Comparison of the changes in temperatures among rural, Urban and metropolitan areas around the Inland Sea in Japan

Nobuyuki Miyatake, Noriko Sakano, Shoko Murakami, Shigeru Suna, Takeshi Suzue, Tomohiro Hirao

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We investigated the changes in temperatures in Takamatsu, Tadotsu and Osaka areas in Japan. Data of temperatures in Takamatsu (urban area: 1942-2009), Tadotsu (rural area: 1893-2009) and Osaka (metropolitan area: 1883-2009) areas around the Inland Sea in Japan was obtained from Japan Meteorological Agency. The changes in temperatures in three areas in Japan were analyzed and compared. By using data from 1942 to 2009, various parameters of temperatures were significantly correlated with years. The changes in mean temperature in August and in a year in Takamatsu area for 50 years were highest (August: 1.6°C, Year: 1.8°C) among three areas. In addition, correlation coefficient rate between years and the number of days over the level of 34°C in August in Takamatsu area was highest (r = 0.567, p < 0.0001). Parameters of temperatures were gradually increased with years in all three areas. The heat island effect in Takamatsu area was similar to Osaka area in Japan.

Original languageEnglish
Pages (from-to)525-530
Number of pages6
JournalEnvironmental Monitoring and Assessment
Volume181
Issue number1-4
DOIs
Publication statusPublished - Oct 2011

Keywords

  • Heat island
  • Inland Sea
  • Japan
  • Temperature

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

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