Articles | Volume 10, issue 2
Earth Syst. Dynam., 10, 333–345, 2019
https://doi.org/10.5194/esd-10-333-2019
Earth Syst. Dynam., 10, 333–345, 2019
https://doi.org/10.5194/esd-10-333-2019

Research article 14 Jun 2019

Research article | 14 Jun 2019

Including the efficacy of land ice changes in deriving climate sensitivity from paleodata

Lennert B. Stap et al.

Data sets

L. B. Stap, R. S. W. van de Wal, B. de Boer, P. Köhler, J. H. Hoencamp, G. Lohmann, E. Tuenter, and L. J. Lourens Simulation of northern hemispheric, southern hemispheric and global temperature over the past 5 million years https://doi.org/10.1594/PANGAEA.887427

Model-based changes in global annual mean surface temperature change (Delta T_g) and radiative forcing due to land ice albedo changes (Delta R_[LI]) over the last 5 Myr, supplementary material P. Köhler, B. de Boer, A. S. von der Heydt, L. B. Stap, and R. S. W. van de Wal https://doi.org/10.1594/PANGAEA.855449

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Short summary
Processes causing the same global-average radiative forcing might lead to different global temperature changes. We expand the theoretical framework by which we calculate paleoclimate sensitivity with an efficacy factor. Applying the revised approach to radiative forcing caused by CO2 and land ice albedo perturbations, inferred from data of the past 800 000 years, gives a new paleo-based estimate of climate sensitivity.
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