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Source attribution of the changes in atmospheric methane for 2006–2008

hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierModélisation INVerse pour les mesures atmosphériques et SATellitaires [SATINV]
dc.contributor.authorBOUSQUET, Philippe
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorRINGEVAL, Bruno
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierICOS-RAMCES [ICOS-RAMCES]
dc.contributor.authorPISON, I.
hal.structure.identifierNational Oceanic and Atmospheric Administration [NOAA]
dc.contributor.authorDLUGOKENCKY, E.
hal.structure.identifierSouth African Weather Service [SAWS]
dc.contributor.authorBRUNKE, E.-G.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
dc.contributor.authorCAROUGE, C.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierModélisation INVerse pour les mesures atmosphériques et SATellitaires [SATINV]
dc.contributor.authorCHEVALLIER, F.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierModélisation INVerse pour les mesures atmosphériques et SATellitaires [SATINV]
dc.contributor.authorFORTEMS-CHEINEY, A.
hal.structure.identifierJet Propulsion Laboratory [JPL]
dc.contributor.authorFRANKENBERG, C.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierModelling the Earth Response to Multiple Anthropogenic Interactions and Dynamics [MERMAID]
dc.contributor.authorHAUGLUSTAINE, D.
hal.structure.identifierCentre for Australian Weather and Climate Research [CAWCR]
dc.contributor.authorKRUMMEL, P.
hal.structure.identifierJet Propulsion Laboratory [JPL]
dc.contributor.authorLANGENFELDS, R.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierICOS-RAMCES [ICOS-RAMCES]
dc.contributor.authorRAMONET, Michel
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierICOS-RAMCES [ICOS-RAMCES]
dc.contributor.authorSCHMIDT, M.
hal.structure.identifierJet Propulsion Laboratory [JPL]
dc.contributor.authorSTEELE, L
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierModélisation du climat [CLIM]
dc.contributor.authorSZOPA, S.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierICOS-ATC [ICOS-ATC]
dc.contributor.authorYVER, C.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierModélisation des Surfaces et Interfaces Continentales [MOSAIC]
dc.contributor.authorVIOVY, N.
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierICOS-ATC [ICOS-ATC]
dc.contributor.authorCIAIS, Philippe
dc.date.accessioned2024-04-08T11:53:09Z
dc.date.available2024-04-08T11:53:09Z
dc.date.issued2011
dc.identifier.issn1680-7316
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195518
dc.description.abstractEnThe recent increase of atmospheric methane is investigated by using two atmospheric inversions to quantify the distribution of sources and sinks for the 2006–2008 period, and a process-based model of methane emissions by natural wetland ecosystems. Methane emissions derived from the two inversions are consistent at a global scale: emissions are decreased in 2006 (−7 Tg) and increased in 2007 (+21 Tg) and 2008 (+18 Tg), as compared to the 1999–2006 period. The agreement on the latitudinal partition of the flux anomalies for the two inversions is fair in 2006, good in 2007, and not good in 2008. In 2007, a positive anomaly of tropical emissions is found to be the main contributor to the global emission anomalies (∼60–80%) for both inversions, with a dominant share attributed to natural wetlands (∼2/3), and a significant contribution from high latitudes (∼25%). The wetland ecosystem model produces smaller and more balanced positive emission anomalies between the tropics and the high latitudes for 2006, 2007 and 2008, mainly due to precipitation changes during these years. At a global scale, the agreement between the ecosystem model and the inversions is good in 2008 but not satisfying in 2006 and 2007. Tropical South America and Boreal Eurasia appear to be major contributors to variations in methane emissions consistently in the inversions and the ecosystem model. Finally, changes in OH radicals during 2006–2008 are found to be less than 1% in inversions, with only a small impact on the inferred methane emissions.
dc.language.isoen
dc.publisherEuropean Geosciences Union
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.title.enSource attribution of the changes in atmospheric methane for 2006–2008
dc.typeArticle de revue
dc.identifier.doi10.5194/acp-11-3689-2011
dc.subject.halPlanète et Univers [physics]/Océan, Atmosphère
dc.subject.halSciences de l'environnement/Milieux et Changements globaux
bordeaux.journalAtmospheric Chemistry and Physics
bordeaux.page3689-3700
bordeaux.volume11
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue8
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-01806769
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01806769v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Atmospheric%20Chemistry%20and%20Physics&rft.date=2011&rft.volume=11&rft.issue=8&rft.spage=3689-3700&rft.epage=3689-3700&rft.eissn=1680-7316&rft.issn=1680-7316&rft.au=BOUSQUET,%20Philippe&RINGEVAL,%20Bruno&PISON,%20I.&DLUGOKENCKY,%20E.&BRUNKE,%20E.-G.&rft.genre=article


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