泥石流是一种常见的山地灾害,已越来越引起各方面的重视,81年成昆线利子依达泥石流灾后,有关单位对成昆北部分泥石流沟作了调查,对发展趋势和主要病害工点作了分析评价。近年来遥感技术在国民经济各部门的广泛应用表明是一种值得借鉴的方法,航卫片视野 Debris flow is a common mountain disaster and it has drawn more and more attention from all walks of life. After the Yizhen-Yi-Da debris flow hit Chengdu-Kunming Line in 1981, relevant units made a survey on the debris flow ditch in the northern part of Chengkun and analyzed the development trends and major diseases Point made analysis and evaluation. In recent years, the extensive application of remote sensing technology in various sectors of the national economy shows that it is a valuable method to draw lessons from.