毛乌素沙地、腾格里沙漠南缘带土地利用与气候变化关系研究——以宁夏中部为例  

Relationship Between Land Use and the Climate Change in the Southern Marginal Zones of the Tengger Desert and Mu Us Desert——A Case Study in Central of Ningxia

作　　者：贾科利[1] 张俊华[2] 郭占军[1] 

机构地区：[1]宁夏大学资源环境学院,宁夏银川750021 [2]宁夏大学新技术应用研究开发中心,宁夏银川750021

出　　处：《宁夏大学学报（自然科学版）》2011年第2期176-180,共5页Journal of Ningxia University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(40801219);宁夏大学211工程重点学科建设项目"草业科学与生态工程"子项目

摘　　要：利用1978年MSS及1987,1996和2007年Landsat TM/ETM遥感影像,借助GIS技术,对腾格里沙漠与毛乌素沙地南缘地带土地利用与气候变化的响应关系进行了研究.结果表明,研究区年均温升高,降水量减少,气候趋于暖干化,土地利用开发程度差异显著,表现出30 a来,毛乌素沙地南缘土地利用开发强度整体较大,高于腾格里沙漠南缘地带,在变化速度上,毛乌素沙地高于腾格里沙漠南缘地区.By using the MSS image in 1978 and Landsat TM/ETM images in 1987,1996,2007 with the help of GIS,the relationship between land use and the climate change in the southern marginal zones of Tengger desert and Mu Us desert in central of Ningxia from 1978 to 2007 were analyzed.The results showed that under the conditions that the climate in north China trends to warming and drying,especially,under the control of the water and heat conditions,the degree of land use difference was significant in the southern marginal zones of Tengger desert and Mu Us desert.The land use level in the studying area was generally increased in the nearly past 30 years.But the land use level in the southern marginal zones of Mu Us desert was higher than that in the southern marginal zones of Tengger desert,as well as the speed of land use change in the southern marginal zones of Mu Us desert.

关 键 词：土地利用 气候变化 腾格里沙漠 毛乌素沙地 宁夏 

分 类 号：F301.24[经济管理—产业经济]