基于RS与GIS的攀枝花市土地利用变化驱动力分析

通过对研究区域1989年的TM影像、1999年的ETM(影像和2005年的ASTER影像进行分析,在ERDAS8.6和ArcGIS 9.2的支持下处理、解译及提取土地利用变化信息,最后利用统计方法总结出研究区域15年来土地利用动态变化的特征及其驱动力。结果表明,15年间研究区域土地利用方式发生了较大变化,综合土地利用年变化率达到1.08%,发生了土地利用空间变化的图斑占总面积的33%;研究区域土地利用变化的驱动力主要是经济增长及城市化、人口、工业化。

Analysis on Land-use Change and the Driving force in Panzhihua City based on RS and GIS

By Processing,interpreting and extracting the information of land-use changes based on the analysis of Landsat TM data(1989),ETM data(1999) and ASTER data(2005) in study area under the support of ERDAS 8.6 and ArcGIS 9.2,this study tended to find out the characteristics of dynamic changes in land use and the driving force of changes in a period of 15 years.The results indicated that great changes had taken place in the study area,the integrated rate of land-use change amounted to 1.08%,and the areas in which land-use changes had taken place accounted for 33% of the total area during 15 years.The driving forces of land-use change in study area were mainly due to the economic growth,urbanization,population growth and industrialization.