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Seasonal variations of water temperature and salinity in Osaka Bay

  • Tetsuo Yanagi
Short Contribution

Abstract

The characteristics of seasonal variations of water temperature, salinity and density in the upper, middle and lower layers in Osaka Bay are described. Osaka Bay is considered to be an estuary, because the weak mixed state appears in spring and summer and the moderate mixed state in autumn and winter. Osaka Bay is divided into three areas, the eastern shallow area that has a large amplitude of seasonal variation of water temperature and low average salinity, the southwestern deep area which has small amplitude of seasonal variation of water temperature and high average salinity, and the northwestern deep area, which has small amplitude of seasonal variation of water temperature and low average salinity.

Keywords

Water Temperature Seasonal Variation Average Salinity Lower Layer Large Amplitude 
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References

  1. Miyazi, K. and Y. Nagata (1979): Seasonal variation of the surface water temperature of Ariake Bay. Bulletin on Coastal Oceanography,17, 61–67 (in Japanese).Google Scholar
  2. Oonishi, Y. (1979): A numerical experiment on the residual flow in Osaka Bay. Proc, 26th Conf. on Coastal Engineering, JSCE, 514–518 (in Japanese).Google Scholar
  3. Osaka Prefectural Fisheries Observatory (1978–1982): Reports on Works of Prediction for the Fisheries Conditions.Google Scholar
  4. Yanagi, T. (1984): Seasonal variation of water temperature in the Seto Inland Sea. J. Oceanogr. Soc. Japan,40, 445–450.Google Scholar

Copyright information

© Oceanographical Society of Japan 1987

Authors and Affiliations

  • Tetsuo Yanagi
    • 1
  1. 1.Department of Ocean EngineeringEhime UniversityMatsuyamaJapan

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