Overview of the CMIP6 Historical Experiment Datasets with the Climate System Model CAS FGOALS-f3-L
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Overview of the CMIP6 Historical Experiment Datasets with the Climate System Model CAS FGOALS-f3-L Yuyang GUO1,2, Yongqiang YU*1,2,3, Pengfei LIN1,2,3, Hailong LIU1,2, Bian HE1,2, Qing BAO1,2, Shuwen ZHAO1,2, and Xiaowei WANG1,2,4 1LASG,
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China 2University
3Center
of Chinese Academy of Sciences, Beijing 100049, China
for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China 4Yunnan
University, Kunming 650091, China
(Received 6 January 2020; revised 16 March 2020; accepted 20 March 2020) ABSTRACT The three-member historical simulations by the Chinese Academy of Sciences Flexible Global Ocean–Atmosphere–Land System model, version f3-L (CAS FGOALS-f3-L), which is contributing to phase 6 of the Coupled Model Intercomparison Project (CMIP6), are described in this study. The details of the CAS FGOALS-f3-L model, experiment settings and output datasets are briefly introduced. The datasets include monthly and daily outputs from the atmospheric, oceanic, land and sea-ice component models of CAS FGOALS-f3-L, and all these data have been published online in the Earth System Grid Federation (ESGF, https://esgf-node.llnl.gov/projects/cmip6/). The three ensembles are initialized from the 600th, 650th and 700th model year of the preindustrial experiment (piControl) and forced by the same historical forcing provided by CMIP6 from 1850 to 2014. The performance of the coupled model is validated in comparison with some recent observed atmospheric and oceanic datasets. It is shown that CAS FGOALS-f3-L is able to reproduce the main features of the modern climate, including the climatology of air surface temperature and precipitation, the long-term changes in global mean surface air temperature, ocean heat content and sea surface steric height, and the horizontal and vertical distribution of temperature in the ocean and atmosphere. Meanwhile, like other state-of-the-art coupled GCMs, there are still some obvious biases in the historical simulations, which are also illustrated. This paper can help users to better understand the advantages and biases of the model and the datasets. Key words: CMIP6, historical simulation, FGOALS-f3-L, coupled model, data description Citation: Guo, Y., Y. Q. Yu, P. F. Lin, H. L. Liu, B. He, Q, Bao, S. Zhao, and X. Wang, 2020: Overview of the CMIP6 historical experiment datasets with the climate system model CAS FGOALS-f3-L. Adv. Atmos. Sci., https://doi.org/10.1007/s00376-020-2004-4. (in press) Article Highlights:
• The CMIP6 historical simulation datasets produced by CAS FGOALS-f3-L covering 1850–2014 are described. • The three ensembles are started from different initials from different times of the piControl, and integrated under the same forcing. • The model can reproduce the modern climate well under historical forcing, although biases still exist.
1. Introduction The Coupled Model Intercomparison Project (CMIP), which aims to better understand past, presen
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