Preprints
https://doi.org/10.5194/egusphere-2022-134
https://doi.org/10.5194/egusphere-2022-134
28 Apr 2022
 | 28 Apr 2022

Climate projections from IPCC models and regression models: A comparison

Umberto Triacca

Abstract. In this paper, we show that the projected global temperature change from CMIP5 models is remarkably similar to that obtained using simple regression models relating the global temperature to the atmospheric concentrations of CO2. This result is strengthened when we consider the projections obtained using the CMIP6 models.

Umberto Triacca

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-134', Anonymous Referee #1, 16 May 2022
  • RC2: 'Comment on egusphere-2022-134', Anonymous Referee #2, 20 May 2022
  • EC1: 'Comment on egusphere-2022-134', Riccardo Farneti, 24 Jun 2022

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-134', Anonymous Referee #1, 16 May 2022
  • RC2: 'Comment on egusphere-2022-134', Anonymous Referee #2, 20 May 2022
  • EC1: 'Comment on egusphere-2022-134', Riccardo Farneti, 24 Jun 2022
Umberto Triacca
Umberto Triacca

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Short summary
In this paper, I show that the projected global temperature change from CMIP5 and CMIP6 models is remarkably similar to that obtained using simple linear regression models relating the global temperature to the atmospheric concentrations of CO2. I believe that this result is very interesting and should spur additional debate about the suitability of GCMs.