Progress in Earth and Planetary Science

Table 2 Study scenarios

From: Relationship between physical and biogeochemical parameters and the scenario dependence of the transient climate response to cumulative carbon emissions

Scenario	pCO₂ change rate	Start CO₂ level	End CO₂ level	Duration (years)
I-1%	1% p.a. increase	1 × CO₂ (Initial)	2 × CO₂	70
I-0.25%	0.25% p.a. increase	1 × CO₂ (Initial)	2 × CO₂	280
I-0.5%	0.5% p.a. increase	1 × CO₂ (Initial)	2 × CO₂	140
I-2%	2 % p.a. increase	1 × CO₂ (Initial)	2 × CO₂	40
I-4%	4% p.a. increase	1 × CO₂ (Initial)	4.5 × CO₂	40
D-1%	1% p.a. decrease	2 × CO₂ (after I1.0%)	1 × CO₂	70

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