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Water movement and solute transport in deep vadose zone under four irrigated agricultural land-use types in the North China Plain
Min, Leilei1; Shen, Yanjun1; Pei, Hongwei2; Wang, Ping3
2018-04-01
Source PublicationJOURNAL OF HYDROLOGY
ISSN0022-1694
Volume559Pages:510-522
Corresponding AuthorShen, Yanjun(yjshen@sjziam.ac.cn)
AbstractGroundwater-fed agriculture has caused water table declines and groundwater quality degradation in the North China Plain. Based on sediment sampling in deep vadose zone (with a maximum depth of 11.0 m), groundwater recharge, seepage velocity, solute inventory and transport under four typical irrigated agricultural land-use types (winter wheat and summer maize, WM; pear orchards, PO; outdoor vegetables, VE; and cotton, CO) were investigated in this study. The results reveal that there are many solutes stored in the vadose zone. Nitrate storage per unit depth in the vadose zone is highest under PO (1703 kg/ha), followed by VE (970 kg/ha), WM (736 kg/ha) and CO (727 kg/ha). However, the amount of annual leached nitrate under the four land-use types results in a different order (VE, 404 kg/ha; WM, 108 kg/ha; PO, 23 kg/ha; CO, 13 kg/ha). The estimated average recharge rates are 180 mm/yr for WM, 27 mm/yr for CO, 320 mm/yr for VE and 49 mm/yr for PO. The seepage velocity under VE (2.22 m/yr) exceeds the values under the other three land-use types (WM, 0.85 m/yr; PO, 0.49 m/yr; CO, 0.09 m/yr). The highest seepage velocity under VE caused significant nitrate contamination in groundwater, whereas the other two land-use types (WM and PO) had no direct influence on groundwater quality. The results of this work could be used for groundwater resources management. (C) 2018 Elsevier B.V. All rights reserved.
KeywordAgricultural land-use types Deep vadose zone Groundwater recharge Solute transport North China Plain
DOI10.1016/j.jhydrol.2018.02.037
WOS KeywordESTIMATING GROUNDWATER RECHARGE ; ROTATE-N MODEL ; UNSATURATED ZONE ; ENVIRONMENTAL TRACERS ; CROPPING SYSTEMS ; UNITED-STATES ; SPATIAL VARIABILITY ; TYPICAL CROPLAND ; CITRUS ORCHARDS ; PIEDMONT REGION
Indexed BySCI
Language英语
Funding ProjectNational Natural Scientific Foundation of China (NSFC)[41561124015] ; National Natural Scientific Foundation of China (NSFC)[41501035] ; National Natural Scientific Foundation of China (NSFC)[41471027]
Funding OrganizationNational Natural Scientific Foundation of China (NSFC)
WOS Research AreaEngineering ; Geology ; Water Resources
WOS SubjectEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000430902000039
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/55090
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShen, Yanjun
Affiliation1.Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Key Lab Agr Water Resources, Shijiazhuang 050021, Hebei, Peoples R China
2.Hebei Univ Architecture, Sch Energy & Environm Engn, 13 West Chaoyang St, Zhangjiakou 075000, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, 11A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Min, Leilei,Shen, Yanjun,Pei, Hongwei,et al. Water movement and solute transport in deep vadose zone under four irrigated agricultural land-use types in the North China Plain[J]. JOURNAL OF HYDROLOGY,2018,559:510-522.
APA Min, Leilei,Shen, Yanjun,Pei, Hongwei,&Wang, Ping.(2018).Water movement and solute transport in deep vadose zone under four irrigated agricultural land-use types in the North China Plain.JOURNAL OF HYDROLOGY,559,510-522.
MLA Min, Leilei,et al."Water movement and solute transport in deep vadose zone under four irrigated agricultural land-use types in the North China Plain".JOURNAL OF HYDROLOGY 559(2018):510-522.
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