Variations of the global annual mean surface temperature during the past 2000 years: results from the CESM1

  title={Variations of the global annual mean surface temperature during the past 2000 years: results from the CESM1},
  author={Zhiyuan Wang and Jianglin Wang and Shijia Zhang},
  journal={Theoretical and Applied Climatology},
The influence of external forcings on surface temperature is not fully understood at decadal to multi-centennial timescales. This study uses simulation results from the Community Earth System Model (CESM) forced by total solar irradiation (TSI), greenhouse gases (GHGs) concentrations, volcanic eruptions (VOL), and land use and land covers (LULC) to investigate the possible impacts of external forcing on decadal to multi-centennial timescales over the past 2000 years. The simulated global annual… 
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