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Deep soil water storage varies with vegetation type and rainfall amount in the Loess Plateau of China
Cao, Ruixue1; Jia, Xiaoxu1,2; Huang, Laiming1,2; Zhu, Yuanjun3; Wu, Lianhai4; Shao, Ming'an1,2,3
2018-08-17
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8Pages:12
Corresponding AuthorJia, Xiaoxu(jiaxx@igsnrr.ac.cn)
AbstractSoil-water storage in a deep soil layer (SWSD), defined as the layer where soil water is not sensitive to daily evapotranspiration and regular rainfall events, functions as a soil reservoir in China's Loess Plateau (LP). We investigated spatial variations and factors that influence the SWSD in the 100-500 cm layers across the entire plateau. SWSD generally decreased from southeast to northwest following precipitation gradient, with a mean value of 587 mm. The spatial variation in the SWSD in grassland was the highest, followed by protection forests, production forests and cropland. Variation in the >550 mm rainfall zone was much lower than that in the <550 mm zone. The significant influencing variables explained 22.3-65.2% of the spatial variation in SWSD. The joint effect of local and climatic variables accounted for most of the explained spatial variation of SWSD for each vegetation type and the <450 mm rainfall zone. Spatial variation of SWSD, however, was dominantly controlled by the local variables in the 450-550 and the >550 mm rainfall zones. Therefore, regional models of SWSD for a specific vegetation need to incorporate climatic, soil and topographic variables, while for a rainfall zone, land use should not be ignored.
DOI10.1038/s41598-018-30850-7
WOS KeywordPLANT ROOTING DEPTH ; SPATIAL VARIABILITY ; PRECIPITATION GRADIENT ; MOISTURE VARIATIONS ; LAND-USE ; TRANSECT ; AFFORESTATION ; STABILITY ; HILLSLOPE ; DYNAMICS
Indexed BySCI
Language英语
Funding ProjectNational Key Project for Research and Development[2016YFC0501605] ; National Natural Science Foundation of China[41571130081] ; National Natural Science Foundation of China[41530854] ; UK Natural Environment Research Council[NE/N007433/1] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017076]
Funding OrganizationNational Key Project for Research and Development ; National Natural Science Foundation of China ; UK Natural Environment Research Council ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000441876700049
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54272
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJia, Xiaoxu
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
4.Rothamsted Res, Okehampton EX20 25B, Devon, England
Recommended Citation
GB/T 7714
Cao, Ruixue,Jia, Xiaoxu,Huang, Laiming,et al. Deep soil water storage varies with vegetation type and rainfall amount in the Loess Plateau of China[J]. SCIENTIFIC REPORTS,2018,8:12.
APA Cao, Ruixue,Jia, Xiaoxu,Huang, Laiming,Zhu, Yuanjun,Wu, Lianhai,&Shao, Ming'an.(2018).Deep soil water storage varies with vegetation type and rainfall amount in the Loess Plateau of China.SCIENTIFIC REPORTS,8,12.
MLA Cao, Ruixue,et al."Deep soil water storage varies with vegetation type and rainfall amount in the Loess Plateau of China".SCIENTIFIC REPORTS 8(2018):12.
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