Sökning: WFRF:(ODoherty J.) > The Global Methane ...
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000 | 18312naa a2201585 4500 | |
001 | oai:lup.lub.lu.se:3905f1f0-ec3a-4dba-b95f-403cd73f8860 | |
003 | SwePub | |
008 | 200810s2020 | |||||||||||000 ||eng| | |
009 | oai:DiVA.org:su-184470 | |
009 | oai:DiVA.org:liu-168290 | |
024 | 7 | a https://lup.lub.lu.se/record/3905f1f0-ec3a-4dba-b95f-403cd73f88602 URI |
024 | 7 | a https://doi.org/10.5194/essd-12-1561-20202 DOI |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1844702 URI |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1682902 URI |
040 | a (SwePub)lud (SwePub)sud (SwePub)liu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Saunois, Marielleu University of Paris-Saclay,Univ Paris Saclay, France4 aut |
245 | 1 0 | a The Global Methane Budget 2000–2017 |
264 | c 2020-07-15 | |
264 | 1 | b Copernicus GmbH,c 2020 |
300 | a 63 s. | |
500 | a Funding Agencies|FAO | |
520 | a Understanding and quantifying the global methane (CH4) budget is important for assessing realistic pathways to mitigate climate change. Atmospheric emissions and concentrations of CH4 continue to increase, making CH4 the second most important human-influenced greenhouse gas in terms of climate forcing, after carbon dioxide (CO2). The relative importance of CH4 compared to CO2 depends on its shorter atmospheric lifetime, stronger warming potential, and variations in atmospheric growth rate over the past decade, the causes of which are still debated. Two major challenges in reducing uncertainties in the atmospheric growth rate arise from the variety of geographically overlapping CH4 sources and from the destruction of CH4 by short-lived hydroxyl radicals (OH). To address these challenges, we have established a consortium of multidisciplinary scientists under the umbrella of the Global Carbon Project to synthesize and stimulate new research aimed at improving and regularly updating the global methane budget. Following Saunois et al. (2016), we present here the second version of the living review paper dedicated to the decadal methane budget, integrating results of top-down studies (atmospheric observations within an atmospheric inverse-modelling framework) and bottom-up estimates (including process-based models for estimating land surface emissions and atmospheric chemistry, inventories of anthropogenic emissions, and data-driven extrapolations).For the 2008–2017 decade, global methane emissions are estimated by atmospheric inversions (a top-down approach) to be 576 Tg CH4 yr−1 (range 550–594, corresponding to the minimum and maximum estimates of the model ensemble). Of this total, 359 Tg CH4 yr−1 or ∼ 60 % is attributed to anthropogenic sources, that is emissions caused by direct human activity (i.e. anthropogenic emissions; range 336–376 Tg CH4 yr−1 or 50 %–65 %). The mean annual total emission for the new decade (2008–2017) is 29 Tg CH4 yr−1 larger than our estimate for the previous decade (2000–2009), and 24 Tg CH4 yr−1 larger than the one reported in the previous budget for 2003–2012 (Saunois et al., 2016). Since 2012, global CH4 emissions have been tracking the warmest scenarios assessed by the Intergovernmental Panel on Climate Change. Bottom-up methods suggest almost 30 % larger global emissions (737 Tg CH4 yr−1, range 594–881) than top-down inversion methods. Indeed, bottom-up estimates for natural sources such as natural wetlands, other inland water systems, and geological sources are higher than top-down estimates. The atmospheric constraints on the top-down budget suggest that at least some of these bottom-up emissions are overestimated. The latitudinal distribution of atmospheric observation-based emissions indicates a predominance of tropical emissions (∼ 65 % of the global budget, < 30∘ N) compared to mid-latitudes (∼ 30 %, 30–60∘ N) and high northern latitudes (∼ 4 %, 60–90∘ N). The most important source of uncertainty in the methane budget is attributable to natural emissions, especially those from wetlands and other inland waters.Some of our global source estimates are smaller than those in previously published budgets (Saunois et al., 2016; Kirschke et al., 2013). In particular wetland emissions are about 35 Tg CH4 