干旱区生态环境知识资源中心(Arid): 塔里木河下游垦区土地利用/覆盖动态变化过程分析

Arid

	塔里木河下游垦区土地利用/覆盖动态变化过程分析
其他题名	Analysis of land use/cover change processes in the reclamation area in the lo wer reaches of the Tarim River
	黄钱 1; 赵智杰 1; 蒋耒文 2
ISSN	1000-6060
出版年	2006
卷号	29 期号:6 页码:894-901
中文摘要	在分析和解译1977、1987和1999年三个时相的MSS,TM和ETM+遥感影像基础上,得到塔里木河下游垦区22年来土地利用/覆盖的动态变化信息,并对其数量变化特征、重心移动和主要变化类型进行了研究.结果表明:塔里木河下游垦区的水体、高覆盖草地、林地和中覆盖草地的面积锐减,主要转变为沙地和盐碱地;水体、耕地、林地、沼泽、草地和居民点的重心不断向塔里木河上游方向移动,这与垦区的人口和经济的重心移动方向是一致的,而沙地和盐碱地的重心则向相反的方向移动;林地-中覆盖草地-低覆盖草地-沙地/盐碱地转变的规律非常明显;中上游来水量减少和下游垦区的土地开发利用是导致土地退化和草场沙化的主要原因.
英文摘要	The Tarim River (40D18’47"～40°59’ 48" N, 86° 45’24" ～88°07’37" E, 845～811 ma. s. 1. ) is about 1 321 km in length, and it is the longest continental river in China. The study area, Reclaimed Area, is located in Yuli County in the lower reaches of the Tarim River, Xinjiang Uygur Autonomous Region, its total area is 25.87 km2, and the population is 4.26 * 10~(-1). Based analyzing and interpreting the MSS, TM, ETM + remote sensing images at three temporal stages in 1977, 1987 and 1999, in this paper the data of dynamic information of land use/cover change in the Reclaimed Area in the lower reaches of the Tarim River since recent 22 years are derived, and the change characteristics of areas, centroidal shift and change process of the main land use/cover types are lucubrated. The results reveal that the areas of waters, steppes with high coverage, woodlands and steppes with moderate coverage are sharply reduced, and they are mainly transformed into deserts and saline or alkaline lands. The centroidal areas of waters, cultivated lands, woodlands, marshes, steppes and residential areas are continuously shifted towards the upper reaches of the Tarim River, which accord with that of population growth and economic development, while the centroidal areas of deserts and saline or alkaline lands are continually shifted towards an opposite direction. The evolution laws of woodlands - steppes with moderate coverage - steppes with low coverage - deserts (saline or alkaline lands) are obvious. Land degradation and steppe degeneration in the lower reaches of the Tarim River are mainly caused by the reduction of inflow from the upper and middle reaches and the excessive exploitation and utilization of land resources in the lower reaches.
中文关键词	土地利用/覆盖变化 ; 重心移动 ; 遥感 ; 塔里木河
英文关键词	Land Use/Cover Change Centroidal Movement Remote Se nsing Taiim River
语种	中文
国家	中国
收录类别	CSCD
WOS类目	REMOTE SENSING
WOS研究方向	Remote Sensing
CSCD记录号	CSCD:2653740
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/219709
作者单位	1.北京大学环境学院, 北京 100871, 中国; 2.美国布朗大学沃森国际研究所, 普罗维登斯
推荐引用方式 GB/T 7714	黄钱,赵智杰,蒋耒文. 塔里木河下游垦区土地利用/覆盖动态变化过程分析[J],2006,29(6):894-901.
APA	黄钱,赵智杰,&蒋耒文.(2006).塔里木河下游垦区土地利用/覆盖动态变化过程分析.,29(6),894-901.
MLA	黄钱,et al."塔里木河下游垦区土地利用/覆盖动态变化过程分析".29.6(2006):894-901.