ESD Ideas: The stochastic climate model shows that underestimated Holocene trends and variability represent two sides of the same coin


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gerrit.lohmann [ at ] awi.de

Abstract

Holocene sea surface temperature trends and variability are underestimated in models compared to paleoclimate data. The idea is presented that the local trends and variability are related, which is elaborated in a conceptual framework of the stochastic climate model. The relation is a consequence of the fluctuation–dissipation theorem, connecting the linear response of a system to its statistical fluctuations. Consequently, the spectrum can be used to estimate the timescale-dependent climate response. The non-normality in the propagation operator introduces enhanced long-term variability related to nonequilibrium and/or Earth system sensitivity. The simple model can guide us to analyze comprehensive models' behavior.



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Article
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Peer revision
ISI/Scopus peer-reviewed
Publication Status
Published
Eprint ID
48421
DOI 10.5194/esd-9-1279-2018

Cite as
Lohmann, G. (2018): ESD Ideas: The stochastic climate model shows that underestimated Holocene trends and variability represent two sides of the same coin , Earth System Dynamics, (9), pp. 1279-1281 . doi: 10.5194/esd-9-1279-2018


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