yr−1 lower due to improved partition wetlands and other inland waters. Emissions from geological sources and wild animals are also found to be smaller by 7 Tg CH4 yr−1 by 8 Tg CH4 yr−1, respectively. However, the overall discrepancy between bottom-up and top-down estimates has been reduced by only 5 % compared to Saunois et al. (2016), due to a higher estimate of emissions from inland waters, highlighting the need for more detailed research on emissions factors. Priorities for improving the methane budget include (i) a global, high-resolution map of water-saturated soils and inundated areas emitting methane based on a robust classification of different types of emitting habitats; (ii) further development of process-based models for inland-water emissions; (iii) intensification of methane observations at local scales (e.g., FLUXNET-CH4 measurements) and urban-scale monitoring to constrain bottom-up land surface models, and at regional scales (surface networks and satellites) to constrain atmospheric inversions; (iv) improvements of transport models and the representation of photochemical sinks in top-down inversions; and (v) development of a 3D variational inversion system using isotopic and/or co-emitted species such as ethane to improve source partitioning.The data presented here can be downloaded from https://doi.org/10.18160/GCP-CH4-2019 (Saunois et al., 2020) and from the Global Carbon Project. | |
650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskapx Naturgeografi0 (SwePub)105072 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Physical Geography0 (SwePub)105072 hsv//eng |
650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskapx Klimatforskning0 (SwePub)105012 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Climate Research0 (SwePub)105012 hsv//eng |
650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng |
653 | a Methane Emission | |
653 | a methane budget | |
653 | a climate change | |
700 | 1 | a R. Stavert, Annu CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia4 aut |
700 | 1 | a Poulter, Benu NASA Goddard Space Flight Center,NASA, MD 20771 USA4 aut |
700 | 1 | a Bousquet, Philippeu University of Paris-Saclay,Univ Paris Saclay, France4 aut |
700 | 1 | a G. Canadell, Josepu CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia4 aut |
700 | 1 | a B. Jackson, Robertu Stanford University,Stanford Univ, CA 94305 USA4 aut |
700 | 1 | a A. Raymond, Peteru Yale University,Yale Univ, CT 06511 USA4 aut |
700 | 1 | a J. Dlugokencky, Edwardu National Oceanic and Atmospheric Administration: Earth System Research Laboratory (ESRL),NOAA, CO 80305 USA4 aut |
700 | 1 | a Houweling, Sanderu National Instiute for Space Research,Vrije Universiteit Amsterdam,SRON Netherlands Inst Space Res, Netherlands; Vrije Univ Amsterdam, Netherlands4 aut |
700 | 1 | a K. Patra, Prabiru Japan Agency for Marine-Earth Science and Technology,Chiba University,JAMSTEC, Japan; Chiba Univ, Japan4 aut |
700 | 1 | a Ciais, Philippeu University of Paris-Saclay,Univ Paris Saclay, France4 aut |
700 | 1 | a K. Arora, Viveku Environment Canada,Environm & Climate Change Canada, Canada4 aut |
700 | 1 | a Bastviken, Davidu Linköpings universitet,Linköping University,Tema Miljöförändring,Filosofiska fakulteten4 aut0 (Swepub:liu)davba48 |
700 | 1 | a Bergamaschi, Peteru European Commission Joint Research Centre, Brussels,European Commiss Joint Res Ctr, Italy4 aut |
700 | 1 | a R. Blake, Donaldu University of California, Irvine,Univ Calif Irvine, CA 92697 USA4 aut |
700 | 1 | a Brailsford, Gordonu National Institute of Water and Atmospheric Research, New Zealand,Natl Inst Water & Atmospher Res, New Zealand4 aut |
700 | 1 | a Bruhwiler, Loriu National Oceanic and Atmospheric Administration: Earth System Research Laboratory (ESRL),NOAA, CO 80305 USA4 aut |
700 | 1 | a M. Carlson, Kimberlyu University of Hawaii Cancer Center,New York University,NYU, NY 10003 USA; Univ Hawaii, HI 96822 USA4 aut |
700 | 1 | a Carrol, Marku NASA Goddard Space Flight Center,NASA, MD 20771 USA4 aut |
700 | 1 | a Castaldi, Simonau RUDN University,University of Campania Luigi Vanvitelli,Euro-Mediterranean Center on Climate Change,Univ Campania Luigi Vanvitelli, Italy; RUDN Univ, Russia; Ctr Euro Mediterraneo Cambiamenti Climat, Italy4 aut |
