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Estimating groundwater evapotranspiration by phreatophytes using combined water level and soil moisture observations
Wang, Tian-Ye1,2; Yu, Jing-Jie1,2; Wang, Ping1; Min, Lei-Lei3; Pozdniakov, Sergey P.4; Yuan, Guo-Fu5
2019-07-01
Source PublicationECOHYDROLOGY
ISSN1936-0584
Volume12Issue:5Pages:14
Corresponding AuthorYu, Jing-Jie(yujj@igsnrr.ac.cn) ; Wang, Ping(wangping@igsnrr.ac.cn)
AbstractOne of the classical methods for estimating groundwater evapotranspiration (ETg) by phreatophytes is based on diurnal water table fluctuations (WTFs). This method was initially introduced by White in 1932 and has recently been improved. However, vegetation-induced disequilibrium between groundwater and capillary fringe (CF) water is not considered under White's assumptions. In this study, we propose an approach that considers root-driven water depletion in the CF using the soil moisture profile (hereafter referred to as the SMP method). The SMP method is demonstrated to perform equally well for both long-term water table rises and declines. The apparent advantages of the SMP method over traditional WTF-based methods include its greater effectiveness in revealing physical mechanisms and its omission of specific yield determination. However, appropriately determining the boundary condition, which is related to active root-zone thickness, is crucial for the SMP method. Further development of the SMP method requires a deeper understanding of the interactions among roots, groundwater, and soil moisture.
Keywordevapotranspiration hyper-arid regions phreatophytes root water uptake water table fluctuations
DOI10.1002/eco.2092
WOS KeywordTABLE FLUCTUATIONS ; TARIM RIVER ; SPATIOTEMPORAL PATTERNS ; ROOT DISTRIBUTION ; VEGETATION ; TRANSPIRATION ; BASIN ; FLOW ; ECOSYSTEMS ; CATCHMENT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41271050] ; National Natural Science Foundation of China[41877165] ; National Natural Science Foundation of China[41671023] ; National Natural Science Foundation of the China-Russian Foundation for Basic Research (NSFC-RFBR) Programme 2018-2019[41811530084] ; National Natural Science Foundation of the China-Russian Foundation for Basic Research (NSFC-RFBR) Programme 2018-2019[18-55-53025 GammaPhiEH_a] ; China Geological Survey Project[DD20190504]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of the China-Russian Foundation for Basic Research (NSFC-RFBR) Programme 2018-2019 ; China Geological Survey Project
WOS Research AreaEnvironmental Sciences & Ecology ; Water Resources
WOS SubjectEcology ; Environmental Sciences ; Water Resources
WOS IDWOS:000474658500010
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/58365
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYu, Jing-Jie; Wang, Ping
Affiliation1.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
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Key Lab Agr Water Resources, Shijiazhuang, Hebei, Peoples R China
4.Lomonosov Moscow State Univ, Dept Hydrogeol, Moscow, Russia
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modelling, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Tian-Ye,Yu, Jing-Jie,Wang, Ping,et al. Estimating groundwater evapotranspiration by phreatophytes using combined water level and soil moisture observations[J]. ECOHYDROLOGY,2019,12(5):14.
APA Wang, Tian-Ye,Yu, Jing-Jie,Wang, Ping,Min, Lei-Lei,Pozdniakov, Sergey P.,&Yuan, Guo-Fu.(2019).Estimating groundwater evapotranspiration by phreatophytes using combined water level and soil moisture observations.ECOHYDROLOGY,12(5),14.
MLA Wang, Tian-Ye,et al."Estimating groundwater evapotranspiration by phreatophytes using combined water level and soil moisture observations".ECOHYDROLOGY 12.5(2019):14.
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