干旱区生态环境知识资源中心(Arid): Influence of soil moisture and plant roots on the soil infiltration capacity at different stages in arid grasslands of China

Arid

DOI	10.1016/j.catena.2019.104147
	Influence of soil moisture and plant roots on the soil infiltration capacity at different stages in arid grasslands of China
	Liu, Yu 1,2; Cui, Zeng 1,2; Huang, Ze 1,2; Lopez-Vicente, Manuel 3; Wu, Gao-Lin 1,2,4
通讯作者	Wu, Gao-Lin
来源期刊	CATENA
ISSN	0341-8162
EISSN	1872-6887
出版年	2019
卷号	182
英文摘要	The accurate measurement of soil infiltration rates is a challenging task in hydrological studies, as they are governed by complex interactions between the plant and soil components. To explore the effects of plant roots and soil moisture (SM) on infiltration process, an automatic measurement system based on a point source device was used to determine infiltration rates at different cultivated grasslands (leguminous, gramineous and mixed) in an arid region of China. The results showed that SM and plant roots significantly affected the infiltration process at different stages in the three grasslands. The soil infiltration rates were negatively correlated to SM, but a positive correlation was observed with the below-ground biomass (BGB). SM was the main factor influencing the infiltration rates in the initial stage of infiltration, whereas both SM and BGB determined the steady-state infiltration rates. The influence of the combined effects of SM and plant roots decreased over infiltration time. The decreased rate of determining coefficient showed that SM was more influent than plant roots. These results may contribute to interpret the observed higher soil infiltration capacity in the leguminous grasslands than in the gramineous and the mixed grasslands, and were conducive to better understand the effects of plant and soil properties on infiltration processes in arid areas.
英文关键词	Soil infiltration rate Soil moisture Root systems Infiltration process Grassland Arid region
类型	Article
语种	英语
国家	Peoples R China ; Spain
收录类别	SCI-E
WOS记录号	WOS:000482493700038
WOS关键词	HYDRAULIC CONDUCTIVITY ; WATER CONTENT ; POINT-SOURCE ; SURFACE ; INFILTRABILITY ; IRRIGATION ; VELOCITY ; EMITTERS ; RAINFALL ; FLOW
WOS类目	Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS研究方向	Geology ; Agriculture ; Water Resources
EI主题词	2019-11-01
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/310676
作者单位	1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China; 2.Chinese Acad Sci & Minist Water Resource, Inst Soil & Water Conservat, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China; 3.CSIC, EEAD, Expt Stn Aula Dei, Dept Soil & Water, Zaragoza 50059, Spain; 4.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Liu, Yu,Cui, Zeng,Huang, Ze,et al. Influence of soil moisture and plant roots on the soil infiltration capacity at different stages in arid grasslands of China[J]. 西北农林科技大学,2019,182.
APA	Liu, Yu,Cui, Zeng,Huang, Ze,Lopez-Vicente, Manuel,&Wu, Gao-Lin.(2019).Influence of soil moisture and plant roots on the soil infiltration capacity at different stages in arid grasslands of China.CATENA,182.
MLA	Liu, Yu,et al."Influence of soil moisture and plant roots on the soil infiltration capacity at different stages in arid grasslands of China".CATENA 182(2019).