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Spatiotemporal variations in deep soil moisture and its response to land-use shifts in the Wind-Water Erosion Crisscross Region in the Critical Zone of the Loess Plateau (2011-2015), China
Tong, Yongping1,4; Wang, Yunqiang1,2,3,5; Song, Yi1,2; Sun, Hui1,6; Xu, Yuting1,6
Corresponding AuthorWang, Yunqiang(wangyq@ieecas.cn)
2020-10-01
Source PublicationCATENA
ISSN0341-8162
Volume193Pages:14
AbstractSoil water content (SWC) with a deep profile is crucial to land use management, soil and water conservation, and ecological restoration worldwide, including the wind-water erosion crisscross region in the Critical Zone of the Chinese Loess Plateau. To ascertain the spatiotemporal variation of deep SWC and its response to land-use shifts in the region, the SWC was monitored at four representative land uses (farmland, shrubland, natural grassland, and planted grassland) to a depth of 21 m. Monitoring occurred between 2011 and 2015 in the Liudaogou watershed of the Chinese Loess Plateau. The Hydrus-1D model was then applied to simulate the SWC dynamics for the different land-use types and scenarios of land-use shifts. The SWC exhibited a high spatial variability in the vertical direction both within a given soil profile and among the different land uses. In the 0-2 m layer, the soil texture and root biomass controlled the spatial-temporal variability of the SWC. The temporal variability was also controlled by meteorological factors. In the 2-21 m layer, spatial variability was controlled by the soil texture, while soil texture and root biomass influenced the temporal variability of the SWC. The Hydrus-1D model accurately simulated spatiotemporal variations of SWC in the 0-21 m layer and was more effective on layers minimally influenced by weather. Land-use shifts from farmland with shallow-rooted plants to those with deep-rooted plants intensified soil water consumption in the 3.5-5 m layer. For best-management practices, appropriate plant species should be considered based on climatic conditions and SWC regimes. A better understanding of this information is useful for plant species selection, soil water resource utilization, and land use policymaking in the wind-water erosion crisscross region of the Critical Zone and other similar regions around the world.
KeywordDeep soil profile Earth critical zone Hydrus-1D Land-use management Root distribution Soil water simulation
DOI10.1016/j.catena.2020.104643
WOS KeywordTEMPORAL STABILITY ; VERTICAL-DISTRIBUTION ; VEGETATION TYPES ; VARIABILITY ; DYNAMICS ; ENVIRONMENTS ; RESTORATION ; PROFILES ; RAINFALL ; PATTERN
Indexed BySCI ; SCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA23070201] ; National Natural Science Foundation of China[41722106] ; National Natural Science Foundation of China[41530854] ; National Natural Science Foundation of China[41971045]
WOS Research AreaGeology ; Agriculture ; Water Resources
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000538770800046
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/14924
Collection生态环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorWang, Yunqiang
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
2.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
3.Beijing Normal Univ, Interdisciplinary Res Ctr Earth Sci Frontier, Beijing 100875, Peoples R China
4.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Xi An Jiao Tong Univ, Dept Earth & Environm Sci, Xian 710049, Peoples R China
6.Xian Inst Innovat Earth Environm Res, Xian 710061, Peoples R China
Recommended Citation
GB/T 7714
Tong, Yongping,Wang, Yunqiang,Song, Yi,et al. Spatiotemporal variations in deep soil moisture and its response to land-use shifts in the Wind-Water Erosion Crisscross Region in the Critical Zone of the Loess Plateau (2011-2015), China[J]. CATENA,2020,193:14.
APA Tong, Yongping,Wang, Yunqiang,Song, Yi,Sun, Hui,&Xu, Yuting.(2020).Spatiotemporal variations in deep soil moisture and its response to land-use shifts in the Wind-Water Erosion Crisscross Region in the Critical Zone of the Loess Plateau (2011-2015), China.CATENA,193,14.
MLA Tong, Yongping,et al."Spatiotemporal variations in deep soil moisture and its response to land-use shifts in the Wind-Water Erosion Crisscross Region in the Critical Zone of the Loess Plateau (2011-2015), China".CATENA 193(2020):14.
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