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Do <sup>2</sup> H and <sup>18</sup> O in leaf water reflect environmental drivers differently?

hal.structure.identifierJames Cook University [JCU]
dc.contributor.authorCERNUSAK, Lucas
dc.contributor.authorBARBETA, Adrià
hal.structure.identifierNorthwestern University [Evanston]
dc.contributor.authorBUSH, Rosemary
hal.structure.identifierTrier University of Applied Sciences
dc.contributor.authorEICHSTAEDT (BÖGELEIN), Rebekka
hal.structure.identifierCentro de Investigación y Tecnología Agroalimentaria de Aragón [CITA]
dc.contributor.authorFERRIO, Juan
hal.structure.identifierUniversity of Lethbridge
dc.contributor.authorFLANAGAN, Lawrence
hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorGESSLER, Arthur
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorMARTÍN-GOMEZ, Paula
hal.structure.identifierTechnische Universität Munchen - Technical University Munich - Université Technique de Munich [TUM]
dc.contributor.authorHIRL, Regina
hal.structure.identifierUniversité de Bâle = University of Basel = Basel Universität [Unibas]
dc.contributor.authorKAHMEN, Ansgar
hal.structure.identifierThe University of Sidney
dc.contributor.authorKEITEL, Claudia
hal.structure.identifierSan Diego State University [SDSU]
dc.contributor.authorLAI, Chun‐ta
hal.structure.identifierJames Cook University [JCU]
dc.contributor.authorMUNKSGAARD, Niels
hal.structure.identifierUniversité de Bâle = University of Basel = Basel Universität [Unibas]
dc.contributor.authorNELSON, Daniel
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorOGÉE, Jérôme
hal.structure.identifierSouthern Oregon University [SOU]
dc.contributor.authorRODEN, John
hal.structure.identifierTechnische Universität Munchen - Technical University Munich - Université Technique de Munich [TUM]
dc.contributor.authorSCHNYDER, Hans
hal.structure.identifierMichigan Technological University [MTU]
dc.contributor.authorVOELKER, Steven
hal.structure.identifierIndiana University - Purdue University Indianapolis [IUPUI]
dc.contributor.authorWANG, Lixin
hal.structure.identifierAustralian National University [ANU]
dc.contributor.authorSTUART‐WILLIAMS, Hilary
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorWINGATE, Lisa
hal.structure.identifierChinese Academy of Sciences [Beijing] [CAS]
dc.contributor.authorYU, Wusheng
hal.structure.identifierNorthwestern University [Evanston]
dc.contributor.authorZHAO, Liangju
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorCUNTZ, Matthias
dc.date.accessioned2024-04-08T11:47:25Z
dc.date.available2024-04-08T11:47:25Z
dc.date.issued2022-04-12
dc.identifier.issn0028-646X
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195280
dc.description.abstractEnWe compiled hydrogen and oxygen stable isotope compositions (delta H-2 and delta O-18) of leaf water from multiple biomes to examine variations with environmental drivers. Leaf water delta H-2 was more closely correlated with delta H-2 of xylem water or atmospheric vapour, whereas leaf water delta O-18 was more closely correlated with air relative humidity. This resulted from the larger proportional range for delta H-2 of meteoric waters relative to the extent of leaf water evaporative enrichment compared with delta O-18. We next expressed leaf water as isotopic enrichment above xylem water (Delta H-2 and Delta O-18) to remove the impact of xylem water isotopic variation. For Delta H-2, leaf water still correlated with atmospheric vapour, whereas Delta O-18 showed no such correlation. This was explained by covariance between air relative humidity and the Delta O-18 of atmospheric vapour. This is consistent with a previously observed diurnal correlation between air relative humidity and the deuterium excess of atmospheric vapour across a range of ecosystems. We conclude that H-2 and O-18 in leaf water do indeed reflect the balance of environmental drivers differently; our results have implications for understanding isotopic effects associated with water cycling in terrestrial ecosystems and for inferring environmental change from isotopic biomarkers that act as proxies for leaf water.
dc.description.sponsorshipRecherches Avancées sur l'Arbre et les Ecosytèmes Forestiers
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enevaporative enrichment
dc.subject.enisotopic biomarker
dc.subject.enleaf water
dc.subject.enrelative humidity
dc.subject.enstable isotopes
dc.title.enDo <sup>2</sup> H and <sup>18</sup> O in leaf water reflect environmental drivers differently?
dc.typeArticle de revue
dc.identifier.doi10.1111/nph.18113
dc.subject.halSciences de l'environnement
bordeaux.journalNew Phytologist
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-03678147
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03678147v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=New%20Phytologist&amp;rft.date=2022-04-12&amp;rft.eissn=0028-646X&amp;rft.issn=0028-646X&amp;rft.au=CERNUSAK,%20Lucas&amp;BARBETA,%20Adri%C3%A0&amp;BUSH,%20Rosemary&amp;EICHSTAEDT%20(B%C3%96GELEIN),%20Rebekka&amp;FERRIO,%20Juan&amp;rft.genre=article


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