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dc.contributor.authorBERGAMASCHI Peteren_GB
dc.contributor.authorCORAZZA Matteoen_GB
dc.contributor.authorKARSTENS U.en_GB
dc.contributor.authorATHANASSIADOU Mariaen_GB
dc.contributor.authorTHOMPSON R.en_GB
dc.contributor.authorPISON Isabelleen_GB
dc.contributor.authorMANNING A.en_GB
dc.contributor.authorBOUSQUET Philippeen_GB
dc.contributor.authorSEGERS Arjoen_GB
dc.contributor.authorVERMEULEN Alexen_GB
dc.contributor.authorJANSSENS-MAENHOUT Greeten_GB
dc.contributor.authorSCHMIDT Martinaen_GB
dc.contributor.authorRAMONET Michelen_GB
dc.contributor.authorMEINHARDT Franken_GB
dc.contributor.authorAALTO T.en_GB
dc.contributor.authorHASZPRA L.en_GB
dc.contributor.authorMONCRIEFF Johnen_GB
dc.contributor.authorPOPA E.en_GB
dc.contributor.authorLOWRY Daveen_GB
dc.contributor.authorSTEINBACHER M.en_GB
dc.contributor.authorJORDAN A.en_GB
dc.contributor.authorO'DOHERTY S.en_GB
dc.contributor.authorPIACENTINO S.en_GB
dc.contributor.authorDLUGOKENCKY E.en_GB
dc.date.accessioned2015-05-28T01:38:52Z-
dc.date.available2015-01-26en_GB
dc.date.available2015-05-28T01:38:52Z-
dc.date.created2015-01-23en_GB
dc.date.issued2015en_GB
dc.date.submitted2014-03-05en_GB
dc.identifier.citationATMOSPHERIC CHEMISTRY AND PHYSICS vol. 15 no. 2 p. 715–736en_GB
dc.identifier.issn1680-7316en_GB
dc.identifier.urihttp://www.atmos-chem-phys.net/15/715/2015/acp-15-715-2015.htmlen_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC89387-
dc.description.abstractEuropean CH4 and N2O emissions are estimated for 2006 and 2007 using four inverse modelling systems, based on different global and regional Eulerian and Lagrangian transport models. This ensemble approach is designed to provide more realistic estimates of the overall uncertainties in the derived emissions, which is particularly important for verifying bottom-up emission inventories. We use continuous observations from 10 European stations (including 5 tall towers) for CH4 and 9 continuous stations for N2O, complemented by additional European and global discrete air sampling sites. The available observations mainly constrain CH4 and N2O emissions from northwestern and eastern Europe. The inversions are strongly driven by the observations and the derived total emissions of larger countries show little dependence on the emission inventories used a priori. Three inverse models yield 26–56% higher total CH4 emissions from north-western and eastern Europe compared to bottom-up emissions reported to the UNFCCC, while one model is close to the UNFCCC values. In contrast, the inverse modelling estimates of European N2O emissions are in general close to the UNFCCC values, with the overall range from all models being much smaller than the UNFCCC uncertainty range for most countries. Our analysis suggests that the reported uncertainties for CH4 emissions might be underestimated, while those for N2O emissions are likely overestimated.en_GB
dc.description.sponsorshipJRC.H.2-Air and Climateen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherCOPERNICUS GESELLSCHAFT MBHen_GB
dc.relation.ispartofseriesJRC89387en_GB
dc.titleTop-down estimates of European CH4 and N2O emissions based on four different inverse modelsen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.5194/acp-15-715-2015en_GB
JRC Directorate:Sustainable Resources

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