| 3种典型地表风沙流通量廓线研究现状 |
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| 引用本文： | 马小明,吕萍.3种典型地表风沙流通量廓线研究现状[J].中国沙漠,2016,36(2):302-306. |
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| 作者姓名： | 马小明 吕萍 |
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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 沙漠与沙漠化重点实验室, 甘肃 兰州 730000;<2r>2. 中国科学院大学, 北京 100049 |
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| 基金项目： | 国家自然科学基金项目(41271021) |
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| 摘 要： | 风沙流研究越来越受到人们的重视,其中风沙流通量廓线研究起着重要作用。本文总结了3种典型地表(流沙地表、草方格地表、戈壁地表)风沙流通量廓线研究现状及存在问题。由于研究方法、研究区域及集沙效率的不同,风沙流通量廓线函数有指数函数、对数函数、幂函数、分段函数等多种,同一问题不同函数模拟结果差异可达到3倍,难以应用于实际。根据研究中存在的问题,提出风沙流通量廓线研究发展趋势。
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| 关 键 词： | 风沙流通量廓线 下垫面 流沙 草方格 戈壁 |
| 收稿时间： | 2015-06-03 |
| 修稿时间： | 2015-07-03 |
The Research Status on Mass-flux-density Profile over Three Kinds of Typical Surface |
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| Ma Xiaoming,Lv Ping.The Research Status on Mass-flux-density Profile over Three Kinds of Typical Surface[J].Journal of Desert Research,2016,36(2):302-306. |
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| Authors: | Ma Xiaoming Lv Ping |
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| Institution: | 1. Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | People have been paid more and more attention to the research of wind-sand flows, and the mass-flux-density profile above wind-eroded sediments research has played an important role. The research on the current development of three different properties about the surface (moving sand, straw checkerboard, gobi) of the mass-flux-density profile research situation has been summarized in this article. Because of different research methods, areas, the efficiency of sand and so on, more than 50 functions have been used on the mass-flux-density profile, including exponential function, logarithmic function, power function and Piecewise function, etc. However, these functions are hardly used in practice because of nearly 3 times difference in the same problem simulation results. According to the existing problems in research, the development trend of the mass-flux-density profile will be come up finally. |
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| Keywords: | mass-flux-density profile underlying surface moving sand straw checkerboard gobi |
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