欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
基于地学信息图谱理论,结合GIS和RS技术,利用河西绿洲甘州区1975年、1987年、1999年和2009年四期Landsat影像作为土地利用信息提取的基础空间数据,构建了一系列土地利用信息图谱,通过图谱来分析研究区的土地利用时空变化规律。结果表明：1975年～2009年河西绿洲甘州区的土地利用发生了显著变化,耕地、建设用地和未利用地呈现出持续的增加态势,其中耕地主要来源于草地、林地和未利用地的转化;林地、草地和水域面积呈减小趋势,主要表现为草地退化、开垦为耕地。
英文摘要：
This research is conducted based on geo-information TUPU analysis and GIS and RS technology.Four Landsat satellite images of Ganzhou District acquired in 1975,1987,1999 and 2009 were selected to obtain the land use change information.The temporal and spatial land use change process were analyzed and a series of varying TUPU of the land-use pattern were established by using spatial data spanning four periods（1975,1987,1999 and 2009）.The results show that the land use was changed significantly in Ganzhou District from 1975 to 2009;the farmland,construction land and unused land increased,and most of farmland was converted from grassland,unused land,and woodland;the woodland,grassland and water area decreased,which was mainly due to the degeneration of grassland into unused land and the cultivation into farmland.
同期刊论文项目
同项目期刊论文
期刊信息
位置：