articleBiogeosciencesJul 6, 2020GOLD OA

Twenty-first century ocean warming, acidification, deoxygenation, and upper-ocean nutrient and primary production decline from CMIP6 model projections

LKLester KwiatkowskiOTOlivier TorresLBLaurent BoppOAOlivier AumontMAMatthew A. Chamberlain

Centre National de la Recherche Scientifique · Sorbonne Université · +30 more institutions

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Abstract

Abstract. Anthropogenic climate change is projected to lead to ocean warming, acidification, deoxygenation, reductions in near-surface nutrients, and changes to primary production, all of which are expected to affect marine ecosystems. Here we assess projections of these drivers of environmental change over the twenty-first century from Earth system models (ESMs) participating in the Coupled Model Intercomparison Project Phase 6 (CMIP6) that were forced under the CMIP6 Shared Socioeconomic Pathways (SSPs). Projections are compared to those from the previous generation (CMIP5) forced under the Representative Concentration Pathways (RCPs). A total of 10 CMIP5 and 13 CMIP6 models are used in the two multi-model…

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Topics & keywords

Topics
Keywords
  • Coupled model intercomparison project
  • Environmental science
  • Representative Concentration Pathways
  • Ecosystem
  • Effects of global warming on oceans
  • Nutrient
  • Primary production
  • Climate change
UN Sustainable Development Goals
  • Life below water
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