3种典型地表风沙流通量廓线研究现状

doi:10.7522/j.issn.1000-694X.2015.00168

摘要/Abstract

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。

关键词: 风沙流通量廓线, 下垫面, 流沙, 草方格, 戈壁

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.

Key words: mass-flux-density profile, underlying surface, moving sand, straw checkerboard, gobi

中图分类号:

P931.3

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.

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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