基于GIS城镇土地利用防灾适宜性评价方法分析

城镇土地利用规划及城市建设应重视土地的防灾适宜性评价，由于地质灾害对人类的生命和财产造成了严重的危害，所以要从防灾的角度进行城镇土地利用适宜性评价。开发基于GIS城镇建设用地防灾适宜性评价方法，借助IDRISI软件，通过对比分析GIS-OWA与布尔决策和权重线性叠加（WLC）等多准则评价方法在决策策略上的区别，计算了唐山市地质灾害影响下的土地利用适宜度

Analysis of method of urban land-use suitability evaluation for disaster prevention based on GIS

For the urban land-use planning and urban development, we should pay attention to the disaster prevention of land suitability evaluation. As a result of geological disasters in the existence of human life and property caused serious harm, so from the perspective of disaster prevention the urban land-use suitability evaluation should be made. Development of urban land-use suitability evaluation methods based on GIS for disaster prevention,using IDRISI software, through comparative analysis with the GIS-OWA and Boolean of decision-making and weight linear combination (WLC) and so on multi-criteria evaluation method in the distinction between strategic decision-making, the land-use suitability under the influence of geological disasters in Tangshan City has been calculated.