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The Koppen-Trewartha Climate-Type Changes Over the CORDEX-East Asia Phase 2 Domain Under 2 and 3 degrees C Global Warming

  • Jo, Sera
  • Ahn, Joong-Bae
  • Cha, Dong-hyun
  • Min, Seung-Ki
  • Suh, Myoung-Seok
  • Byun, Young-Hwa
  • Kim, Jin-Uk
Publication Date
Dec 18, 2019
[email protected]
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For the comprehensive estimation of regional climate change over East Asia (EA) at the 2 and 3 degrees C global warming levels (GWLs), the Koppen-Trewartha climate-type change is assessed with ensemble regional climate change projections in line with Coordinated Regional Climate Downscaling Experiment (CORDEX)-EA phase 2. Under the 2 degrees C (3 degrees C) GWL, 17.6% (25.2%) of the EA region is expected to undergo major climate-type changes. Tropical and subtropical climate types will expand northward, accompanied by increasing hydroclimatic intensity. Limiting GWL to 2 degrees C shows benefits by preventing subtropical-type expansion around far EA. Desertification over inland regions of EA exhibits scenario dependency. Boreal and tundra climate types over high-latitude regions will tend to decrease rapidly, especially over the Tibetan Plateau. The results are expected to be a baseline assessment of climate change over EA under the 2 and 3 degrees C GWLs above the preindustrial level. / 1 / Y

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