ISIMIP is a community-driven modelling effort with the goal of providing cross-sectoral global impact assessments, based on the newly developed climate Representative Concentration Pathways (RCP) and Shared Socio-Economic Pathways (SSP) scenarios. Based on common background scenarios, a quantitative estimate of impacts and uncertainties for different sectors and from multiple impact models was derived. From this, policy relevant and society-focused metrics will be deducted.
This initiative, coordinated by a team at PIK with support from IIASA and backing from the IPCC Working Groups II+III, aims to provide outcomes for the IPCCs Fifth Assessment Report. Further it initiates a longer-term coordinated impact assessment effort driven by the entire impact community.