Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.geoderma.2015.03.011 |
How rain-formed soil crust affects wind erosion in a semi-arid steppe in northern China | |
Yan, Yuchun1,2,3; Wu, Lianhai4; Xin, Xiaoping1,2,3; Wang, Xu1,2,3; Yang, Guixia1,2,3 | |
通讯作者 | Yan, Yuchun |
来源期刊 | GEODERMA |
ISSN | 0016-7061 |
EISSN | 1872-6259 |
出版年 | 2015 |
卷号 | 249页码:79-86 |
英文摘要 | There have been few studies on the formation and resistance of physical crusts to wind erosion for typical steppe soils in Inner Mongolia, China. The objectives of this study were to 1) examine the effects of rainfall quantity on soil crust thickness, 2) investigate the effects of soil crust on wind erosion, 3) determine the crust thickness (crust formed by various rainfall quantities) able to most effectively resist wind erosion, and 4) evaluate the differences between the responses of soils with different treatment histories to crust formation and subsequent wind erosion at given rainfall quantities. To this end, we simulated five light rainfall levels to investigate the impact of light rainfall on soil crusting and subsequent wind erosion for soils of a semi-arid steppe via a unique approach. The results show that the soil crust thickness increases linearly with an increasing amount of rainfall for all four soils. The soil crust formed by rainfall of more than 0.5 mm was able to nearly completely prevent wind erosion during the experimental period; soil losses of only 0.1-2.4% were observed for the high rainfall treatments (>0.5 mm) for all four soils. In contrast, soil losses of 9.4-33.1% occurred in the non-rainfall treatments for the four soils. The results show that the soil loss ratio increased with increasing clay plus silt content and SOC content for the non-rainfall treatment and 0.2 mm rainfall treatment. (C) 2015 Elsevier B.V. All rights reserved. |
英文关键词 | Crust thickness Soil texture Soil organic carbon Wind erosion Simulated rainfall |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China ; England |
收录类别 | SCI-E |
WOS记录号 | WOS:000352671000009 |
WOS关键词 | ORGANIC-CARBON ; DESERT SOILS ; DUST |
WOS类目 | Soil Science |
WOS研究方向 | Agriculture |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/187473 |
作者单位 | 1.Hulunber State Stn Grassland Ecosyst Field Observ, Beijing, Peoples R China; 2.Minist Agr, Key Lab Resources Remote Sensing & Digital Agr, Beijing, Peoples R China; 3.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China; 4.Sustainable Soils & Grassland Syst Dept, Rothamsted Res, North Wyke EX20 2SB, Okehampton, England |
推荐引用方式 GB/T 7714 | Yan, Yuchun,Wu, Lianhai,Xin, Xiaoping,et al. How rain-formed soil crust affects wind erosion in a semi-arid steppe in northern China[J],2015,249:79-86. |
APA | Yan, Yuchun,Wu, Lianhai,Xin, Xiaoping,Wang, Xu,&Yang, Guixia.(2015).How rain-formed soil crust affects wind erosion in a semi-arid steppe in northern China.GEODERMA,249,79-86. |
MLA | Yan, Yuchun,et al."How rain-formed soil crust affects wind erosion in a semi-arid steppe in northern China".GEODERMA 249(2015):79-86. |
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