Actual condition of urban heat island in Tokyo metropolis in summer daytime and its formative factors

Hiroaki Yamato; Hideo Takahashi; Takehiko Mikami

doi:10.14866/ajg.2012s.0_100057

Annual Meeting of the Association of Japanese Geographers, Spring 2012

Session ID : S1401

DOI https://doi.org/10.14866/ajg.2012s.0_100057

Conference information

Host: The Association of Japanese Geographers

Abstract

Actual condition of urban heat island in Tokyo metropolis in summer daytime and its formative factors

*Hiroaki Yamato, Hideo Takahashi, Takehiko Mikami

Author information

Keywords: Urban climate, Tokyo metropolis, High density temperature observation system, Sea-breeze front

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Abstract

We analyzed the temperature distribution of Tokyo Metropolis on summer using high-density temperature observation system (E-METROS). When a typical sea-breeze front was found in Tokyo Ward's area, high temperature area was detected around Kawagoe city. A penetration speed of the sea-breeze front was slower leeward of central Tokyo. As a result, the downdflow region in front of the sea-breeze front had been located in Kawagoe city for a lengthy period, temperatures tended to be higher.

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