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Responses of global terrestrial evapotranspiration to climate change and increasing atmospheric CO2 in the 21st century


Metadata FieldValueLanguage
dc.contributorHanqin Tian, tianhan@auburn.eduen_US
dc.creatorPan, Shufen
dc.creatorTian, Hanqin
dc.creatorDangal, Shree
dc.creatorYang, Qichun
dc.creatorYang, Jia
dc.creatorLu, Chaoqun
dc.creatorTao, Bo
dc.creatorRen, Wei
dc.creatorOuyang, Zhiyun
dc.date.accessioned2023-06-17T15:05:42Z
dc.date.available2023-06-17T15:05:42Z
dc.date.created2015
dc.identifier10.1002/2014EF000263en_US
dc.identifier.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014EF000263en_US
dc.identifier.urihttps://aurora.auburn.edu/handle/11200/50535
dc.identifier.urihttp://dx.doi.org/10.35099/aurora-603
dc.description.abstractQuantifying the spatial and temporal patterns of the water lost to the atmosphere through land surface evapotranspiration (ET) is essential for understanding the global hydrological cycle, but remains much uncertain. In this study, we use the Dynamic Land Ecosystem Model to estimate the global terrestrial ET during 2000-2009 and project its changes in response to climate change and increasing atmospheric CO2 under two IPCC SRES scenarios (A2 and B1) during 2010-2099. Modeled results show a mean annual global terrestrial ET of about 549 (545-552) mm yr(-1) during 2000-2009. Relative to the 2000s, global terrestrial ET for the 2090s would increase by 30.7 mm yr(-1) (5.6%) and 13.2 mm yr(-1) (2.4%) under the A2 and B1 scenarios, respectively. About 60% of global land area would experience increasing ET at rates of over 9.5 mm decade(-1) over the study period under the A2 scenario. The Arctic region would have the largest ET increase (16% compared with the 2000s level) due to larger increase in temperature than other regions. Decreased ET would mainly take place in regions like central and western Asia, northern Africa, Australia, eastern South America, and Greenland due to declines in soil moisture and changing rainfall patterns. Our results indicate that warming temperature and increasing precipitation would result in large increase in ET by the end of the 21st century, while increasing atmospheric CO2 would be responsible for decrease in ET, given the reduction of stomatal conductance under elevated CO2.en_US
dc.formatPDFen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.ispartofEarth's Futureen_US
dc.relation.ispartofseries2328-4277en_US
dc.rights©American Geophysical Union 2015. This is this the version of record co-published by the American Geophysical Union and John Wiley & Sons, Inc. It is made available under the CC-BY-NC-ND 4.0 license. Item should be cited as: Pan, Shufen, et al. (2015). "Responses of global terrestrial evapotranspiration to climate change and increasing atmospheric CO2 in the 21st century." Earth's Future 3(1): 15-35.en_US
dc.subjectclimate changeen_US
dc.subjectevapotranspirationen_US
dc.subjectterrestrial ecosystem modelingen_US
dc.subjectterrestrial ecosystemsen_US
dc.titleResponses of global terrestrial evapotranspiration to climate change and increasing atmospheric CO2 in the 21st centuryen_US
dc.typeTexten_US
dc.type.genreJournal Article, Academic Journalen_US
dc.citation.volume3en_US
dc.citation.issue1en_US
dc.citation.spage15en_US
dc.citation.epage35en_US
dc.description.statusPublisheden_US
dc.description.peerreviewYesen_US
dc.creator.orcid0000-0002-1806-4091en_US
dc.creator.orcid0000-0002-1526-0513en_US
dc.creator.orcid0000-0001-9529-8206en_US
dc.creator.orcid0000-0003-2019-9603en_US
dc.creator.orcid0000-0002-1526-0513en_US
dc.creator.orcid0000-0002-4840-4835en_US
dc.creator.orcid0000-0001-7920-1427en_US
dc.creator.orcid0000-0002-8689-2550en_US

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