IGSNRR OpenIR
Regional variations in plant-available soil water storage and related driving factors in the middle reaches of the Yellow River Basin, China
Zhao, Chunlei1,2; Jia, Xiaoxu1,2; Shao, Ming'an1,2; Zhu, Yuanjun3
2021-11-01
Source PublicationAGRICULTURAL WATER MANAGEMENT
ISSN0378-3774
Volume257Pages:9
Corresponding AuthorJia, Xiaoxu(jiaxx@igsnrr.ac.cn)
AbstractAvailable soil water is considered the most important water resource for food production in agricultural ecosystems and sustainable vegetation restoration in arid and semi-arid regions. Compared to soil water content, plant-available soil water storage (ASWS) directly indicates the amount of soil water that can be used by plants. Understanding the spatial characteristics and controlling factors of ASWS can aid in improving the ability of the agricultural ecosystem to resist extreme natural disasters and stabilise grain production in China. In this study, ASWS in the 0-5.0 m profile was measured in an area of approximately 36.9 x 10(4) km(2) in the middle reaches of the Yellow River Basin. The total ASWS in the 0-5.0 m profile of the study area was 113 x 10(10) m(3), 85% of which was stored in the 450 mm rainfall zone. Regarding the 1.0-5.0 m soil layer and 450 mm rainfall zone, edaphic properties were the dominant factors determining the spatial characteristics of ASWS. Based on the spatial characteristics of ASWS, the shallow soil water (0-1.0 m) in the middle region and deep soil moisture (1.0-5.0 m) in the southern region of the study area can support the rational use of soil water in agricultural and vegetation restoration activities. Large-scale revegetation activities using trees or shrubs might not be the optimal choice in regions with mean annual precipitation < 450 mm. Knowledge of the spatial characteristics and contributions of the ASWS controlling factors is indispensable for reasonable agricultural regionalisation and vegetation restoration, as well as for an invulnerable and stable grain output system.
KeywordPlant-available soil water Water management Structural equation modelling Yellow River Basin
DOI10.1016/j.agwat.2021.107131
WOS KeywordSEMIARID LOESS PLATEAU ; LAND-USE ; SPATIAL VARIABILITY ; MOISTURE VARIATIONS ; DYNAMICS ; OPTIMIZATION ; TRANSECT ; IMPACTS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Founda-tion of China[41907009] ; National Natural Science Founda-tion of China[41877016] ; National Natural Science Founda-tion of China[42022048] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017076]
Funding OrganizationNational Natural Science Founda-tion of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS Research AreaAgriculture ; Water Resources
WOS SubjectAgronomy ; Water Resources
WOS IDWOS:000703159300001
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/165824
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
Recommended Citation
GB/T 7714
Zhao, Chunlei,Jia, Xiaoxu,Shao, Ming'an,et al. Regional variations in plant-available soil water storage and related driving factors in the middle reaches of the Yellow River Basin, China[J]. AGRICULTURAL WATER MANAGEMENT,2021,257:9.
APA Zhao, Chunlei,Jia, Xiaoxu,Shao, Ming'an,&Zhu, Yuanjun.(2021).Regional variations in plant-available soil water storage and related driving factors in the middle reaches of the Yellow River Basin, China.AGRICULTURAL WATER MANAGEMENT,257,9.
MLA Zhao, Chunlei,et al."Regional variations in plant-available soil water storage and related driving factors in the middle reaches of the Yellow River Basin, China".AGRICULTURAL WATER MANAGEMENT 257(2021):9.
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