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山地灾害有广义与狭义之分。广义山地灾害是指发生于山地(含高原)的各种自然灾害。西藏常见的山地灾害有地震、洪水(山洪)、崩塌、滑坡、泥石流、干旱、雪害、大风、沙尘、霜冻、病虫害和鼠害等。狭义山地灾害是指在山地高差引起产生的重力及水力等营力作用下,山地坡面物质运移过程所造成的灾害。根据灾害发生时间的快慢,又可分为突发性山地灾害(如山洪、崩塌、滑坡和泥石流等)和慢发性山地灾
Mountain disaster has a broad sense and a narrow sense. Generalized mountain disaster refers to a variety of natural disasters that occur in mountainous areas (including plateaus). Common mountain disasters in Tibet include earthquakes, floods (floods), landslides, landslides, debris flows, droughts, snow damage, gales, dust, frost, pests and rodents. Narrow mountain disaster refers to the mountain caused by altitude difference caused by gravity and water under the force of the camp, the mountain slope material migration caused by the disaster. According to the speed of the disaster, it can be divided into sudden mountainous disasters (such as flash floods, avalanches, landslides and debris flows, etc.) and slow-onset mountainous disasters