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Investigating the dependence of the effectiveness of carbon dioxide removal on the amount and rate of removal

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Thesis type
(Thesis) M.Sc.
Date created
Most future climate scenarios consistent with the 1.5-2°C limits set by the Paris Agreement include carbon dioxide removal (CDR) as an important mitigation measure. Here, we investigate the land carbon cycle response to different magnitudes and rates of CDR using an Earth System Model of Intermediate Complexity. We show that the climate and carbon cycle response 100 years after the end of the removal is dependent on the magnitude of CDR and depends slightly on the rate of CDR. Several centuries after the end of the removal the response is largely rate independent at the global scale. At the regional scale, small land carbon differences of opposite sign persist between the tropics, , and northern mid and high latitudes several centuries after the end of the removal. The results of this thesis inform how CDR scenarios can be deployed most effectively with regard to drawing down atmospheric CO2 and mitigating warming.
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Copyright is held by the author(s).
This thesis may be printed or downloaded for non-commercial research and scholarly purposes.
Supervisor or Senior Supervisor
Thesis advisor: Zickfeld, Kirsten
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