Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/15306
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dc.date.accessioned2022-02-07T09:02:23Z-
dc.date.available2022-02-07T09:02:23Z-
dc.date.issued2021-
dc.identifier.urihttp://hdl.handle.net/2122/15306-
dc.description.abstractGlobal bottom-up and top-down estimates of natural, geologic methane (CH4) emissions (average approximately 45 Tg yr–1) have recently been questioned by near-zero (approximately 1.6 Tg yr–1) estimates based on measurements of 14CH4 trapped in ice cores, which imply that current fossil fuel industries’ CH4 emissions are underestimated by 25%–40%. As we show here, such a global near-zero geologic CH4 emission estimate is incompatible with multiple independent, bottom-up emission estimates from individual natural geologic seepage areas, each of which is of the order of 0.1–3 Tg yr–1. Further research is urgently needed to resolve the conundrum before rejecting either method or associated emission estimates in global CH4 accounting.en_US
dc.language.isoEnglishen_US
dc.publisher.nameUniversity of California Pressen_US
dc.relation.ispartofELEMENTA-SCIENCE OF THE ANTHROPOCENEen_US
dc.relation.ispartofseries1/9 (2021)en_US
dc.titleConflicting estimates of natural geologic methane emissionsen_US
dc.typearticleen
dc.description.statusPublisheden_US
dc.description.pagenumber00031en_US
dc.identifier.doi10.1525/elementa.2021.00031en_US
dc.description.obiettivoSpecifico6A. Geochimica per l'ambiente e geologia medicaen_US
dc.description.journalTypeJCR Journalen_US
dc.contributor.authorThornton, Brett F.-
dc.contributor.authorEtiope, Giuseppe-
dc.contributor.authorSchwietzke, Stefan-
dc.contributor.authorMilkov, Alexei V.-
dc.contributor.authorKlusman, Ronald W-
dc.contributor.authorJudd, A-
dc.contributor.authorOehler, Dorothy Z-
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italiaen_US
item.grantfulltextopen-
item.languageiso639-1en-
item.fulltextWith Fulltext-
item.openairetypearticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptDept. of Chemistry and Geochemistry, Colorado School of Mines, Golden, Co., 80401, United States-
crisitem.author.orcid0000-0001-8614-4221-
crisitem.author.orcid0000-0002-1836-8968-
crisitem.author.orcid0000-0002-1082-4674-
crisitem.author.orcid0000-0003-3625-2667-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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