关键词: 沙土地,起沙风速,侵蚀模数,风蚀因子[gap=677]keywords: sand land,wind speed of sand removing,erosion modulus,wind erosion factor D
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The sand-blown wind speed is directly relative to the underlying surface.
2起沙风速的大小跟下垫面有着直接的关系。
参考来源 - 福建省东南沿海风蚀规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
经分析得到起沙风速与沙床沙粒粒径和沙床粘结力间的数量关系。
The quantitative relation among the threshold wind velocity of sand movement, sand diameter and the agglutinate stress of sand bed is obtained with the mentioned dimensionless variables.
利用野外移动式风洞试验装置，对永定河不同植被覆盖率河滩农地在不同风速下的风蚀量进行了测定，结果表明：播草盖沙可以提高起沙风速，有效减少河滩地的土壤流失。
It measures wind erosion under the conditions of different wind speed of floodplain area with different vegetation coverage ratio of the Yongding River by using mobile filed wind channel equipment.
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