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[1]YU Xiangxiang,LI Shengyu,MA Xuexi,et al.Spatial Variation of Grain-size Characteristics of Near Surface Aeolian Sand Transport Under Desert Highway Shelterbelt[J].Research of Soil and Water Conservation,2017,24(01):334-341.

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Spatial Variation of Grain-size Characteristics of Near Surface Aeolian Sand Transport Under Desert Highway Shelterbelt

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 01 Page number: 334-341 Column: Public date: 2017-02-28

Title:: Spatial Variation of Grain-size Characteristics of Near Surface Aeolian Sand Transport Under Desert Highway Shelterbelt

Author(s):: YU Xiangxiang^1,2, LI Shengyu¹, MA Xuexi^1,2, JIA Wenru^1,2; 1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
2. University of Chinese Academy of Science, Beijing 100049, China

Keywords:: desert highway; shelterbelt; aeolian sand transport; grain-size characteristics

CLC:: P931.3

DOI:: -

Abstract:: BSNE sampler was used to monitor the grain-size characteristics of near surface aeolian sand transport under desert highway shelterbelt. The results showed that in the horizontal direction, along the main wind direction from windward to leeward moving sand nearby the shelterbelt, the mean grain-size of aeolian sand transport decreased and the sorting coefficient became poor, and that the more downward the wind, the greater the changes. But between the two belts of sand-resisting forest, the grain-size characteristics of aeolian sand transport affected by the sand dunes were different with other points, its mean grain-size increased and the sorting coefficient became large. In the vertical direction, the main grain-size of aeolian sand transport firstly decreased and then increased, and the grain-size slightly increased above the plant canopy. Affected by the shelterbelt, the grain-size of near surface aeolian sand transport decreased in the vertical variation, but the grain-size of aeolian sand transport increased between different points in different seasons. Within the influence of shelterbelt, the spatial variation of grain-size characteristics of near surface Aeolian sand transport were relevant with the vertical porosity of the shelterbelt, season and the micro environment at specific location in the shelterbelt.

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