成巨大威胁。5月16日/20日,相关部门连续组
On May 12, after the Wenchuan earthquake, the Tangjiashan landslide quickly blocked the Bahe River, forming a barrier body of about 803 meters in length along the river and a maximum width of 611 meters in Yokogawa to form a maximum impoundment in front of the dam Nearly 320 million cubic meters of “natural hanging lake.” Tangjiashan dammed lake flooded the hometown of upstream Yu (Qiang Township in Yuli), Xuan Ping Township and many other townships and villages. Tangjiashan dammed lake rescue headquarters experts believe that, as Tangjiashan barrier lake catchment area, water body, water level rise fast, poor geological structure, the possibility of dam failure, will give 1.3 million people downstream A huge threat. May 16/20, the relevant departments in a row