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Climate of the Past An interactive open-access journal of the European Geosciences Union
Clim. Past, 9, 2085-2099, 2013
© Author(s) 2013. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research Article
03 Sep 2013
Mid-Pliocene East Asian monsoon climate simulated in the PlioMIP
R. Zhang1, Q. Yan2, Z. S. Zhang2,3, D. Jiang1,2,4, B. L. Otto-Bliesner5, A. M. Haywood6, D. J. Hill6,7, A. M. Dolan6, C. Stepanek8, G. Lohmann8, C. Contoux9,10, F. Bragg11, W.-L. Chan12, M. A. Chandler13, A. Jost10, Y. Kamae14, A. Abe-Ouchi12,15, G. Ramstein9, N. A. Rosenbloom5, L. Sohl13, and H. Ueda14
1Climate Change Research Center, Chinese Academy of Sciences, Beijing 100029, China
2Nansen-Zhu International Research Centre, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
3UniResearch, Bjerknes Centre for Climate Research, Bergen 5007, Norway
4Key Laboratory of Regional Climate-Environment Research for Temperate East Asia, Chinese Academy of Sciences, Beijing 100029, China
5National Center for Atmospheric Research, Boulder, Colorado, USA
6School of Earth and Environment, University of Leeds, Woodhouse Lane, Leeds, LS29JT, UK
7British Geological Survey, Keyworth, Nottingham, NG12 5GG, UK
8Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
10Sisyphe, CNRS/UPMC Univ Paris 06, Paris, France
11School of Geographical Sciences, University of Bristol, University Road, Bristol, BS8 1SS, UK
12Atmosphere and Ocean Research Institute, University of Tokyo, Kashiwa, Japan
13Columbia University–NASA/GISS, New York, NY, USA
14Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan
15Research Institute for Global Change, JAMSTEC, Yokohama, Japan

Abstract. Based on simulations with 15 climate models in the Pliocene Model Intercomparison Project (PlioMIP), the regional climate of East Asia (focusing on China) during the mid-Pliocene is investigated in this study. Compared to the pre-industrial, the multi-model ensemble mean (MMM) of all models shows the East Asian summer winds (EASWs) largely strengthen in monsoon China, and the East Asian winter winds (EAWWs) strengthen in south monsoon China but slightly weaken in north monsoon China in the mid-Pliocene. The MMM of all models also illustrates a warmer and wetter mid-Pliocene climate in China. The simulated weakened mid-Pliocene EAWWs in north monsoon China and intensified EASWs in monsoon China agree well with geological reconstructions. However, there is a large model–model discrepancy in simulating mid-Pliocene EAWW, which should be further addressed in the future work of PlioMIP.

Citation: Zhang, R., Yan, Q., Zhang, Z. S., Jiang, D., Otto-Bliesner, B. L., Haywood, A. M., Hill, D. J., Dolan, A. M., Stepanek, C., Lohmann, G., Contoux, C., Bragg, F., Chan, W.-L., Chandler, M. A., Jost, A., Kamae, Y., Abe-Ouchi, A., Ramstein, G., Rosenbloom, N. A., Sohl, L., and Ueda, H.: Mid-Pliocene East Asian monsoon climate simulated in the PlioMIP, Clim. Past, 9, 2085-2099, doi:10.5194/cp-9-2085-2013, 2013.
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