文档介绍：Journalof Engineering Geology 工程地质学报 1004—9665/2015/23(Suppl.)一0676—07 DOI:. 基于GIS的西咸新区城市建设用地适宜性评价水王根龙董英曾庆铭孟晓捷(中国地质调查局西安地质调查中心国土资源部黄土地质灾害重点实验室西安710054) 摘要西咸新区是近年来陕西省实施西咸一体化,对接西安市和咸阳市的重点建设区域,总面积882km2,为西部地区重点建设的5大城市新区之一。虽然西咸新区地理和经济位置卓越,然而区内地貌单元多样,地质构造复杂,地质问题突出,因此在该新区开展城市地质工作意义重大。在1:5万工程地质调查基础上,采用层次分析法构建了西咸新区城市建设用地分区评价指标,并根据MapGIS分析功能对其进行了适宜性评价。评价结果表明,西咸新区居住及公共设施用地较适宜区域以适宜、较适宜为主,%,%。适宜和较适宜区主要分布在阶地和黄土台塬区;而不适宜区主要集中在漫滩和高漫滩区,以及泾河和黄土台塬的接触带,这些区域因为存在活动断裂、滑坡、砂土液化等地质问题, 因此被评价为不适宜区与实际调查情况相符。关键词西咸新区MapGIS层次分析法黄土台塬渭河阶地中图分类号:TU463 文献标识码:A THE SUITABILITY EVALUATION OF LAND FoR CoNSTRUCTION OF XⅨIAN AREA BASED ON MAPGIS TECHNIQUES WANG Genlong DONG Ying ZENG Qingming MENG Xiaojie (KeyLaboratoryfor Geo-hazards inLoessAreaofMinistryofk耐and Resources,Shanxi CenterofGeological Survey, China Geological Survey,Xi’an 710054) Abstract With thetotal area of882km2,Xixian Area isthe key construction projects forXixian integration in Shaanxi theXixian area hasobvious advantages oflocation andeconomy in west ofChina,it al— SO issubjected tosome risks ofgeological problems due plex topography and geological , issignificant tocarry out urban geological research inthestudy a case study,the suitability evaluation of landforconstruction ofXixian Area was studied based on themethods ofanalytic hierarchy process(AHP)and