Transient Climate Response#
The transient climate response (TCR) is defined as the global and annual mean surface air temperature anomaly in the 1pctCO2 scenario (1% CO2 increase per year) for a 20 year period centered at the time of CO2 doubling, i.e. using the years 61 to 80 after the start of the simulation. We calculate the temperature anomaly by subtracting a linear fit of the piControl run for all 140 years of the 1pctCO2 experiment prior to the TCR calculation (see Gregory and Forster, 2008).
Available recipes and diagnostics#
Recipes are stored in recipes/
Diagnostics are stored in diag_scripts/
User settings in recipe#
area_statistics(operation: mean): Calculate global mean.
calculate_mmm, bool, optional (default:
True): Calculate multi-model mean TCR.
plot, bool, optional (default:
True): Plot temperature vs. time.
read_external_file, str, optional: Read TCR from external file. The path can be given relative to this diagnostic script or as absolute path.
savefig_kwargs, dict, optional: Keyword arguments for
seaborn_settings, dict, optional: Options for
seaborn.set_theme()(affects all plots).
tas (atmos, monthly, longitude, latitude, time)
Observations and reformat scripts#
Gregory, J. M., and P. M. Forster. “Transient climate response estimated from radiative forcing and observed temperature change.” Journal of Geophysical Research: Atmospheres 113.D23 (2008).