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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 10
Geosci. Model Dev., 9, 3589-3604, 2016
https://doi.org/10.5194/gmd-9-3589-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Coupled Model Intercomparison Project Phase 6 (CMIP6) Experimental...

Geosci. Model Dev., 9, 3589-3604, 2016
https://doi.org/10.5194/gmd-9-3589-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Model experiment description paper 10 Oct 2016

Model experiment description paper | 10 Oct 2016

GMMIP (v1.0) contribution to CMIP6: Global Monsoons Model Inter-comparison Project

Tianjun Zhou1, Andrew G. Turner2, James L. Kinter3, Bin Wang4, Yun Qian5, Xiaolong Chen1, Bo Wu1, Bin Wang1, Bo Liu1,6, Liwei Zou1, and Bian He1 Tianjun Zhou et al.
  • 1LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
  • 2NCAS-Climate and Department of Meteorology, University of Reading, Reading, UK
  • 3Center for Ocean-Land-Atmosphere Studies & Dept. of Atmospheric, Oceanic & Earth Sciences, George Mason University, Fairfax, Virginia, USA
  • 4Department of Meteorology, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, Hawaii, USA
  • 5Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, Washington, USA
  • 6College of Earth Science, Graduate University of the Chinese Academy of Sciences, Beijing 100049, China

Abstract. The Global Monsoons Model Inter-comparison Project (GMMIP) has been endorsed by the panel of Coupled Model Inter-comparison Project (CMIP) as one of the participating model inter-comparison projects (MIPs) in the sixth phase of CMIP (CMIP6). The focus of GMMIP is on monsoon climatology, variability, prediction and projection, which is relevant to four of the “Grand Challenges” proposed by the World Climate Research Programme. At present, 21 international modeling groups are committed to joining GMMIP. This overview paper introduces the motivation behind GMMIP and the scientific questions it intends to answer. Three tiers of experiments, of decreasing priority, are designed to examine (a) model skill in simulating the climatology and interannual-to-multidecadal variability of global monsoons forced by the sea surface temperature during historical climate period; (b) the roles of the Interdecadal Pacific Oscillation and Atlantic Multidecadal Oscillation in driving variations of the global and regional monsoons; and (c) the effects of large orographic terrain on the establishment of the monsoons. The outputs of the CMIP6 Diagnostic, Evaluation and Characterization of Klima experiments (DECK), “historical” simulation and endorsed MIPs will also be used in the diagnostic analysis of GMMIP to give a comprehensive understanding of the roles played by different external forcings, potential improvements in the simulation of monsoon rainfall at high resolution and reproducibility at decadal timescales. The implementation of GMMIP will improve our understanding of the fundamental physics of changes in the global and regional monsoons over the past 140 years and ultimately benefit monsoons prediction and projection in the current century.

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This paper tells why to launch the Global Monsoons Model Inter-comparison Project (GMMIP) and how to achieve its scientific goals on monsoon variability. It addresses the scientific questions to be answered, describes three tiered experiments comprehensively and proposes a basic analysis framework to guide future research. It will help the monsoon research communities to understand the objectives of the GMMIP and the modelling groups involved in the GMMIP conduct the experiments successfully.
This paper tells why to launch the Global Monsoons Model Inter-comparison Project (GMMIP) and...
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