FIO-ESM v2.0 Outputs for the CMIP6 Global Monsoons Model Intercomparison Project Experiments
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FIO-ESM v2.0 Outputs for the CMIP6 Global Monsoons Model Intercomparison Project Experiments Yajuan SONG1,2,3, Xinfang LI1,2, Ying BAO*1,2,3, Zhenya SONG1,2,3, Meng WEI1,2,3, Qi SHU1,2,3, and Xiaodan YANG1,2,3 1First 2Laboratory
Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
for Regional Oceanography and Numerical Modeling, Qingdao National Pilot National Laboratory for Marine Science and Technology, Qingdao 266061, China
3Key
Laboratory of Marine Science and Numerical Modeling, Ministry of Natural Resources, Qingdao 266061, China (Received 31 December 2019; revised 22 April 2020; accepted 6 May 2020) ABSTRACT
Three tiers of experiments in the Global Monsoons Model Intercomparison Project (GMMIP), one of the endorsed model intercomparison projects of phase 6 of the Coupled Model Intercomparison Project (CMIP6), are implemented by the First Institute of Oceanography Earth System Model version 2 (FIO-ESM v2.0), following the GMMIP protocols. Evaluation of global mean surface air temperature from 1870 to 2014 and climatological precipitation (1979–2014) in tier-1 shows that the atmosphere model of FIO-ESM v2.0 can reproduce the basic observed atmospheric features. In tier-2, the internal variability is captured by the coupled model, with the SST restoring to the model climatology plus the observed anomalies in the tropical Pacific and North Atlantic. Simulation of the Northern Hemisphere summer monsoon circulation is significantly improved by the SST restoration in the North Atlantic. In tier-3, five orographic perturbation experiments are conducted covering the period 1979–2014 by modifying the surface elevation or vertical heating in the prescribed region. In particular, the strength of the South Asian summer monsoon is reduced by removing the topography or thermal forcing above 500 m over the Asian continent. Monthly and daily simulated outputs of FIO-ESM v2.0 are provided through the Earth System Grid Federation (ESGF) node to contribute to a better understanding of the global monsoon system. Key words: CMIP6, GMMIP, FIO-ESM v2.0, global monsoon Citation: Song, Y. J., X. F. Li, Y, Bao, Z. Y. Song, M. Wei, Q. Shu, and X. D. Yang, 2020: FIO-ESM v2.0 outputs for the CMIP6 Global Monsoons Model Intercomparison Project experiments. Adv. Atmos. Sci., https://doi.org/10.1007/s00376020-9288-2. (in press)
1. Background The monsoon system, with its reversed wind vector in summer and winter, heralding the arrival of the rainy season, has significant influences on global climate (Trenberth et al., 2000; Wang, 2008). Anomalous monsoon can lead to natural disasters, characterized by extreme precipitation and temperature, and thus cause serious socioeconomic losses. The accurate simulation and prediction of the monsoon system is of broad societal concern (Webster et al., 1998). Climate models are useful tools for studying the dynamic mechanisms and predicting changes of monsoon. The coupled atmosphere–ocean general circulation models (CGCMs) that pa
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