Figure 2 - The Scenario Model Intercomparison Project (ScenarioMIP) for CMIP6

SSP-RCP scenario matrix illustrating ScenarioMIP simulations. Each cell in the matrix indicates a 1 combination of socioeconomic development pathway (SSP) and climate outcome based on a particular forcing 2 pathway that is feasible to produce in an IAM. Dark blue cells indicate scenarios that will serve as the basis for 3 climate model projections in Tier 1 of ScenarioMIP; light blue cells indicate scenarios in Tier 2. An overshoot 4 version of the 3.4 W/m 2 pathway is also part of Tier 2, as are long-term extensions of SSP5-8.5, SSP1-2.6 and the 5 overshoot scenario, and initial condition ensemble members of SSP3-7.0. White cells indicate scenarios for which 6 climate information is intended to come from the SSP scenario to be simulated for that row. CMIP5 RCPs, which 7 were developed from previous socioeconomic scenarios rather than SSPs, are shown for comparison. Note the 8 SSP1-2.0 scenario indicated here is preliminary (see text). 9

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Reference

The Scenario Model Intercomparison Project (ScenarioMIP) for CMIP6 - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/SSP-RCP-scenario-matrix-illustrating-ScenarioMIP-simulations-Each-cell-in-the-matrix_fig1_301594661 [accessed 16 Jan 2025]

Caption

Figure 2: SSP-RCP scenario matrix illustrating ScenarioMIP simulations. Each cell in the matrix indicates a 1 combination of socioeconomic development pathway (SSP) and climate outcome based on a particular forcing 2 pathway that is feasible to produce in an IAM. Dark blue cells indicate scenarios that will serve as the basis for 3 climate model projections in Tier 1 of ScenarioMIP; light blue cells indicate scenarios in Tier 2. An overshoot 4 version of the 3.4 W/m 2 pathway is also part of Tier 2, as are long-term extensions of SSP5-8.5, SSP1-2.6 and the 5 overshoot scenario, and initial condition ensemble members of SSP3-7.0. White cells indicate scenarios for which 6 climate information is intended to come from the SSP scenario to be simulated for that row. CMIP5 RCPs, which 7 were developed from previous socioeconomic scenarios rather than SSPs, are shown for comparison. Note the 8 SSP1-2.0 scenario indicated here is preliminary (see text). 9

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<a href="https://www.researchgate.net/figure/SSP-RCP-scenario-matrix-illustrating-ScenarioMIP-simulations-Each-cell-in-the-matrix_fig1_301594661"><img src="https://www.researchgate.net/profile/Reto-Knutti/publication/301594661/figure/fig1/AS:362304140005378@1463391446189/SSP-RCP-scenario-matrix-illustrating-ScenarioMIP-simulations-Each-cell-in-the-matrix.png" alt="SSP-RCP scenario matrix illustrating ScenarioMIP simulations. Each cell in the matrix indicates a 1 combination of socioeconomic development pathway (SSP) and climate outcome based on a particular forcing 2 pathway that is feasible to produce in an IAM. Dark blue cells indicate scenarios that will serve as the basis for 3 climate model projections in Tier 1 of ScenarioMIP; light blue cells indicate scenarios in Tier 2. An overshoot 4 version of the 3.4 W/m 2 pathway is also part of Tier 2, as are long-term extensions of SSP5-8.5, SSP1-2.6 and the 5 overshoot scenario, and initial condition ensemble members of SSP3-7.0. White cells indicate scenarios for which 6 climate information is intended to come from the SSP scenario to be simulated for that row. CMIP5 RCPs, which 7 were developed from previous socioeconomic scenarios rather than SSPs, are shown for comparison. Note the 8 SSP1-2.0 scenario indicated here is preliminary (see text). 9"/></a>