The effect of wind on long-term summer water temperature trends in Tokyo Bay, Japan

Li Feng Lu*, Ryo Onishi, Keiko Takahashi

*この研究の対応する著者

研究成果査読

4 被引用数 (Scopus)

抄録

The effect of wind on summer water temperature trends in a semi-closed bay (Tokyo Bay, Japan) is examined through several numerical experiments using a high-resolution three-dimensional ocean model. The model is executed under no-wind and uniform southerly/northerly wind conditions, and monthly mean currents and temperature distributions and heat transport in Tokyo Bay for July are calculated. The model results show that wind has a significant effect on heat transport and temperature distribution in the bay. (1) When a southerly wind prevails northward cool water transport intensifies while southward warm water transport declines, thus decreasing the water temperature in the central bay area while increasing temperature at the bay head. (2) A northerly wind has an opposing effect and decreases the water temperature in coastal bay head area while increase the temperature along the southwest coast. The results also suggest that the trend of increasing southerly wind amplitude may have affected water temperature trends in Tokyo Bay from 1979 to 1997. The model results demonstrated that the an intensified southerly wind lowers water temperatures in most areas of the bay by enhancing upwelling and open ocean-water intrusion near the bay mouth while increases temperatures in the bottom layer of the bay head by suppressing southward warm water transport.

本文言語English
ページ(範囲)919-930
ページ数12
ジャーナルOcean Dynamics
65
6
DOI
出版ステータスPublished - 2015 6 26
外部発表はい

ASJC Scopus subject areas

  • 海洋学

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