基于GIS和RS的郑州市城区土地利用变化研究

Research on Land Use Change of Zhengzhou City Based on GIS and RS

以郑州市城区为研究对象,基于1988,1992,2001年的TM影像和2006年的中巴地球资源卫星影像,在遥感和地理信息系统软件支持下,采用土地资源数量变化模型、土地利用程度变化模型和转移矩阵分析了郑州市城区18 a间土地利用的时空变化情况.研究表明,郑州市城区土地利用变化较大,主要表现在耕地面积的减少与城镇用地、农村居民用地和工矿及交通用地面积的增加.引起土地利用变化的主要有经济发展、政策因素、城市化和人口增加等社会经济因素.

Taking Zhengzhou city as research objects, based on Landsat TM images （1988, 1992 and 2001 ） and CBERS image （2006） , and supported by software of Remote Sensing （RS） and Geographic Information System （GIS） , the land use change of Zhengzhou city is analyzed by using land resource quantity change model, land use level change model and transform matrix from 1988 to 2006. The results show that great land use changes have taken place in Zhengzhou city in 18 years, especially, areas of urban land, rural land and factory/traffic land increase and cultivated land decreases. Finally, the paper points out that the social economic factors are the main driving factors of land use change, such as economic development, policy regulation, urbanization and population increase.