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An analysis of soil detachment capacity under freeze-thaw conditions using the Taguchi method
Sun, B. Y.1; Xiao, J. B.1; Li, Z. B.1,2; Ma, B.1; Zhang, L. T.2; Huang, Y. L.1; Bai, L. F.2
2018-03-01
Source PublicationCATENA
ISSN0341-8162
Volume162Pages:100-107
Corresponding AuthorLi, Z. B.(zbli@ms.iswc.ac.cn)
AbstractSoil detachment is one of the most important processes of soil erosion, as it is of great significance for the prevention and treatment of soil erosion in areas subject to seasonal freeze-thaw. However, little research on soil detachment capacity (SDC) during the thawing period has been carried out and this process remains unclear. In order to elucidate the effects of slope, flow discharge and freeze-thaw factors on SDC, the indoor artificial freezing-thawing method was applied in combination with scour to simulate the soil detachment process. Signal-to-noise (S/N) ratio analysis was also used to evaluate the experimental results by applying the Taguchi method. The results showed that SDC increased with the increased of slope and flow discharge. As the number of freeze thaw cycles and moisture increased, SDC initially decreased and then increased. A maximum soil detachment value was achieved at 12 slope and when moisture was 12%, flow discharge was 1.2 L/min, and there were ten freeze-thaw cycles. Statistical analysis with the help of Taguchi method showed that the percentage contribution of the different factors to SDC occurred in order, slope (76.02% at p = 0.002) > flow discharge (13.39% at p = 0.019) > soil moisture (6.92% at p = 0.047) > the number of freeze-thaw cycles (3.67% at p = 0.106), while factors related to hydrodynamic conditions exert a greater influence than those related to freeze-thaw. Finally, the Taguchi and orthogonal analysis methods showed the similar predictive results R-2 = 0.98 and R-2 = 0.97 respectively. However, the Taguchi method was more accurate than the orthogonal analysis methods due to less relative error 8.98% and 15.11% respectively. These results provided a scientific reference for the study of the mechanisms of soil erosion as well as for the applicability of the Taguchi method.
KeywordSoil erosion Freeze-thaw Soil detachment capacity Taguchi method
DOI10.1016/j.catena.2017.11.025
WOS KeywordEPHEMERAL GULLY EROSION ; SHALLOW FLOW ; AGGREGATE STABILITY ; WATER EROSION ; CONCENTRATED FLOW ; LOESS PLATEAU ; OVERLAND-FLOW ; ERODIBILITY ; CHINA ; MODEL
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41330858] ; Northwest Agriculture and Forestry University[2452015345]
Funding OrganizationNational Natural Science Foundation of China ; Northwest Agriculture and Forestry University
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000423004800011
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/60642
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Z. B.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
Recommended Citation
GB/T 7714
Sun, B. Y.,Xiao, J. B.,Li, Z. B.,et al. An analysis of soil detachment capacity under freeze-thaw conditions using the Taguchi method[J]. CATENA,2018,162:100-107.
APA Sun, B. Y..,Xiao, J. B..,Li, Z. B..,Ma, B..,Zhang, L. T..,...&Bai, L. F..(2018).An analysis of soil detachment capacity under freeze-thaw conditions using the Taguchi method.CATENA,162,100-107.
MLA Sun, B. Y.,et al."An analysis of soil detachment capacity under freeze-thaw conditions using the Taguchi method".CATENA 162(2018):100-107.
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