泥石流具有暴发突然,历时短,搬运能力、冲击能力和淤积能力都很强的特点,造成的损失重大。8月8日凌晨,甘肃舟曲县爆发中国近年来最惨烈的泥石流灾难,3个村庄被吞没,2/3的县城被浊水浸泡,千余人死亡与失踪。仅今夏以来,甘肃天水、陇南,陕西岚皋,广西容县,贵州关岭,云南怒江贡山,四川映秀、汉源等数十个市县,相继发生死伤程度不同之山体垮塌、滑坡、泥石流等由天灾诱发的惨剧,其结果令人感到悲痛万分。据国土资源 Debris flow with a sudden outbreak, lasted a short time, handling capacity, impact and silting ability are very strong, resulting in significant losses. In the early hours of August 8, the worst tragedy of mudslides in recent years in China broke out in Zhouqu County, Gansu Province. Three villages were engulfed. Two-thirds of the county’s cities were soaked in muddy water that more than 1,000 people died and disappeared. Only tens of cities and counties such as Tianshui, Longnan in Shaanxi, Langao in Shaanxi, Rongxian in Guangxi, Guanling in Guizhou, Gongshan in Nujiang in Yunnan, Yingxiu in Sichuan and Hanyuan have suffered landslides, landslides and mudslides in succession The tragedies caused by natural disasters have caused grievances. According to land resources