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Effects of raindrop temperature on the contributions of slaking and mechanical striking to aggregate disintegration during splash erosion

文献类型：期刊论文

作者Li, Hairu2,3; Gu, Ju2,4; Liu, Gang2,3,7; Elbasit, Mohamed A. M. Abd5; Hu, Feinan2,3; Zou, Tingrun6; Wang, Liang6; Zhang, Qiong2,3; Guo, Zhen1
刊名SOIL & TILLAGE RESEARCH
出版日期2022-10-01
卷号224页码:10
ISSN号0167-1987
关键词Splash erosion Raindrop temperature Slaking Mechanical striking Soil aggregates
DOI10.1016/j.still.2022.105518
通讯作者Liu, Gang(gliu@foxmail.com)
英文摘要The influence of raindrop temperature on the soil erosion process has been reported. However, the role of raindrop temperature in aggregate disintegration is unclear. The aims of this study are to investigate the effects of raindrop temperatures on soil aggregate disintegration and to evaluate their effects on the contribution of slaking and mechanical striking to splash erosion. Deionized water and ethanol (95%) were employed as rain-drop materials to quantify the effects of raindrop temperature on the contributions of slaking and mechanical striking to splash erosion. Raindrop temperatures were set to 2 & DEG;C, 10 & DEG;C and 20 & DEG;C, and the rainfall heights were set to 0.5 m, 1.0 m and 1.5 m. The results showed that the splash erosion rate decreased with increasing tem-perature in the Loam1 and Loamy sandy. The breakdown rate decreased with increasing temperature in ethanol tests. The influence of temperature on slaking was greater than that on mechanical striking. The contribution rates of mechanical striking and slaking decreased and increased with increasing temperature, respectively. Slaking contributed more to aggregate disintegration at 10 & DEG;C and 20 & DEG;C, while mechanical striking was the primary contributor at 2 & DEG;C in the Loam2 and Loamy sandy. The results provided a deeper understanding of the mechanism of splash erosion and contributed to improving soil erosion prediction models.
WOS关键词SEAL FORMATION ; INTERRILL EROSION ; WATER EROSION ; LOESS PLATEAU ; WETTING RATE ; STABILITY ; SOILS ; DETACHMENT ; RUNOFF ; ENERGY
资助项目Chinese Academy of Sciences[XDA28010201] ; Central Government[2021ZY0023]
WOS研究方向Agriculture
语种英语
出版者ELSEVIER
WOS记录号WOS:000847848000002
资助机构Chinese Academy of Sciences ; Central Government
源URL[http://ir.igsnrr.ac.cn/handle/311030/182314]  
专题中国科学院地理科学与资源研究所
通讯作者Liu, Gang
作者单位1.Sichuan Huabiaoce Testing Technol Co Ltd, Chengdu 610097, Sichuan, Peoples R China
2.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess Pl, Yangling 712100, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
4.Yangtze Ecol & Environm Co Ltd, Wuhan 430000, Peoples R China
5.Sol Plaatje Univ, Dept Phys & Earth Sci, ZA-8301 Kimberley, South Africa
6.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China
7.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714		 Li, Hairu,Gu, Ju,Liu, Gang,et al. Effects of raindrop temperature on the contributions of slaking and mechanical striking to aggregate disintegration during splash erosion[J]. SOIL & TILLAGE RESEARCH,2022,224:10.
APA Li, Hairu.,Gu, Ju.,Liu, Gang.,Elbasit, Mohamed A. M. Abd.,Hu, Feinan.,...&Guo, Zhen.(2022).Effects of raindrop temperature on the contributions of slaking and mechanical striking to aggregate disintegration during splash erosion.SOIL & TILLAGE RESEARCH,224,10.
MLA Li, Hairu,et al."Effects of raindrop temperature on the contributions of slaking and mechanical striking to aggregate disintegration during splash erosion".SOIL & TILLAGE RESEARCH 224(2022):10.

入库方式： OAI收割

来源：地理科学与资源研究所

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