Articles | Volume 22, issue 1
https://doi.org/10.5194/bg-22-305-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-305-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
| 
15 Jan 2025
Research article | Highlight paper |
| 15 Jan 2025
| 15 Jan 2025
Ensemble estimates of global wetland methane emissions over 2000–2020
National Tibetan Plateau Data Center (TPDC), State Key Laboratory of Tibetan Plateau Earth System, Environment and Resource (TPESER), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China
Benjamin Poulter
NASA Goddard Space Flight Center, Earth Sciences Division, Greenbelt, MD, USA
Joe R. Melton
Climate Research Division, Environment and Climate Change Canada, Victoria, BC, Canada
William J. Riley
Climate and Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
George H. Allen
Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
David J. Beerling
Leverhulme Centre for Climate Change Mitigation, School of Biosciences, University of Sheffield, Sheffield, UK
Philippe Bousquet
Laboratoire des Sciences du Climat et de l'Environnement, CEA, CNRS, UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Josep G. Canadell
Global Carbon Project, CSIRO Environment, ACT 2601, Australia
Etienne Fluet-Chouinard
Earth Systems Science Division, Pacific Northwest National Laboratory, Richland, WA 99352, USA
Philippe Ciais
Laboratoire des Sciences du Climat et de l'Environnement, CEA, CNRS, UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Nicola Gedney
Met Office Hadley Centre, Joint Centre for Hydrometeorological Research, Wallingford, UK
Peter O. Hopcroft
School of Geography, Earth & Environmental Sciences, University of Birmingham, Birmingham, UK
Akihiko Ito
Graduate School of Agricultural and Life Sciences, the University of Tokyo, Tokyo, Japan
Robert B. Jackson
Department of Earth System Science, Woods Institute for the Environment, and Precourt Institute for Energy, Stanford University, Stanford, CA 94305–2210, USA
Atul K. Jain
Department of Atmospheric Sciences, University of Illinois, Urbana, IL 61821, USA
Katherine Jensen
Department of Earth and Atmospheric Sciences, City College of New York, City University of New York, NY, USA
Fortunat Joos
Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
Thomas Kleinen
Department of Climate Dynamics, Max Planck Institute for Meteorology, Hamburg, Germany
Sara H. Knox
Department of Geography, University of British Columbia, Vancouver, BC, Canada
Department of Geography, McGill University, Montreal, QC, Canada
Tingting Li
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China
Xin Li
National Tibetan Plateau Data Center (TPDC), State Key Laboratory of Tibetan Plateau Earth System, Environment and Resource (TPESER), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China
Xiangyu Liu
Department of Earth, Atmospheric, Planetary Sciences, Purdue University, West Lafayette, IN, USA
Kyle McDonald
Department of Earth and Atmospheric Sciences, City College of New York, City University of New York, NY, USA
Gavin McNicol
Department of Atmospheric Sciences, University of Illinois, Chicago, IL, USA
Paul A. Miller
Department of Physical Geography and Ecosystem Science, Lund University, Sölvegatan 12, 223 62, Lund, Sweden
Jurek Müller
Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
Prabir K. Patra
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan
Research Institute for Humanity and Nature (RIHN), Kyoto, Japan
Changhui Peng
Department of Biology Sciences, University of Quebec in Montreal, C.P. 8888, Succ. Centre-Ville, Montreal, QC H3C 3P8, Canada
Shushi Peng
Sino-French Institute for Earth System Science, Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
Zhangcai Qin
School of Atmospheric Sciences, Sun-Yat-Sen University, and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China
Ryan M. Riggs
Department of Geography, Texas A&M University, College Station, TX, USA
Marielle Saunois
Laboratoire des Sciences du Climat et de l'Environnement, CEA, CNRS, UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
Hanqin Tian
Center for Earth System Science and Global Sustainability, Schiller Institute for Integrated Science and Society, Department of Earth and Environmental Sciences, Boston College, Chestnut Hill, MA 02467, USA
Xiaoming Xu
Department of Atmospheric Sciences, University of Illinois, Urbana, IL 61821, USA
Yuanzhi Yao
School of Geographic Sciences, East China Normal University, Shanghai, China
Sino-French Institute for Earth System Science, Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
Wenxin Zhang
Department of Physical Geography and Ecosystem Science, Lund University, Sölvegatan 12, 223 62, Lund, Sweden
School of Geographical and Earth Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
Qing Zhu
Climate and Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
Qiuan Zhu
College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
Qianlai Zhuang
Department of Earth, Atmospheric, Planetary Sciences, Purdue University, West Lafayette, IN, USA
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Co-editor-in-chief
This paper provides a critical evaluation of decadal trends in wetland methane emissions, offering robust insights into how climate change is driving increases in this potent greenhouse gas. By utilizing an ensemble of sixteen models alongside ground-based measurements, the paper provides a robust quantification of emission trends and associated uncertainties. As an international collaboration, this work contributes a comprehensive analysis that not only quantifies recent trends but also identifies temperature as the primary driver, offering essential information for predicting and managing future methane feedbacks.
This paper provides a critical evaluation of decadal trends in wetland methane emissions,...
Short summary
This study assesses global methane emissions from wetlands between 2000 and 2020 using multiple models. We found that wetland emissions increased by 6–7 Tg CH4 yr-1 in the 2010s compared to the 2000s. Rising temperatures primarily drove this increase, while changes in precipitation and CO2 levels also played roles. Our findings highlight the importance of wetlands in the global methane budget and the need for continuous monitoring to understand their impact on climate change.
This study assesses global methane emissions from wetlands between 2000 and 2020 using multiple...
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