Historical desertification of the Mu Us Sandy Land: A perspective from the Beidachi section

查看全文 作　　者：YinZhou [1,2]Huang;NaiAng [1]Wang;HongYi [1]Cheng;Ning [1]Ma;TingTing [1]Lai

机构地区：[1]College of Earth & Environmental Sciences, Lanzhou University;[2]Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences

出　　处：《Research in Cold and Arid Regions》索引2013年第5卷第3期,共8页

基　　金：supported by National Natural Science Foundation of China (41101187);the Specialized Research Fund for the Doctoral Program of Higher Education (20100211120006);the Ministry of Education, Humanities and Social Science Projects (10YJCZH053);the Fundamental Research Funds for the Central Universities (LZUJBKY-2012-136);the National Science Foundation for Post-Doctoral Scientists of China (2012M512051) 摘　　要：Historical desertification of the Mu Us Sandy Land is linked to both environmental changes and anthropogenic activities. This paper reports on an analysis of grain size parameters as indicative of such changes in the southwestern area of the Mu Us Sandy Land. Combined with analysis of chronologies and historical records, our results indicate that Beidachi Lake and a nearby seasonal river have retreated continuously in history and that sand dunes appeared at approximately the end of the Ming dynasty. This study sheds new light on the understanding of spatial-temporal changes of the interior Mu Us Sandy Land in history and has great significance in revealing environmental changes of the interior region of the Mu Us Sandy Land. 关键词：毛乌素沙地历史记录荒漠化环境变化人为活动粒度参数西南地区内陆地区

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Historical desertification of the Mu Us Sandy Land: A perspective from the Beidachi section

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