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ACP | Articles | Volume 20, issue 5
Atmos. Chem. Phys., 20, 2953–2966, 2020
https://doi.org/10.5194/acp-20-2953-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 20, 2953–2966, 2020
https://doi.org/10.5194/acp-20-2953-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 12 Mar 2020

Research article | 12 Mar 2020

Impact of poleward heat and moisture transports on Arctic clouds and climate simulation

Eun-Hyuk Baek et al.

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Barton, N. P., Klein, S. A., and Boyle, J. S.: On the contribution of longwave radiation to global climate model biases in Arctic lower tropospheric stability, J. Climate, 27, 7250–7269, https://doi.org/10.1175/JCLI-D-14-00126.1, 2014. 
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Boe, J., Hall, A., and Qu, X.: Current GCMs' unrealistic negative feedback in the Arctic, J. Climate, 22, 4682–4695, https://doi.org/10.1175/2009JCLI2885.1, 2009. 
Cesana, G. and Chepfer, H.: How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models, Geophys. Res. Lett., 39, 1–6, https://doi.org/10.1029/2012GL053153, 2012. 
Cesana, G., Waliser, D. E., Jiang, X., and Li, J.-L. F.: Multi-model evaluation of cloud phase transition using satellite and reanalysis data, J. Geophys. Res.-Atmos., 120, 7871–7892, https://doi.org/10.1002/2014JD022932, 2015. 
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Many general circulation models (GCMs) have difficulty simulating Arctic clouds and climate, causing substantial inter-model spread. By analyzing various model simulation results, we found that the association between the enhanced poleward transports of heat and moisture and an increase in liquid clouds over the Arctic is evident in GCMs. Our study demonstrates that enhanced poleward heat and moisture transport in a model can improve simulations of Arctic clouds and climate.
Many general circulation models (GCMs) have difficulty simulating Arctic clouds and climate,...
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