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Global variation of transpiration and soil evaporation and the role of their major climate drivers
Zhang, Yongqiang1; Chiew, Francis H. S.1; Pena-Arancibia, Jorge1; Sun, Fubao2; Li, Hongxia3; Leuning, Ray4
2017-07-16
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
Volume122Issue:13Pages:6868-6881
Corresponding AuthorZhang, Yongqiang(yongqiang.zhang@csiro.au)
AbstractAlthough global variation in actual evapotranspiration has been widely investigated, it remains unclear how its two major components, transpiration and soil evaporation, are driven by climate drivers across global land surface. This paper uses a well-validated, process-based model that estimates transpiration and soil evaporation, and for the first time investigates and quantifies how the main global drivers, associated to vegetation process and the water and energy cycle, drive the spatiotemporal variation of the two components. The results show that transpiration and soil evaporation dominate the variance of actual evapotranspiration in wet and dry regions, respectively. Dry southern hemisphere from 13 degrees S to 27 degrees S is highlighted since it contributes to 21% global soil evaporation variance, with only 11% global land area. In wet regions, particularly in the humid tropics, there are strong correlations between transpiration, actual evapotranspiration, and potential evapotranspiration, with precipitation playing a relatively minor role, and available radiative energy is the major contributor to the interannual variability in transpiration and actual evapotranspiration in Amazonia. Conversely in dry regions, there are strong correlations between soil evaporation, actual evapotranspiration, and precipitation. Our findings highlight that ecohydrological links are highly related to climate regimes, and the small region such as Australia has important contribution to interannual variation in global soil evaporation and evapotranspiration, and anthropogenic activities strongly influence the variances in irrigation regions.
DOI10.1002/2017JD027025
WOS KeywordATMOSPHERE WATER FLUX ; TERRESTRIAL EVAPOTRANSPIRATION ; DECADAL TRENDS ; CYCLE ; MOSAICS ; INVENTORY ; ENERGY ; GCM
Indexed BySCI
Language英语
Funding ProjectAmeriFlux (U.S. Department of Energy, Biological and Environmental Research, Terrestrial Carbon Program[DE-FG02-04ER63917] ; AmeriFlux (U.S. Department of Energy, Biological and Environmental Research, Terrestrial Carbon Program[DE-FG02-04ER63911] ; CFCAS ; NSERC ; BIOCAP ; Environment Canada ; NRCan ; GreenGrass ; KoFlux ; LBA ; NECC ; OzFlux ; TCOS-Siberia ; USCCC ; CarboEuropeIP ; FAO-GTOS-TCO ; iLEAPS ; Max Planck Institute for Biogeochemistry ; National Science Foundation ; University of Tuscia ; Universite Laval ; U.S. Department of Energy
Funding OrganizationAmeriFlux (U.S. Department of Energy, Biological and Environmental Research, Terrestrial Carbon Program ; CFCAS ; NSERC ; BIOCAP ; Environment Canada ; NRCan ; GreenGrass ; KoFlux ; LBA ; NECC ; OzFlux ; TCOS-Siberia ; USCCC ; CarboEuropeIP ; FAO-GTOS-TCO ; iLEAPS ; Max Planck Institute for Biogeochemistry ; National Science Foundation ; University of Tuscia ; Universite Laval ; U.S. Department of Energy
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000407900300010
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61677
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Yongqiang
Affiliation1.CSIRO Land & Water, Canberra, ACT, Australia
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
3.Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Chengdu, Sichuan, Peoples R China
4.CSIRO Marine & Atmospher Res, Canberra, ACT, Australia
Recommended Citation
GB/T 7714
Zhang, Yongqiang,Chiew, Francis H. S.,Pena-Arancibia, Jorge,et al. Global variation of transpiration and soil evaporation and the role of their major climate drivers[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(13):6868-6881.
APA Zhang, Yongqiang,Chiew, Francis H. S.,Pena-Arancibia, Jorge,Sun, Fubao,Li, Hongxia,&Leuning, Ray.(2017).Global variation of transpiration and soil evaporation and the role of their major climate drivers.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(13),6868-6881.
MLA Zhang, Yongqiang,et al."Global variation of transpiration and soil evaporation and the role of their major climate drivers".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.13(2017):6868-6881.
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