干旱区生态环境知识资源中心(Arid): Deep soil water recharge response to precipitation in Mu Us Sandy Land of China

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	Deep soil water recharge response to precipitation in Mu Us Sandy Land of China
	Cheng Yiben; Zhan Hongbin; Yang Wenbin; Bao Fang
来源期刊	Water Science and Engineering
ISSN	1674-2370
出版年	2018
卷号	11 期号:2 页码:139-146
英文摘要	Soil water is the main form of water in desert areas, and its primary source is precipitation, which has a vital impact on the changes in soil moisture and plays an important role in deep soil water recharge (DSWR) in sandy areas. This study investigated the soil water response of mobile sand dunes to precipitation in a semi-arid sandy area of China. Precipitation and soil moisture sensors were used to simultaneously monitor the precipitation and the soil water content (SWC) dynamics of the upper 200-cm soil layer of mobile sand dunes located at the northeastern edge of the Mu Us Sandy Land of China in 2013. The data were used to analyze the characteristics of SWC, infiltration, and eventually DSWR. The results show that the accumulated precipitation (494 mm) from April 1 to November 1 of 2013 significantly influenced SWC at soil depths of 0e200 cm. When SWC in the upper 200-cm soil layer was relatively low (6.49%), the wetting front associated with 53.8 mm of accumulated precipitation could reach the 200-cm deep soil layer. When the SWC of the upper 200-cm soil layer was relatively high (10.22%), the wetting front associated with the 24.2 mm of accumulated precipitation could reach the upper 200-cm deep soil layer. Of the accumulated 494-mm precipitation in 2013, 103.2 mm of precipitation eventually became DSWR, accounting for 20.9% of the precipitation of that year. The annual soil moisture increase was 54.26 mm in 2013. Accurate calculation of DSWR will have important theoretical and practical significance for desert water resources assessment and ecological construction.
英文关键词	Mu Us Sandy Land Sandy land DSWR Precipitation Wetting front
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	CSCD
WOS研究方向	Engineering
CSCD记录号	CSCD:6304253
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335987
作者单位	Cheng Yiben, School of Soil and Water Conservation, Beijing Forestry University;;Institute of Desertification Studies, Chinese Academy of Forestry;;Department of Geology & Geophysics, Texas A&M University, ;;;;, ;;;;College Station, Beijing;;Beijing;;USA 100083;;100093;;77843-3115.; Zhan Hongbin, Department of Geology & Geophysics, Texas A&M University, College Station, 77843-3115, USA.; Yang Wenbin, Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100093, China.; Bao Fang, Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100093, China.
推荐引用方式 GB/T 7714	Cheng Yiben,Zhan Hongbin,Yang Wenbin,et al. Deep soil water recharge response to precipitation in Mu Us Sandy Land of China[J],2018,11(2):139-146.
APA	Cheng Yiben,Zhan Hongbin,Yang Wenbin,&Bao Fang.(2018).Deep soil water recharge response to precipitation in Mu Us Sandy Land of China.Water Science and Engineering,11(2),139-146.
MLA	Cheng Yiben,et al."Deep soil water recharge response to precipitation in Mu Us Sandy Land of China".Water Science and Engineering 11.2(2018):139-146.