【摘要】 选用 1994航片 ,1999年SPOT卫片作为信息源 ,用MAPGIS作为遥感数据处理的工具 ,对常熟市土地利用状况进行了动态监测 ,结果为 5年耕地面积减少 195hm2 ,年均动态率 - 3 7‰。随着地区经济的快速发展 ,土地利用变化显著 ,应用RS和GIS技术对其进行经常性的监测是很有必要的更多还原

【Abstract】 The dynamic monitoring was made for five towns of ChangSu county,using 1:50000 SPOT imagine data in 1994,1999 as information sources,and MAPGIS as process tool of remote sensing data.The investigating result showed that cultivated land was decreased 195 hr in the passed five years and the dynamic rate was -3 7‰ per year.Land use is changing obviously because of the economic development in the concerned region.It is necessary monitor the land use now and then,which could be well done by RS and GIS technique.更多还原