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Hydrologic implications of the isotopic kinetic fractionation of open-water evaporation
Xiao, Wei1,2; Qian, Yufei1,2; Lee, Xuhui3; Wang, Wei4; Zhang, Mi1,2; Wen, Xuefa5; Liu, Shoudong1,2; Hu, Yongbo1,2; Xie, Chengyu1,2; Zhang, Zhen1,2; Zhang, Xuesong1,2; Zhao, Xiaoyan1,2; Zhang, Fucun4
2018-10-01
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Volume61Issue:10Pages:1523-1532
Corresponding AuthorXiao, Wei(wei.xiao@nuist.edu.cn) ; Lee, Xuhui(xuhui.lee@yale.edu)
AbstractThe kinetic fractionation of open-water evaporation against the stable water isotope H-2 O-18 is an important mechanism underlying many hydrologic studies that use O-18 as an isotopic tracer. A recent in-situ measurement of the isotopic water vapor flux over a lake indicates that the kinetic effect is much weaker (kinetic factor 6.2%) than assumed previously (kinetic factor 14.2%) by lake isotopic budget studies. This study investigates the implications of the weak kinetic effect for studies of deuterium excess-humidity relationships, regional moisture recycling, and global evapotranspiration partitioning. The results indicate that the low kinetic factor is consistent with the deuterium excess-humidity relationships observed over open oceans. The moisture recycling rate in the Great Lakes region derived from the isotopic tracer method with the low kinetic factor is a much better agreement with those from atmospheric modeling studies than if the default kinetic factor of 14.2%o is used. The ratio of transpiration to evapotranspiration at global scale decreases from 84 +/- 9% (with the default kinetic factor) to 76 +/- 19% (with the low kinetic factor), the latter of which is in slightly better agreement with other non-isotopic partitioning results.
KeywordKinetic fractionation factor Craig-Gordon model Moisture recycling Evapotranspiration partitioning Deuterium excess
DOI10.1007/s11430-018-9246-9
WOS KeywordGLOBAL TERRESTRIAL EVAPOTRANSPIRATION ; LINE SIMULATION CHARACTERISTICS ; DEUTERIUM EXCESS ; GREAT-LAKES ; MASS-BALANCE ; LAND-SURFACE ; TRANSPIRATION ; CLIMATE ; SYSTEM ; MODEL
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41475141] ; National Natural Science Foundation of China[41830860] ; National Natural Science Foundation of China[41575147] ; National Natural Science Foundation of China[41505005] ; National Key Research and Development Program of China[2016YFC0500102] ; U. S. National Science Foundation[1520684] ; Science and Technology Department of Ningxia[2015KJHM34] ; China Special Fund for Meteorological Research in the Public Interest[GYHY201506001-6] ; NUIST Scientific Foundation[KLME1415] ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Ministry of Education of the People's Republic of China
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; U. S. National Science Foundation ; Science and Technology Department of Ningxia ; China Special Fund for Meteorological Research in the Public Interest ; NUIST Scientific Foundation ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Ministry of Education of the People's Republic of China
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000446517200014
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52724
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXiao, Wei; Lee, Xuhui
Affiliation1.Nanjing Univ Informat Sci & Technol, Yale NUIST Ctr Atmospher Environm, Nanjing 210044, Jiangsu, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Jiangsu Collaborat Innovat Ctr Atmospher Environm, Nanjing 210044, Jiangsu, Peoples R China
3.Yale Univ, Sch Forestry & Environm Studies, New Haven, CT 06511 USA
4.Nanjing Univ Informat Sci & Technol, Jiangsu Key Lab Agr Meteorol, Nanjing 210044, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Wei,Qian, Yufei,Lee, Xuhui,et al. Hydrologic implications of the isotopic kinetic fractionation of open-water evaporation[J]. SCIENCE CHINA-EARTH SCIENCES,2018,61(10):1523-1532.
APA Xiao, Wei.,Qian, Yufei.,Lee, Xuhui.,Wang, Wei.,Zhang, Mi.,...&Zhang, Fucun.(2018).Hydrologic implications of the isotopic kinetic fractionation of open-water evaporation.SCIENCE CHINA-EARTH SCIENCES,61(10),1523-1532.
MLA Xiao, Wei,et al."Hydrologic implications of the isotopic kinetic fractionation of open-water evaporation".SCIENCE CHINA-EARTH SCIENCES 61.10(2018):1523-1532.
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