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The Global Methane ...
The Global Methane Budget 2000–2017
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- Saunois, Marielle (författare)
- University of Paris-Saclay,Univ Paris Saclay, France
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- R. Stavert, Ann (författare)
- CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia
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- Poulter, Ben (författare)
- NASA Goddard Space Flight Center,NASA, MD 20771 USA
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visa fler...
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- Bousquet, Philippe (författare)
- University of Paris-Saclay,Univ Paris Saclay, France
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- G. Canadell, Josep (författare)
- CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia
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- B. Jackson, Robert (författare)
- Stanford University,Stanford Univ, CA 94305 USA
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- A. Raymond, Peter (författare)
- Yale University,Yale Univ, CT 06511 USA
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- J. Dlugokencky, Edward (författare)
- National Oceanic and Atmospheric Administration: Earth System Research Laboratory (ESRL),NOAA, CO 80305 USA
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- Houweling, Sander (författare)
- Vrije Universiteit Amsterdam,National Instiute for Space Research,SRON Netherlands Inst Space Res, Netherlands; Vrije Univ Amsterdam, Netherlands
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- K. Patra, Prabir (författare)
- Chiba University,Japan Agency for Marine-Earth Science and Technology,JAMSTEC, Japan; Chiba Univ, Japan
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- Ciais, Philippe (författare)
- University of Paris-Saclay,Univ Paris Saclay, France
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- K. Arora, Vivek (författare)
- Environment Canada,Environm & Climate Change Canada, Canada
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- Bastviken, David (författare)
- Linköpings universitet,Linköping University,Tema Miljöförändring,Filosofiska fakulteten
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- Bergamaschi, Peter (författare)
- European Commission Joint Research Centre, Brussels,European Commiss Joint Res Ctr, Italy
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- R. Blake, Donald (författare)
- University of California, Irvine,Univ Calif Irvine, CA 92697 USA
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- Brailsford, Gordon (författare)
- National Institute of Water and Atmospheric Research, New Zealand,Natl Inst Water & Atmospher Res, New Zealand
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- Bruhwiler, Lori (författare)
- National Oceanic and Atmospheric Administration: Earth System Research Laboratory (ESRL),NOAA, CO 80305 USA
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- M. Carlson, Kimberly (författare)
- New York University,University of Hawaii Cancer Center,NYU, NY 10003 USA; Univ Hawaii, HI 96822 USA
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- Carrol, Mark (författare)
- NASA Goddard Space Flight Center,NASA, MD 20771 USA
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- Castaldi, Simona (författare)
- Euro-Mediterranean Center on Climate Change,RUDN University,Second University of Napels,Univ Campania Luigi Vanvitelli, Italy; RUDN Univ, Russia; Ctr Euro Mediterraneo Cambiamenti Climat, Italy
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- Chandra, Naveen (författare)
- Japan Agency for Marine-Earth Science and Technology,JAMSTEC, Japan
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- Crevoisier, Cyril (författare)
- École Polytechnique,City College of New York,Ecole Polytech, France,CUNY City Coll, NY 10031 USA
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- Crill, Patrick (författare)
- Stockholms universitet,Stockholm University,Institutionen för geologiska vetenskaper,Stockholm Univ, Sweden
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- Covey, Kristofer (författare)
- Skidmore College,Skidmore Coll, NY 12866 USA
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- L. Curry, Charles (författare)
- University of Victoria,Purdue University,Univ Victoria, Canada,Purdue Univ, IN 47907 USA
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- Etiope, Giuseppe (författare)
- Babes Bolyai University,Istituto Nazionale di Geofisica e Vulcanologia,Ist Nazl Geofis & Vulcanol, Italy; Babes Bolyai Univ, Romania
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- Frankenberg, Christian (författare)
- California Institute of Technology,CALTECH, CA 91125 USA
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- Gedney, Nicola (författare)
- Met Office,Met Off Hadley Ctr, England
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- I. Hegglin, Michaela (författare)
- University of Reading,Univ Reading, England
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- Höglund-Isaksson, Lena (författare)
- International Institute for Applied Systems Analysis,Int Inst Appl Syst Anal IIASA, Austria
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- Hugelius, Gustaf (författare)
- Stockholms universitet,Stockholm University,Institutionen för naturgeografi,Stockholm Univ, Sweden
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- Ishizawa, Misa (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- Ito, Akihiko (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- Janssens-Maenhout, Greet (författare)
- European Commission Joint Research Centre, Brussels,European Commiss Joint Res Ctr, Italy
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- M. Jensen, Katherine (författare)
- City College of New York,CUNY City Coll, NY 10031 USA
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- Joos, Fortunat (författare)
- University of Bern,Univ Bern, Switzerland
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- Kleinen, Thomas (författare)
- Max Planck Institute for Meteorology,Max Planck Inst Meteorol, Germany
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- B. Krummel, Paul (författare)
- CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia
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- L. Langenfelds, Ray (författare)
- CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia
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- G. Laruelle, Goulven (författare)
- Université Libre de Bruxelles (ULB),Univ Libre Bruxelles, Belgium
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- Liu, Licheng (författare)
- Purdue University,CSIRO Oceans and Atmosphere, Canberra,CSIRO Oceans & Atmosphere, Australia
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- MacHida, Toshinobu (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- Maksyutov, Shamil (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- C. McDonald, Kyle (författare)
- City College of New York
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- McNorton, Joe (författare)
