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  • ISSN 1000-694X
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沙漠与沙漠化

基于自组织理论的巴丹吉林沙漠高大沙山空间分布特征研究

  • 李超 ,
  • 董治宝
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  • 1. 陕西师范大学 旅游与环境学院, 陕西 西安 710062;
    2. 中国科学院寒区旱区环境与工程研究所 沙漠与沙漠化重点实验室, 甘肃 兰州 730000
李超(1989-),男,河北藁城人,硕士研究生,研究方向为城市灾害防治与环境管理、风沙地貌与荒漠化防治。Email: 930436645@qq.com

收稿日期: 2014-03-03

  修回日期: 2014-04-25

  网络出版日期: 2015-03-20

基金资助

国家自然科学基金项目(41130533)

Analysis of Spatial Distribution Characteristics for Complex Mega-dunes in the Badain Jaran Desert Based on the Theory of Self-organization

  • Li Chao ,
  • Dong Zhibao
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  • 1. College of Tourism & Environment Sciences, Shaanxi Normal University, Xi'an 710062, China;
    2. Key Laboratory of Desert and Desertification, Cold and Arid Regions Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

Received date: 2014-03-03

  Revised date: 2014-04-25

  Online published: 2015-03-20

摘要

通过最邻近距离法定量描述了巴丹吉林沙漠高大沙山空间分布特征,分析和讨论了巴丹吉林沙漠高大沙山的主要成因和影响因素。结果表明:研究区内高大沙山空间分布的均匀程度整体上呈现出由西向东逐渐增大的趋势,而东南部靠近雅布赖山地区略有降低,最邻近指数R主要分布在1.29~1.63。沙山底面积和沙山绝对高度在空间上同样呈现出由西向东逐渐增大的趋势,但巴丹吉林沙漠高大沙山空间分布均匀程度的发展并不直接受到所在地海拔的影响。巴丹吉林沙漠高大沙山在空间分布上具有较高的自组织特征,而风力作用是塑造和维持巴丹吉林沙漠高大沙山巨大高度与自组织排列特征的主要力量。

本文引用格式

李超 , 董治宝 . 基于自组织理论的巴丹吉林沙漠高大沙山空间分布特征研究[J]. 中国沙漠, 2015 , 35(2) : 294 -300 . DOI: 10.7522/j.issn.1000-694X.2014.00046

Abstract

In the paper, the distribution characteristics of complex mega-dunes in the Badain Jaran Desert are described by the method of nearest neighbor analysis, and the main cause and the influencing factors of the complex mega-dunes are analyzed and deduced. The results show that the change of the nearest neighbor index R, elevation and floor area of complex mega-dunes maintain increasing trend from the west to east in the Badain Jaran Desert, and the R is 1.29-1.63. Correlation analysis shows that the developing of complex mega-dunes about the degree of homogeneity is not affected by the elevation of the interdune in the Badain Jaran Desert. The spatial distribution adheres to self-organization well, and the wind is the main power to make and maintain the complex mage-dunes which have enormous height and self-organization in the Badain Jaran Desert.

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