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Regional trends and...
Regional trends and drivers of the global methane budget
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- Stavert, Ann R. (author)
- CSIRO Oceans and Atmosphere, Canberra
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- Saunois, Marielle (author)
- University of Paris-Saclay
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- Canadell, Josep G. (author)
- CSIRO Oceans and Atmosphere, Canberra
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- Poulter, Benjamin (author)
- NASA Goddard Space Flight Center
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- Jackson, Robert B. (author)
- Stanford University
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- Regnier, Pierre (author)
- Université Libre de Bruxelles (ULB)
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- Lauerwald, Ronny (author)
- University of Paris-Saclay,Université Libre de Bruxelles (ULB)
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- Raymond, Peter A. (author)
- Yale University
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- Allen, George H. (author)
- Texas A and M University
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- Patra, Prabir K. (author)
- Japan Agency for Marine-Earth Science and Technology,Chiba University
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- Bergamaschi, Peter (author)
- European Commission Joint Research Centre, Brussels
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- Bousquet, Phillipe (author)
- University of Paris-Saclay
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- Chandra, Naveen (author)
- National Institute for Environmental Studies of Japan
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- Ciais, Philippe (author)
- University of Paris-Saclay
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- Gustafson, Adrian (author)
- 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
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- Ishizawa, Misa (author)
- National Institute for Environmental Studies of Japan
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- Ito, Akihiko (author)
- National Institute for Environmental Studies of Japan
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- Kleinen, Thomas (author)
- Max Planck Institute for Meteorology
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- Maksyutov, Shamil (author)
- National Institute for Environmental Studies of Japan
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- McNorton, Joe (author)
- European Centre for Medium-range Weather Forecasts
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- Melton, Joe R. (author)
- Environment Canada
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- Müller, Jurek (author)
- University of Bern
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- Niwa, Yosuke (author)
- National Institute for Environmental Studies of Japan
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- Peng, Shushi (author)
- University of Paris-Saclay
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- Riley, William J. (author)
- Lawrence Berkeley National Laboratory
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- Segers, Arjo (author)
- Netherlands Organisation for Applied Scientific Research (Utrecht)
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- Tian, Hanqin (author)
- Auburn University
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- Tsuruta, Aki (author)
- Finnish Meteorological Institute
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- Yin, Yi (author)
- California Institute of Technology
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- Zhang, Zhen (author)
- University of Maryland
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- Zheng, Bo (author)
- University of Paris-Saclay
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- Zhuang, Qianlai (author)
- Purdue University
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(creator_code:org_t)
- 2021-10-27
- 2022
- English.
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In: Global Change Biology. - : Wiley. - 1354-1013 .- 1365-2486. ; 28:1, s. 182-200
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Abstract
Subject headings
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- The ongoing development of the Global Carbon Project (GCP) global methane (CH4) budget shows a continuation of increasing CH4 emissions and CH4 accumulation in the atmosphere during 2000–2017. Here, we decompose the global budget into 19 regions (18 land and 1 oceanic) and five key source sectors to spatially attribute the observed global trends. A comparison of top-down (TD) (atmospheric and transport model-based) and bottom-up (BU) (inventory- and process model-based) CH4 emission estimates demonstrates robust temporal trends with CH4 emissions increasing in 16 of the 19 regions. Five regions—China, Southeast Asia, USA, South Asia, and Brazil—account for >40% of the global total emissions (their anthropogenic and natural sources together totaling >270 Tg CH4 yr−1 in 2008–2017). Two of these regions, China and South Asia, emit predominantly anthropogenic emissions (>75%) and together emit more than 25% of global anthropogenic emissions. China and the Middle East show the largest increases in total emission rates over the 2000 to 2017 period with regional emissions increasing by >20%. In contrast, Europe and Korea and Japan show a steady decline in CH4 emission rates, with total emissions decreasing by ~10% between 2000 and 2017. Coal mining, waste (predominantly solid waste disposal) and livestock (especially enteric fermentation) are dominant drivers of observed emissions increases while declines appear driven by a combination of waste and fossil emission reductions. As such, together these sectors present the greatest risks of further increasing the atmospheric CH4 burden and the greatest opportunities for greenhouse gas abatement.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Keyword
- anthropogenic emissions
- bottom-up
- methane emissions
- natural emissions
- regional
- source sectors
- top-down
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Stavert, Ann R.
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Saunois, Mariell ...
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Canadell, Josep ...
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Poulter, Benjami ...
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Jackson, Robert ...
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Regnier, Pierre
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show more...
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Lauerwald, Ronny
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Raymond, Peter A ...
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Allen, George H.
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Patra, Prabir K.
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Bergamaschi, Pet ...
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Bousquet, Philli ...
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Chandra, Naveen
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Ciais, Philippe
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Gustafson, Adria ...
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Ishizawa, Misa
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Ito, Akihiko
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Kleinen, Thomas
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Maksyutov, Shami ...
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McNorton, Joe
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Melton, Joe R.
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Müller, Jurek
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Niwa, Yosuke
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Peng, Shushi
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Riley, William J ...
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Segers, Arjo
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Tian, Hanqin
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Tsuruta, Aki
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Yin, Yi
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Zhang, Zhen
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Zheng, Bo
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Zhuang, Qianlai
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Climate Research
- Articles in the publication
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Global Change Bi ...
- By the university
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Lund University