- European Centre for Medium-range Weather Forecasts,European Ctr Medium Range Weather Forecasts, England
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- A. Miller, Paul (författare)
- 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, Sweden
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- R. Melton, Joe (författare)
- Environment Canada,Environm & Climate Change Canada, Canada
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- Morino, Isamu (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- Müller, Jurek (författare)
- University of Bern,Univ Bern, Switzerland
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- Murguia-Flores, Fabiola (författare)
- University of Bristol,Univ Bristol, England
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- Naik, Vaishali (författare)
- National Oceanic and Atmospheric Administration: Earth System Research Laboratory (ESRL),NOAA, NJ 08540 USA
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- Niwa, Yosuke (författare)
- Meteorological Research Institute (MRI), Japan,National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan; Meteorol Res Inst MRI, Japan
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- Noce, Sergio (författare)
- Euro-Mediterranean Center on Climate Change,Ctr Euro Mediterraneo Cambiamenti Climat, Italy
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- O'Doherty, Simon (författare)
- University of Bristol,Univ Bristol, England
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- J. Parker, Robert (författare)
- University of Leicester,Univ Leicester, England
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- Peng, Changhui (författare)
- University Of Quebec In Montreal,Univ Quebec Montreal, Canada
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- Peng, Shushi (författare)
- Peking University,Peking Univ, Peoples R China
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- P. Peters, Glen (författare)
- CICERO Center for International Climate Research,CICERO Ctr Int Climate Res, Norway
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- Prigent, Catherine (författare)
- Paris Observatory,Sorbonne Univ, France
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- Prinn, Ronald (författare)
- Massachusetts Institute of Technology,MIT, MA 02139 USA
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- Ramonet, Michel (författare)
- University of Paris-Saclay,Univ Paris Saclay, France
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- Regnier, Pierre (författare)
- Université Libre de Bruxelles (ULB),Univ Libre Bruxelles, Belgium
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- J. Riley, William (författare)
- Lawrence Berkeley National Laboratory,Lawrence Berkeley Natl Lab, CA 94720 USA
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- A. Rosentreter, Judith (författare)
- Southern Cross University,Southern Cross Univ, Australia
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- Segers, Arjo (författare)
- Netherlands Organisation for Applied Scientific Research (Utrecht),TNO, Netherlands
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- J. Simpson, Isobel (författare)
- University of California, Irvine,Univ Calif Irvine, CA 92697 USA
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- Shi, Hao (författare)
- Auburn University,Auburn Univ, AL 36849 USA
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- J. Smith, Steven (författare)
- Pacific Northwest National Laboratory,University of Maryland,Pacific Northwest Natl Lab, MD 20740 USA; Univ Maryland, MD 20740 USA
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- Paul Steele, L. (författare)
- CSIRO Oceans and Atmosphere, Canberra
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- Thornton, Brett F. (författare)
- Stockholms universitet,Stockholm University,Institutionen för geologiska vetenskaper,Stockholm Univ, Sweden
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- Tian, Hanqin (författare)
- Auburn University,Auburn Univ, AL 36849 USA
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- Tohjima, Yasunori (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- N. Tubiello, Francesco (författare)
- Food and Agriculture Organization of the United Nations,UN FAO, Italy
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- Tsuruta, Aki (författare)
- Finnish Meteorological Institute,Finnish Meteorol Inst, Finland
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- Viovy, Nicolas (författare)
- University of Paris-Saclay,Univ Paris Saclay, France
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- Voulgarakis, Apostolos (författare)
- Technical University of Crete,Imperial College London,Imperial Coll London, England; Tech Univ Crete, Greece
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- S. Weber, Thomas (författare)
- University of Rochester,Univ Rochester, NY 14627 USA
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- Van Weele, Michiel (författare)
- Royal Netherlands Meteorological Institute,KNMI, Netherlands
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- R. Van Der Werf, Guido (författare)
- Vrije Universiteit Amsterdam,Vrije Univ Amsterdam, Netherlands
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- F. Weiss, Ray (författare)
- University of California, San Diego,Univ Calif San Diego, CA 92093 USA
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- Worthy, Doug (författare)
- Environment Canada,Environm & Climate Change Canada, Canada
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- Wunch, Debra (författare)
- University of Toronto,Univ Toronto, Canada
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- Yin, Yi (författare)
- University of Paris-Saclay,California Institute of Technology,Univ Paris Saclay, France; CALTECH, CA 91125 USA
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- Yoshida, Yukio (författare)
- National Institute for Environmental Studies of Japan,Natl Inst Environm Studies NIES, Japan
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- Zhang, Wenxin (författare)
- 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, Sweden
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- Zhang, Zhen (författare)
- University of Maryland,University of Paris-Saclay,Univ Maryland, MD 20740 USA,Univ Paris Saclay, France
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- Zhao, Yuanhong (författare)
- University of Paris-Saclay,Univ Paris Saclay, France
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- Zheng, Bo (författare)
- University of Paris-Saclay
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- Zhu, Qing (författare)
- Lawrence Berkeley National Laboratory,Lawrence Berkeley Natl Lab, CA 94720 USA
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- Zhu, Qiuan (författare)
- Hohai University,Hohai Univ, Peoples R China
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- Zhuang, Qianlai (författare)
- Purdue University,Purdue Univ, IN 47907 USA
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(creator_code:org_t)
- 2020-07-15
- 2020
- Engelska 63 s.
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Ingår i: Earth System Science Data. - : Copernicus GmbH. - 1866-3516 .- 1866-3508. ; 12:3, s. 1561-1623
