Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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The Occurrence Characteristic and Future Prospect of Extreme Heat and Tropical Night in Daegu and Jeju

대구와 제주의 폭염 및 열대야의 발생 특성

  • Kim, Jin-Ah (Applied Meteorology Research Division, National Institute of Meteorological Sciences) ;
  • Kim, Kyu-Rang (Applied Meteorology Research Division, National Institute of Meteorological Sciences) ;
  • Kim, Baek-Jo (Applied Meteorology Research Division, National Institute of Meteorological Sciences)
  • 김진아 (국립기상과학원 응용기상연구과) ;
  • 김규랑 (국립기상과학원 응용기상연구과) ;
  • 김백조 (국립기상과학원 응용기상연구과)
  • Received : 2015.10.02
  • Accepted : 2015.10.26
  • Published : 2015.11.30
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Abstract

Observation data (1981-2014) and climate change scenario data (historical: 1981-2005; RCP 2.6 and 8.5: 2006-2100) were used to analyze occurrence and future outlook of the extreme heat days and tropical nights in Daegu and Jeju. Then we compared the mortality and observations data (1993-2013). During 1981-2014, the average of extreme heat days (tropical nights) was 24.41 days (12.47 days) in Daegu, and 6.5 days (22.14 days) in Jeju. Extreme heat days and tropical nights have been similarly increased in Daegu, but tropical nights increased more than extreme heat days in Jeju. Extreme heat days and tropical nights in both, Daegu and Jeju showed high correlation with daily mortality, specifically Daegu's correlation was higher than that of jeju. The yearly increasing rate of extreme heat of the future (2076-2100) was 1.7-3.6 times and 7.8-37.7 times higher than the past (1981-2005) in Daegu and Jeju, respectively. The yearly increase rate of tropical nights of future was 2.6-5.0 times and 2.9-5.6 times higher in Daegu and Jeju, respectively. During 2006-2100 periods, the trend of extreme heat days was observed both in Daegu and Jeju. On the average, extreme heat days and tropical nights in Jeju increased more than that of Daegu. However, the trend of extreme heat days increase in Daegu was higher than that in Jeju, whereas, the trend of tropical nights in Jeju was higher than that in Daegu.

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References

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