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| 巴丹吉林沙漠典型高大沙山迎风坡粒度特征 | |
| 引用本文： | 李恩菊,董治宝,赵景波.巴丹吉林沙漠典型高大沙山迎风坡粒度特征[J].干旱区地理,2011,34(3):471-478. |
| 作者姓名： | 李恩菊 董治宝 赵景波 |
| 作者单位： | 1. 陕西师范大学旅游与环境学院,陕西西安,710062 2. 陕西师范大学旅游与环境学院,陕西西安,710062;中国科学院寒区旱区环境与工程研究所风沙物理与沙漠环境实验室,甘肃兰州,730000 3. 陕西师范大学旅游与环境学院,陕西西安,710062;中国科学院地球环境研究所黄土与第四纪地质国家重点实验室,陕西西安,710075 |
| 基金项目： | 教育部“长江学者”特聘教授项目(801813) |
| 摘 要： | 风沙地貌形态与地表风动力的互馈机制研究是近年来风沙地貌学研究的热点问题.以巴丹吉林沙漠高大沙山为研究对象,选取巴丹吉林沙漠东南部苏木巴润吉林以西高度约400 m的高大沙山,对其迎风坡沉积物粒度特征进行系统采样分析,研究了高大沙山迎风坡沙物质粒度由坡脚至丘顶以及表层和下层的变化规律.结果表明,沙山迎风坡表层沉积物的粒度组... |
| 关 键 词： | 风沙地貌 高大沙山 粒度组成 粒度参数 巴丹吉林沙漠 |
Grain size distribution of the aeolian sediments on the stoss slope of a typical mega-dune in the Badain Jaran Desert |
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| LI En-ju,DONG Zhi-bao,ZHAO Jing-bo.Grain size distribution of the aeolian sediments on the stoss slope of a typical mega-dune in the Badain Jaran Desert[J].Arid Land Geography,2011,34(3):471-478. | |
| Authors: | LI En-ju DONG Zhi-bao ZHAO Jing-bo |
| Institution: | LI En-ju1,DONG Zhi-bao1,2,ZHAO Jing-bo1,3(1 College of Tourism and Environment Science,Shaanxi Normal University,Xi'an 710062,Shaanxi,China,2 Laboratory of Blown Sand Physics and Desert Environments,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou 730000,Gansu,3 State Key Laboratory of Loess and Quaternary Geology,Earth Environment Institute,Chinese Academy of Science,Xi'an,710075,China) |
| Abstract: | Grain size distribution of aeolian sediments which bear rich information about the dynamics of dunes is an important aspect in sand dune geomorphology.The Badain Jaran Desert of China has the tallest mega-dunes in the world,whose formation dynamics is an open question.A 400 m tall mega-dune located in west of the Southern Badain Lake in the southeast Badain Jaran Desert was selected to study the grain size distribution of the aeolian sediments on the stoss slope.42 sediment samples were collected at 21 site... |
| Keywords: | Aeolian geomorphology mega-dunes grain size composition grain size parameters Badain Jaran Desert |
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