Articles | Volume 17, issue 16
https://doi.org/10.5194/bg-17-4173-2020
© Author(s) 2020. 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-17-4173-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Aug 2020
Research article |
| 18 Aug 2020
| 18 Aug 2020
Carbon–concentration and carbon–climate feedbacks in CMIP6 models and their comparison to CMIP5 models
Vivek K. Arora
CORRESPONDING AUTHOR
Canadian Centre for Climate Modelling and Analysis, Environment and Climate Change
Canada, University of Victoria, Victoria, BC, Canada
Anna Katavouta
School of Environmental Sciences, University of Liverpool, Liverpool,
UK
National Oceanography Centre, Liverpool, UK
Richard G. Williams
School of Environmental Sciences, University of Liverpool, Liverpool,
UK
Chris D. Jones
Met Office Hadley Centre, Exeter, UK
Victor Brovkin
Max Planck Institute for Meteorology, Bundesstraße 53, Hamburg, Germany
CEN, Universität Hamburg, Hamburg, Germany
Pierre Friedlingstein
College of Engineering, Mathematics and Physical Sciences, University
of Exeter, Exeter, UK
Jörg Schwinger
NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research,
Bergen, Norway
Laurent Bopp
IPSL, CNRS, Sorbonne Université, Paris, France
Olivier Boucher
IPSL, CNRS, Sorbonne Université, Paris, France
Patricia Cadule
IPSL, CNRS, Sorbonne Université, Paris, France
Matthew A. Chamberlain
CSIRO Oceans and Atmosphere, Hobart, Tasmania, Australia
James R. Christian
Canadian Centre for Climate Modelling and Analysis, Environment and Climate Change
Canada, University of Victoria, Victoria, BC, Canada
Christine Delire
CNRM, Université de Toulouse, Météo-France, CNRS,
Toulouse, France
Rosie A. Fisher
Centre Européen de Recherche et de Formation Avancée en
Calcul Scientifique, (CERFACS), Toulouse, France
Climate and Global Dynamics Laboratory, National Center for
Atmospheric Research, Boulder, Colorado, USA
Tomohiro Hajima
Research Institute for Global Change, Japan Agency for Marine-Earth
Science and Technology, Yokohama, Japan
Tatiana Ilyina
Max Planck Institute for Meteorology, Bundesstraße 53, Hamburg, Germany
Emilie Joetzjer
CNRM, Université de Toulouse, Météo-France, CNRS,
Toulouse, France
Michio Kawamiya
Research Institute for Global Change, Japan Agency for Marine-Earth
Science and Technology, Yokohama, Japan
Charles D. Koven
Climate and Ecosystem Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California, USA
John P. Krasting
NOAA Geophysical Fluid Dynamics Laboratory, Princeton, New Jersey,
USA
Rachel M. Law
CSIRO Oceans and Atmosphere, Aspendale, Victoria, Australia
David M. Lawrence
Climate and Global Dynamics Laboratory, National Center for
Atmospheric Research, Boulder, Colorado, USA
Andrew Lenton
CSIRO Oceans and Atmosphere, Hobart, Tasmania, Australia
Keith Lindsay
Climate and Global Dynamics Laboratory, National Center for
Atmospheric Research, Boulder, Colorado, USA
Julia Pongratz
Max Planck Institute for Meteorology, Bundesstraße 53, Hamburg, Germany
Ludwig Maximilian University, Department of Geography, Munich, Germany
Thomas Raddatz
Max Planck Institute for Meteorology, Bundesstraße 53, Hamburg, Germany
Roland Séférian
CNRM, Université de Toulouse, Météo-France, CNRS,
Toulouse, France
Kaoru Tachiiri
Research Institute for Global Change, Japan Agency for Marine-Earth
Science and Technology, Yokohama, Japan
Jerry F. Tjiputra
NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research,
Bergen, Norway
Andy Wiltshire
Met Office Hadley Centre, Exeter, UK
Tongwen Wu
Beijing Climate Center, China Meteorological Administration, Beijing, China
Tilo Ziehn
CSIRO Oceans and Atmosphere, Aspendale, Victoria, Australia
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Latest update: 08 Nov 2025
Short summary
Since the preindustrial period, land and ocean have taken up about half of the carbon emitted into the atmosphere by humans. Comparison of different earth system models with the carbon cycle allows us to assess how carbon uptake by land and ocean differs among models. This yields an estimate of uncertainty in our understanding of how land and ocean respond to increasing atmospheric CO2. This paper summarizes results from two such model intercomparison projects that use an idealized scenario.
Since the preindustrial period, land and ocean have taken up about half of the carbon emitted...
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