A STUDY ON THE ADAPTATION MEASURES FOR OUTDOOR WORKTIME REDUCTION DUE TO HEAT STRESSES CAUSED BY CLIMATE CHANGE

DOI IR HANDLE Web Site 27 References Open Access
  • TAKAKURA Jun'ya
    国立研究開発法人国立環境研究所 社会環境システム研究センター
  • FUJIMORI Shinichiro
    国立研究開発法人国立環境研究所 社会環境システム研究センター
  • TAKAHASHI Kiyoshi
    国立研究開発法人国立環境研究所 社会環境システム研究センター
  • HONDA Yasushi
    筑波大学 体育系
  • HASEGAWA Tomoko
    国立研究開発法人国立環境研究所 社会環境システム研究センター
  • HIJIOKA Yasuaki
    国立研究開発法人国立環境研究所 社会環境システム研究センター
  • MASUI Toshihiko
    国立研究開発法人国立環境研究所 社会環境システム研究センター

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Other Title
  • 気候変動に伴う暑熱ストレスの増大による屋外労働可能時間短縮に対する適応策の検討

Abstract

 The effect of the climate change on the worktime reduction due to heat stresses can produce serious economic impact. In this study, we investigated two possible adaptation measures, i.e. shifting work time and lowering work intensity by machinerization. Future workable hours are estimated based on a recommendation to prevent heat-related injuries. Without climate-change mitigation, at the end of the 21st century, start time of the work has to be shifted approximately 6 hours to keep current-level workable hours. On the other hand, if the temperature rise is kept below 2 degrees Celsius compared to the pre-industrial level, required shift time is estimated to be less than 2 hours. Lowering work intensity also contributes to alleviating worktime reduction, but not all type of works are able to be machinerized. Considering these facts, it is highly important to implement climate-change mitigation policies in order to reduce difficulties in adaptation measures.

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