烟台地区近13a土地利用/土地覆盖变化分析

Land-use/cover and Analysis from 1992 to 2005 in Yantai Area

利用1992年和2005年的TM影像及2005年的土地利用现状图,运用GIS与RS技术,分析了烟台地区13年来土地利用的具体变化状况。研究结果表明,1992-2005年期间烟台地区耕地面积明显减少,城乡工矿建设用地、交通用地呈明显增加趋势,林地、河流变化较小,略有增加。同时对该地区的土地利用格局进行了分析,并对驱动这种格局的因素进行了简单分析。烟台地区在快速城市化过程中,耕地减少没有明显减缓迹象,迫切需要加强保护耕地措施。

This article by the help of GIS and RS, used the TM images of 1992 and 2005 years and the land use present condition image of 2005,analyzed the concrete land use changes of Yantai area in last thirteen years. The research results show that： during 1992～2005 periods, the cultivated land was decreased obviously, construction and traffic land area were increased, and the woodland and the river changed slowly and increased little. Furthermore analyzed the land use structure and its driving forces of the Lucking the course of the urbanization, there is no indication of the cultivated land decreased slow down in Yantai area. The measure to enhance cultivated land protection was need urgently.