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ESD | Articles | Volume 9, issue 2
Earth Syst. Dynam., 9, 817-828, 2018
https://doi.org/10.5194/esd-9-817-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: The Earth system at a global warming of 1.5°C and 2.0°C

Earth Syst. Dynam., 9, 817-828, 2018
https://doi.org/10.5194/esd-9-817-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 13 Jun 2018

Research article | 13 Jun 2018

Climate, ocean circulation, and sea level changes under stabilization and overshoot pathways to 1.5 K warming

Jaime B. Palter et al.
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Limiting global warming to 1.5 °C may require carbon removal from the atmosphere. We explore how the climate system differs when we achieve the 1.5 °C limit by rapid emissions reductions versus when we overshoot this limit, hitting 2 °C at mid-century before removing CO2 from the atmosphere. We show that sea level, ocean acidification, regional warming, and ocean circulation are very different under the overshoot pathway at 2100, despite hitting the 1.5 °C target for surface warming.
Limiting global warming to 1.5 °C may require carbon removal from the atmosphere. We explore how...
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