articleGeoscientific model developmentDec 20, 2022GOLD OA

The IPCC Sixth Assessment Report WGIII climate assessment of mitigation pathways: from emissions to global temperatures

JKJarmo KikstraZNZebedee NichollsCSChris SmithJLJared LewisRLRobin Lamboll

International Institute for Applied Systems Analysis · Imperial College London · +14 more institutions

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Abstract

Abstract. While the Intergovernmental Panel on Climate Change (IPCC) physical science reports usually assess a handful of future scenarios, the Working Group III contribution on climate mitigation to the IPCC's Sixth Assessment Report (AR6 WGIII) assesses hundreds to thousands of future emissions scenarios. A key task in WGIII is to assess the global mean temperature outcomes of these scenarios in a consistent manner, given the challenge that the emissions scenarios from different integrated assessment models (IAMs) come with different sectoral and gas-to-gas coverage and cannot all be assessed consistently by complex Earth system models. In this work, we describe the “climate-assessment” workflow and its…

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Topics & keywords

Topics
Keywords
  • Overshoot (microwave communication)
  • Environmental science
  • Radiative forcing
  • Representative Concentration Pathways
  • Climate change
  • Greenhouse gas
  • Climatology
  • Climate model
UN Sustainable Development Goals
  • Climate action
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