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Fig. 2 | Current Climate Change Reports

Fig. 2

From: The Effects of Ocean Heat Uptake on Transient Climate Sensitivity

Fig. 2

The evolving planetary energy budgets in two CMIP5 AOGCMS after abrupt quadrupling of CO2 presented as Gregory plots [27], i.e., scatterplots of \(\overline {R}\) versus \({\Delta } \overline {T_{s}}\). Each data point represents a global, annual average. A single ensemble member was used for each model. The two models are the NCAR CCSM4 and the GFDL-CM3. Red lines are regressions for different time intervals, with their slopes listed in units of W m −2 K −1 in the legend. The red arrows indicate the effective radiative forcing ERF and effective climate sensitivity ΔT e f f for 4 ×CO 2, as defined in the IPCC AR5 [21]

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