乐山市地质灾害区划

作者参加乐山市10年减灾规划,重点调查地质灾害,确定出崩塌、滑坡、泥石流、土壤盐碱化、下湿田和地面塌陷等灾种。在综合自然条件、社会经济、受灾损失等实际情况之后,再参照《四川省泥石流、滑坡危害程度评分标准》,对乐山市地质灾害进行了分区,将该市的地质灾害划分为2个区、5个亚区和9个地段。对各地段存在地质灾害隐患与危害程度均作了简要说明。

GEOLOGICAL HAZARD DIVISIONS IN LESHAN

Taking part in the Ten-Year Programme for Reduction in Hazards in Leshan, the au-thor has investigated such geological hazards as rock fall, landslide, debris flow, salinization and swamping of soil, surface subsidence and so forth. In terms of natural conditions, so-cial and economic environments and the condition of a hazard, and in the light of "Stand-ard of Classification of Debris Flow and Landslide Hazards of Sichuan Province", this pa-per has divided Leshan region into two districts, five subdistricts and nine sectors according to the type and intensity of geological hazards, and has outlined possible geological hazards and their intensity in all the nine sectors.