A Research on the Land Use Change Spatial Differentiation in the Main Districts of Chongqing

This paper selects the TM,CBERS remote sensing image data about the main districts of Chongqing of three times(1988,2001,2007) to analysis the land use spatial differentiation characteristics from land use change and land use comprehensive degree change and discuss driving factors of land use change based on the dividing of 11 subareas in the study area.The results are shown in the following aspects.From 1988 to 2007 year,land use/land cover was in the dynamic change processes,the area of construction land and forest land increase and the area of farmland decrease.The relative rate of change of construction is the fastest,second,the farmland,third,the shrub land and water than other land use types.The farmland was transferred mainly into the construction land and green space,the area of forest land has been a reduce-increase of the change process,the shrub area has been growing.The land use comprehensive indexes were 279.38 in 1988,282.01 in 2001 and 282.13 in 2007,respectively.The conversion of farmland into construction land makes contribution to the land use comprehensive indexes obviously.