鞍山市区地质环境质量评价分析

鞍山市区环境地质问题相对较为严重,主要表现在:已发生过岩溶塌陷、地面沉降等地质灾害,而且还存在着数条活动断裂,城市周边西鞍山、东鞍山、大孤山、眼前山、齐大山五座铁矿山也分布在活动断裂带或其附近,矿山地质环境与城市地区环境交织在一起,具有很强的关联性。通过对鞍山市区矿山地质环境现状分析,用层次分析法确定各指标权值,应用评价模型对海城市地质环境质量进行了综合评价,把鞍山市区地质环境划分为优、良、中、差4个质量级别。

Analysis of geological environment quality evaluation in Anshan city

The geological environment of Anshan urban is relatively serious,the problem is mainly reflected in the following:the geological disasters include collapse land subsidence has happened,and several active faults exist in the region.The iron ore mine included Xianshan,Donganshan,Dagushan,Yanqianshan and Qidashan located near the active faults.The geological environment of mine is strongly relate to urban environment.By analyzing the geological environment of Anshan mining area,and using Analytic Hierarchy Process to determine the value of each index,the urban geological environmental quality is assessed comprehensively with the assessment model,and the geological environment quality of Anshan is classified into four classes:best,good,moderate,and worst.