Articles | Volume 14, issue 6
https://doi.org/10.5194/esd-14-1295-2023
https://doi.org/10.5194/esd-14-1295-2023
Research article
 | 
13 Dec 2023
Research article |  | 13 Dec 2023

Scenario choice impacts carbon allocation projection at global warming levels

Lee de Mora, Ranjini Swaminathan, Richard P. Allan, Jerry C. Blackford, Douglas I. Kelley, Phil Harris, Chris D. Jones, Colin G. Jones, Spencer Liddicoat, Robert J. Parker, Tristan Quaife, Jeremy Walton, and Andrew Yool

Model code and software

ESMValTool: Scenario Choice Impacts Carbon Allocation Projection at Global Warming Levels ESMValTool repository & co-authors https://zenodo.org/record/8335060

Video abstract

Scenario Choice Impacts Carbon Allocation Projection at Global Warming Levels - Video Abstract Lee de Mora, Ranjini Swaminathan, Richard P. Allan, Jerry C. Blackford, Douglas I. Kelley, Phil Harris, Chris D. Jones, Colin G. Jones, Spencer Liddicoat, Robert J. Parker, Tristan Quaife, Jeremy Walton, and Andrew Yool https://doi.org/10.5446/63240

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Short summary
We investigate the flux of carbon from the atmosphere into the land surface and ocean for multiple models and over a range of future scenarios. We did this by comparing simulations after the same change in the global-mean near-surface temperature. Using this method, we show that the choice of scenario can impact the carbon allocation to the land, ocean, and atmosphere. Scenarios with higher emissions reach the same warming levels sooner, but also with relatively more carbon in the atmosphere.
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