700 | 1 | a Chandra, Naveenu Japan Agency for Marine-Earth Science and Technology,JAMSTEC, Japan4 aut |
700 | 1 | a Crevoisier, Cyrilu École Polytechnique,City College of New York,Ecole Polytech, France,CUNY City Coll, NY 10031 USA4 aut |
700 | 1 | a Crill, Patricku Stockholms universitet,Stockholm University,Institutionen för geologiska vetenskaper,Stockholm Univ, Sweden4 aut0 (Swepub:su)pcril |
700 | 1 | a Covey, Kristoferu Skidmore College,Skidmore Coll, NY 12866 USA4 aut |
700 | 1 | a L. Curry, Charlesu University of Victoria,Purdue University,Univ Victoria, Canada,Purdue Univ, IN 47907 USA4 aut |
700 | 1 | a Etiope, Giuseppeu Istituto Nazionale di Geofisica e Vulcanologia,Babes Bolyai University,Ist Nazl Geofis & Vulcanol, Italy; Babes Bolyai Univ, Romania4 aut |
700 | 1 | a Frankenberg, Christianu California Institute of Technology,CALTECH, CA 91125 USA4 aut |
700 | 1 | a Gedney, Nicolau Met Office,Met Off Hadley Ctr, England4 aut |
700 | 1 | a I. Hegglin, Michaelau University of Reading,Univ Reading, England4 aut |
700 | 1 | a Höglund-Isaksson, Lenau International Institute for Applied Systems Analysis,Int Inst Appl Syst Anal IIASA, Austria4 aut |
700 | 1 | a Hugelius, Gustafu Stockholms universitet,Stockholm University,Institutionen för naturgeografi,Stockholm Univ, Sweden4 aut0 (Swepub:su)chuge |
700 | 1 | a Ishizawa, Misau National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a Ito, Akihikou National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a Janssens-Maenhout, Greetu European Commission Joint Research Centre, Brussels,European Commiss Joint Res Ctr, Italy4 aut |
700 | 1 | a M. Jensen, Katherineu City College of New York,CUNY City Coll, NY 10031 USA4 aut |
700 | 1 | a Joos, Fortunatu University of Bern,Univ Bern, Switzerland4 aut |
700 | 1 | a Kleinen, Thomasu Max Planck Institute for Meteorology,Max Planck Inst Meteorol, Germany4 aut |
700 | 1 | a B. Krummel, Paulu CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia4 aut |
700 | 1 | a L. Langenfelds, Rayu CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia4 aut |
700 | 1 | a G. Laruelle, Goulvenu Université Libre de Bruxelles (ULB),Univ Libre Bruxelles, Belgium4 aut |
700 | 1 | a Liu, Lichengu Purdue University,CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia4 aut |
700 | 1 | a MacHida, Toshinobuu National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a Maksyutov, Shamilu National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a C. McDonald, Kyleu City College of New York4 aut |
700 | 1 | a McNorton, Joeu European Centre for Medium-range Weather Forecasts,European Ctr Medium Range Weather Forecasts, England4 aut |
700 | 1 | a A. Miller, Paulu Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,MERGE: ModElling the Regional and Global Earth system,Centre for Environmental and Climate Science (CEC),Faculty of Science,Lund Univ, Sweden4 aut0 (Swepub:lu)nate-pum |
700 | 1 | a R. Melton, Joeu Environment Canada,Environm & Climate Change Canada, Canada4 aut |
700 | 1 | a Morino, Isamuu National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a Müller, Jureku University of Bern,Univ Bern, Switzerland4 aut |
700 | 1 | a Murguia-Flores, Fabiolau University of Bristol,Univ Bristol, England4 aut |
700 | 1 | a Naik, Vaishaliu National Oceanic and Atmospheric Administration: Earth System Research Laboratory (ESRL),NOAA, NJ 08540 USA4 aut |
700 | 1 | a Niwa, Yosukeu Meteorological Research Institute (MRI), Japan,National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan; Meteorol Res Inst MRI, Japan4 aut |
700 | 1 | a Noce, Sergiou Euro-Mediterranean Center on Climate Change,Ctr Euro Mediterraneo Cambiamenti Climat, Italy4 aut |
700 | 1 | a O'Doherty, Simonu University of Bristol,Univ Bristol, England4 aut |
700 | 1 | a J. Parker, Robertu University of Leicester,Univ Leicester, England4 aut |
700 | 1 | a Peng, Changhuiu University Of Quebec In Montreal,Univ Quebec Montreal, Canada4 aut |
700 | 1 | a Peng, Shushiu Peking University,Peking Univ, Peoples R China4 aut |
700 | 1 | a P. Peters, Glenu CICERO Center for International Climate Research,CICERO Ctr Int Climate Res, Norway4 aut |
700 | 1 | a Prigent, Catherineu Paris Observatory,Sorbonne Univ, France4 aut |
