文献类型： 外文期刊
第一作者： Wang, Yuxian
作者： Wang, Yuxian;Xu, Yingying;Yang, Huiying;Shen, Huibo;Zhao, Lei;Zhu, Baoguo;Wang, Jiangxu;Guo, Lifeng
作者机构：
关键词： black soil; soil erosion; combined erosion; cultivated land with long gentle slope; slope length; aggregate
期刊名称：FRONTIERS IN ENVIRONMENTAL SCIENCE （ 影响因子：4.6； 五年影响因子：5.3 ）
ISSN：
年卷期： 2023 年 11 卷
页码：
收录情况： SCI
摘要： Slope erosion in the black soil region of Northeast China is complex and specific. In order to effectively control soil erosion and protect scarce black soil resources, it is necessary to reveal the law of soil erosion and the influence of basic units of soil structure on its erosion process. This paper used three treatments in the Le Bissonnais (LB) method to determine soil aggregate stability parameters and soil erodibility K values based on particle size composition. By establishing a mathematical fitting of the slope erosion rate along the slope length, it is found that the sinusoidal function fitting can better characterize the periodic law of the slope erosion rate of the long and gentle slope cultivated land in the typical black soil region. The research shows that the primary mechanism of black soil aggregate breakage is dissipation and mechanical disturbance, while the damage caused by clay expansion is the least.
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