【摘要】 以什邡市为研究区域,借助GIS技术,将空间多源数据集成,反演地震灾区土地灾毁情况,对什邡市2007年～2008年土地利用情况动态变化进行分析。经研究表明,研究区在未受外力影响时,土地利用景观格局相对稳定;在地震及次生灾害的外力作用下,有林地、疏林地、草地的形变较大,城镇用地,农村居民用地,以及耕地受地震影响也有损毁。利用遥感技术进行灾区土地利用动态变化分析的研究思路和方法,将为灾区生态环境影响的回顾评价提供重要的参考与借鉴。更多还原

【Abstract】 Shifang city as the study area,dynamic changes in land during 2007-2008 has been analysis by using GIS technology and integration of multi-source space data.Studies have shown that when the study area is not affected by the external force,the pattern of land use and landscape is relatively stable,but under the secondary disasters due to earthquake and the external force,the deformation of landscape of woodland,open forest land,grassland is larger,and urban land,rural residential areas and farmland is also affected by the earthquake.The ideas and researching methods based on remote sensing technology for analysis of dynamic changes of land-use have been applied to the study area,and the results will be the important reference of ecological environment evaluation in the disaster area.更多还原