Heat content change in the surface isothermal layer of a warm core ring in the sea east of Japan |
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Authors: | Takashi Yoshida Mizuho Hoshimoto |
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Institution: | (1) Office of Marine Prediction, Japan Meteorological Agency, Tokyo 100-8122, Japan |
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Abstract: | Heat content change in the surface isothermal layer of a typical warm core ring in the sea east of Japan is described based
on approximately 90 CTD profiles obtained by one profiling float. Erosion of the seasonal thermocline and development of a
surface isothermal layer from the mid-summer to the early winter of 1999 are clearly seen. While heat content change between
two consecutive profiles with a 35-hour time interval is much noisier, its 10-day running mean is consistent with net surface
heat flux, indicating that surface heat flux dominates the temporal heat content change in the surface isothermal layer in
the warm core ring. |
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Keywords: | Mixed layer isothermal layer heat flux warm core ring the sea east of Japan profiling float |
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