700 | 1 | a Prinn, Ronaldu Massachusetts Institute of Technology,MIT, MA 02139 USA4 aut |
700 | 1 | a Ramonet, Michelu University of Paris-Saclay,Univ Paris Saclay, France4 aut |
700 | 1 | a Regnier, Pierreu Université Libre de Bruxelles (ULB),Univ Libre Bruxelles, Belgium4 aut |
700 | 1 | a J. Riley, Williamu Lawrence Berkeley National Laboratory,Lawrence Berkeley Natl Lab, CA 94720 USA4 aut |
700 | 1 | a A. Rosentreter, Judithu Southern Cross University,Southern Cross Univ, Australia4 aut |
700 | 1 | a Segers, Arjou Netherlands Organisation for Applied Scientific Research (Utrecht),TNO, Netherlands4 aut |
700 | 1 | a J. Simpson, Isobelu University of California, Irvine,Univ Calif Irvine, CA 92697 USA4 aut |
700 | 1 | a Shi, Haou Auburn University,Auburn Univ, AL 36849 USA4 aut |
700 | 1 | a J. Smith, Stevenu Pacific Northwest National Laboratory,University of Maryland,Pacific Northwest Natl Lab, MD 20740 USA; Univ Maryland, MD 20740 USA4 aut |
700 | 1 | a Paul Steele, L.u CSIRO Oceans and Atmosphere, Canberra4 aut |
700 | 1 | a Thornton, Brett F.u Stockholms universitet,Stockholm University,Institutionen för geologiska vetenskaper,Stockholm Univ, Sweden4 aut0 (Swepub:su)brtho |
700 | 1 | a Tian, Hanqinu Auburn University,Auburn Univ, AL 36849 USA4 aut |
700 | 1 | a Tohjima, Yasunoriu National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a N. Tubiello, Francescou Food and Agriculture Organization of the United Nations,UN FAO, Italy4 aut |
700 | 1 | a Tsuruta, Akiu Finnish Meteorological Institute,Finnish Meteorol Inst, Finland4 aut |
700 | 1 | a Viovy, Nicolasu University of Paris-Saclay,Univ Paris Saclay, France4 aut |
700 | 1 | a Voulgarakis, Apostolosu Imperial College London,Technical University of Crete,Imperial Coll London, England; Tech Univ Crete, Greece4 aut |
700 | 1 | a S. Weber, Thomasu University of Rochester,Univ Rochester, NY 14627 USA4 aut |
700 | 1 | a Van Weele, Michielu Royal Netherlands Meteorological Institute,KNMI, Netherlands4 aut |
700 | 1 | a R. Van Der Werf, Guidou Vrije Universiteit Amsterdam,Vrije Univ Amsterdam, Netherlands4 aut |
700 | 1 | a F. Weiss, Rayu University of California, San Diego,Univ Calif San Diego, CA 92093 USA4 aut |
700 | 1 | a Worthy, Dougu Environment Canada,Environm & Climate Change Canada, Canada4 aut |
700 | 1 | a Wunch, Debrau University of Toronto,Univ Toronto, Canada4 aut |
700 | 1 | a Yin, Yiu California Institute of Technology,University of Paris-Saclay,Univ Paris Saclay, France; CALTECH, CA 91125 USA4 aut |
700 | 1 | a Yoshida, Yukiou National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan4 aut |
700 | 1 | a Zhang, Wenxinu Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,MERGE: ModElling the Regional and Global Earth system,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,Lund Univ, Sweden4 aut0 (Swepub:lu)we4544zh |
700 | 1 | a Zhang, Zhenu University of Maryland,University of Paris-Saclay,Univ Maryland, MD 20740 USA,Univ Paris Saclay, France4 aut |
700 | 1 | a Zhao, Yuanhongu University of Paris-Saclay,Univ Paris Saclay, France4 aut |
700 | 1 | a Zheng, Bou University of Paris-Saclay4 aut |
700 | 1 | a Zhu, Qingu Lawrence Berkeley National Laboratory,Lawrence Berkeley Natl Lab, CA 94720 USA4 aut |
700 | 1 | a Zhu, Qiuanu Hohai University,Hohai Univ, Peoples R China4 aut |
700 | 1 | a Zhuang, Qianlaiu Purdue University,Purdue Univ, IN 47907 USA4 aut |
710 | 2 | a University of Paris-Saclayb Univ Paris Saclay, France4 org |
773 | 0 | t Earth System Science Datad : Copernicus GmbHg 12:3, s. 1561-1623q 12:3<1561-1623x 1866-3516x 1866-3508 |
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856 | 4 | u https://essd.copernicus.org/articles/12/1561/2020/essd-12-1561-2020.pdf |
856 | 4 | u https://doi.org/10.5194/essd-12-1561-2020y Fulltext |
856 | 4 | u https://liu.diva-portal.org/smash/get/diva2:1459517/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
856 | 4 8 | u https://lup.lub.lu.se/record/3905f1f0-ec3a-4dba-b95f-403cd73f8860 |
856 | 4 8 | u https://doi.org/10.5194/essd-12-1561-2020 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-184470 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-168290 |
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