| 科尔沁沙地沙漠化正逆过程的地面判别方法 |
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| 引用本文： | 赵哈林,周瑞莲,赵学勇,张铜会.科尔沁沙地沙漠化正逆过程的地面判别方法[J].中国沙漠,2008,28(1):8-15. |
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| 作者姓名： | 赵哈林 周瑞莲 赵学勇 张铜会 |
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| 作者单位： | 1. 中国科学院寒区旱区环境与工程研究所,甘肃,兰州,730000
2. 鲁东大学生命科学学院,山东,烟台,264025 |
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| 基金项目： | 中国科学院寒区旱区环境与工程研究所创新项目（0650444001） |
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| 摘 要： | 在实地调查和多年定位研究的基础上, 根据目前沙漠化过程研究的需要，介绍了沙地、沙丘、沙漠化土地等相关概念及其主要区别，阐述了沙地、沙丘、沙漠化土地类型的划分标准以及类型互换使用中应该注意的问题；通过分析影响沙漠化发展方向和过程的关键因素，建立了沙漠化正\,逆发展过程的地面判别指标体系，并讨论了不同类型沙丘的主要来源、发展方向及转换过程的判别方法。所建立的沙漠化正\,逆过程的地面判别方法，具有较强的实用性、可操作性和准确性, 可用于科尔沁沙地以及类似环境条件同类型沙地的野外调查和定位研究。
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| 关 键 词： | 科尔沁沙地 沙丘 沙漠化过程 判别方法 |
| 文章编号： | 1000-694X（2008）01-0008-08 |
| 收稿时间： | 2006-12-10 |
| 修稿时间： | 2007-01-08 |
Ground Discriminance on Positive and Negative Processes of Land Desertification in Horqin Sand Land |
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| ZHAO Ha-lin,ZHAO Rui-lian,ZHAO Xue-yong,ZHANG Tong-hui.Ground Discriminance on Positive and Negative Processes of Land Desertification in Horqin Sand Land[J].Journal of Desert Research,2008,28(1):8-15. |
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| Authors: | ZHAO Ha-lin ZHAO Rui-lian ZHAO Xue-yong ZHANG Tong-hui |
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| Institution: | 1.Cold and Arid Regions Environmental and Engineering Institute, Chinese Academy of Sciences, Lanzhou 730000, China; 2.Faculty of Life Sciences, Eastern Shandong University, Yantai 264025, Shandong, China |
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| Abstract: | Based on field survey and multiyear in situ observation, also in needs of desertification process research, this paper introduced the ground distinguished methods on positive and negative processes of land desertification. The concepts of sand land, sand dune and desertified land etc. and the differences among the concepts were explained, and the assessment indicator systems on sand land, sand dune and desertified land and some questions for attention to use these indicator systems were introduced. Through analyzing the primary factors to influence the development directions and processes of desertification, the paper established the ground distinguished indicator systems, and discussed the source and developing direction of different types of sand dune. These assessment indicator systems and methods was practical to filed investigation and location research of desertification processes in Horqin Sand Land and other areas with similar environment. |
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| Keywords: | Horqin Sand Land sand dune desertification processes discriminance |
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