Soil-Water Characteristic Curves and Fitting Models of Collapsible Loess: A Case Study of Lanzhou, China

doi:10.15244/pjoes/145412

	Soil-Water Characteristic Curves and Fitting Models of Collapsible Loess: A Case Study of Lanzhou, China
	Zhao, Wenju 2; Zhou, Chun 2; Hu, Jiazhen 2; Ma, Fangfang 2; Wang, Zhijun 1,2
刊名	POLISH JOURNAL OF ENVIRONMENTAL STUDIES
	2022
卷号	31 期号:4 页码:3455-3462
关键词	soil moisture characteristic curve VG model BC model collapsible loess in Lanzhou
ISSN号	1230-1485
DOI	10.15244/pjoes/145412
英文摘要	The soil-water characteristic curve (SWCC) is an important hydrodynamic representation of soil and the basis for studying the water content of collapsible loess. The objectives of this study were to determine the water holding capacity of collapsible loess and the best fitting model of SWCC. We selected representative samples of collapsible loess in Lanzhou and measured the SWCCs. The SWCCs for soil samples varied with bulk density and particle size. The shapes were the same, but the volumetric water content (VWC) decreased as the suction increased. The suction of different soil layers tended to first decrease rapidly, then decrease more gradually and finally stabilize with VWC. The fitted VWC for the VG model was closer to the measured content, and the accuracy of the model was high. The VG-M (1-1/n, n) model was the best of the six models tested and was selected as the optimal model for fitting SWCCs, which will provide a theoretical basis for the accurate fitting of data of collapsible loess.
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	HARD
WOS记录号	WOS:000837234900002
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/159802]
专题	能源与动力工程学院
作者单位	1.Lanzhou Univ Technol, Baiyin New Mat Res Inst, Baiyin 730900, Peoples R China 2.Lanzhou Univ Technol, Coll Energy & Power Engn, Lanzhou 730050, Peoples R China;
推荐引用方式 GB/T 7714	Zhao, Wenju,Zhou, Chun,Hu, Jiazhen,et al. Soil-Water Characteristic Curves and Fitting Models of Collapsible Loess: A Case Study of Lanzhou, China[J]. POLISH JOURNAL OF ENVIRONMENTAL STUDIES,2022,31(4):3455-3462.
APA	Zhao, Wenju,Zhou, Chun,Hu, Jiazhen,Ma, Fangfang,&Wang, Zhijun.(2022).Soil-Water Characteristic Curves and Fitting Models of Collapsible Loess: A Case Study of Lanzhou, China.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,31(4),3455-3462.
MLA	Zhao, Wenju,et al."Soil-Water Characteristic Curves and Fitting Models of Collapsible Loess: A Case Study of Lanzhou, China".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 31.4(2022):3455-3462.