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://essd.coperni...
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https://doi.org/10.5...
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https://liu.diva-por... (primary) (Raw object)
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https://lup.lub.lu.s...
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https://doi.org/10.5...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- Methane Emission
- methane budget
- climate change
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Till lärosätets databas
- Av författaren/redakt...
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Saunois, Mariell ...
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R. Stavert, Ann
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Poulter, Ben
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Bousquet, Philip ...
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G. Canadell, Jos ...
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B. Jackson, Robe ...
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visa fler...
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A. Raymond, Pete ...
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J. Dlugokencky, ...
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Houweling, Sande ...
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K. Patra, Prabir
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Ciais, Philippe
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K. Arora, Vivek
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Bastviken, David
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Bergamaschi, Pet ...
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R. Blake, Donald
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Brailsford, Gord ...
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Bruhwiler, Lori
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M. Carlson, Kimb ...
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Carrol, Mark
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Castaldi, Simona
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Chandra, Naveen
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Crevoisier, Cyri ...
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Crill, Patrick
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Covey, Kristofer
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L. Curry, Charle ...
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Etiope, Giuseppe
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Frankenberg, Chr ...
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Gedney, Nicola
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I. Hegglin, Mich ...
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Höglund-Isaksson ...
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Hugelius, Gustaf
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Ishizawa, Misa
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Ito, Akihiko
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Janssens-Maenhou ...
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M. Jensen, Kathe ...
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Joos, Fortunat
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Kleinen, Thomas
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B. Krummel, Paul
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L. Langenfelds, ...
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G. Laruelle, Gou ...
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Liu, Licheng
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MacHida, Toshino ...
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Maksyutov, Shami ...
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C. McDonald, Kyl ...
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McNorton, Joe
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A. Miller, Paul
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R. Melton, Joe
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Morino, Isamu
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Müller, Jurek
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Murguia-Flores, ...
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Naik, Vaishali
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Niwa, Yosuke
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Noce, Sergio
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O'Doherty, Simon
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J. Parker, Rober ...
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Peng, Changhui
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Peng, Shushi
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P. Peters, Glen
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Prigent, Catheri ...
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Prinn, Ronald
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Ramonet, Michel
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Regnier, Pierre
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J. Riley, Willia ...
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A. Rosentreter, ...
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Segers, Arjo
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J. Simpson, Isob ...
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Shi, Hao
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J. Smith, Steven
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Paul Steele, L.
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Thornton, Brett ...
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Tian, Hanqin
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Tohjima, Yasunor ...
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N. Tubiello, Fra ...
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Tsuruta, Aki
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Viovy, Nicolas
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Voulgarakis, Apo ...
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S. Weber, Thomas
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Van Weele, Michi ...
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R. Van Der Werf, ...
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F. Weiss, Ray
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Worthy, Doug
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Wunch, Debra
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Yin, Yi
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Yoshida, Yukio
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Zhang, Wenxin
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Zhang, Zhen
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Zhao, Yuanhong
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Zheng, Bo
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Zhu, Qing
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Zhu, Qiuan
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Zhuang, Qianlai
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NATURVETENSKAP
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