基于RS和GIS的城市化扩张动态分析——以长江三角洲典型行政区为例

摘要

对不同年份江宁区的遥感影像以及土壤信息等数据进行对比,研究区域土地利用类型的转变.结果表明,江宁区的城镇扩张主要是向南发展；城镇扩张主要利用地为耕地,林地、水体、未利用地也有部分被占用；城镇、农村居民点用地增幅较大,主要占用耕地面积；城市化进程驱动力主要为城市经济的快速发展及人口的增长.%Through comparing the remote sensing images and soil information of Jiangning Districts of different years, the transformation of land use iypes were studied. The results showed that town expansion of jiangning Districts is mainly toward the south; arable land is the main type of the covered land, and followed by the forest land, unused land and water; urban and rural residential land increased greatly; the driving iorce of urbanization process are mainly the rapid development of urban economy and the growth of population.