Mud Flow— Slow and Fast

摘要: Heavy and persistent rainfalls in mountainous areas can loosen the hillslope induce mud flows which move stones, boulders even trees, with destructive power on their path. In China where 70% of land surface is covered by mountains, debris due to landslides or affect over 18.6% nation. Over 10,000 flow ravines have been identified; hundreds lives are lost every year [1]. While accurate assessment still pending, caused Hurricane Mitch 1998 incurred devastating floods Central America. Honduras alone more than 6000 people perished. Half nation’s infrastructures were damaged.