articleGeophysical Research LettersApr 17, 2020HYBRID OA

Arctic Sea Ice in CMIP6

DNDirk NotzSCSIMIP Community

Max Planck Society · Max Planck Computing and Data Facility · +1 more institution

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Abstract

Abstract We examine CMIP6 simulations of Arctic sea‐ice area and volume. We find that CMIP6 models produce a wide spread of mean Arctic sea‐ice area, capturing the observational estimate within the multimodel ensemble spread. The CMIP6 multimodel ensemble mean provides a more realistic estimate of the sensitivity of September Arctic sea‐ice area to a given amount of anthropogenic CO 2 emissions and to a given amount of global warming, compared with earlier CMIP experiments. Still, most CMIP6 models fail to simulate at the same time a plausible evolution of sea‐ice area and of global mean surface temperature. In the vast majority of the available CMIP6 simulations, the Arctic Ocean becomes practically sea‐ice…

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Topics & keywords

Topics
Keywords
  • Sea ice
  • Arctic
  • Climatology
  • Arctic ice pack
  • The arctic
  • Environmental science
  • Geology
  • Oceanography
UN Sustainable Development Goals
  • Life below water
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