A STUDY ON SUMMER TEMPERATURE DISTRIBUTIONS IN HIROSHIMA PLAIN

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  • MATSUO Kaoru
    Grad. Stud., Graduate School of Engineering, Hiroshima Univ. /Research Fellow of Japan Society for the Promotion of Science
  • TANAKA Takahiro
    Assoc. Prof., Graduate School of Engineering, Hiroshima Univ., Dr. Eng.

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Other Title
  • 広島平野における夏季の気温分布に関する研究
  • 広島平野における夏季の気温分布に関する研究 : 夏季多点同時気温観測による気温分布形成要因の分析
  • ヒロシマ ヘイヤ ニ オケル カキ ノ キオン ブンプ ニ カンスル ケンキュウ : カキ タテン ドウジ キオン カンソク ニ ヨル キオン ブンプ ケイセイ ヨウイン ノ ブンセキ
  • －夏季多点同時気温観測による気温分布形成要因の分析－
  • Analysis on the causes of temperature distributions based on multi-point measurement in summer

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Abstract

 Urban planning incorporating mitigation of the urban warming which is due to urban heat island phenomenon and global warming is needed. The mitigations that are thought to be suitable in each place should be selected, because the climatic characteristics are different by places in urban area. Accordingly, Urban Environmental Climate Maps (UECMs) are proposed as a tool for examining the suitable mitigation in each place. For making UECMs, at first, it is necessary to understand the summer temperature distribution patterns and factors of them in urban area. Therefore, this study aims at evaluating the relationship between temperature and the factors comprehensively using observed data in Hiroshima plain. As a result, in the daytime, distance from the coastal line in the direction of sea breeze and the rate of building blocking (RBB) in south-southwest direction have effects on the temperature distribution. In the nighttime, RBB in north-northeast direction and surrounding green area have effects.

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