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Resolution matters: Mid-Holocene atmospheric circulation

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posted on 2022-04-06, 05:57 authored by Gerrit LohmannGerrit Lohmann
The mid-Holocene is one of the key times in the past to test models. The most prominent difference between the mid-Holocene and the present arises from the orbital configuration, which leads to an increase in summer insolation in the northern hemisphere and a decrease in the tropical and subtropical southern hemisphere in boreal winter (Lohmann et al., 2013). Several model simulations were performed to test whether the resolution of the model systems used affects the results. Special focus is put on the boreal winter atmospheric circulation in the northern hemisphere (Lohmann et al., 2021).

Lohmann, G., M. Pfeiffer, T. Laepple, G. Leduc, and J.-H. Kim, 2013: A model-data comparison of the Holocene global sea surface temperature evolution. Clim. Past, 9, 1807-1839, doi: 10.5194/cp-9-1807-2013.

Shi, X., and Lohmann, G., 2016: Simulated response of the mid-Holocene Atlantic Meridional Overturning Circulation in ECHAM6-FESOM/MPIOM. Journal of Geophysical Research - Oceans, doi: 10.1002/2015JC011584.

Lohmann, G., A. Wagner, M. Prange, 2021: Resolution of the atmospheric model matters for the Northern Hemisphere Mid-Holocene climate. Dynamics of Atmospheres and Oceans, 93, 101206 doi:10.1016/j.dynatmoce.2021.101206

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