【摘要】 如何准确地获取城市扩展的信息,并分析地质灾害对城市扩展的影响,对于指导城市规划具有重要的指导意义。首先利用四个时相的MSS、TM、CBERS-2遥感图像,提取唐山市28年来建成区的面积,并且对四个时期城市建成区的扩展进行了全面分析。然后从地质灾害的角度,分析了地震、岩溶塌陷、采煤塌陷这三个地质灾害对唐山市城市扩展的影响。最后针对唐山市未来的城市扩展提出了建议。更多还原

【Abstract】 It is significant to direct urban planning that how to obtain accurate information of urban expansion and analyze the impact of geological disasters on urban expansion.This paper firstly extracts the area of Tangshan City since 28 years ago with four-phase MSS,TM,CBERS remote sensing images and makes a comprehensive analysis to the expansion of urban residential districts.Then it discusses the impact brought by three geological disasters on the development of Tangshan City.In the end,it proposes suggestions to the development of Tangshan City.更多还原