The Kyucho [Sndden increase of the ocean currents] in Suruga Bay [Japan] detected from the steep temperature rise
2003
Inaba, H. (Tokai Univ., Shizuoka (Japan). School of Marine Science and Technology) | Katsumata, T.
In middle November 1993 and early January 1994, steep temperature rises about 4. 5 deg C for a few days were observed in the eastern part of the mouth of Suruga Bay and the western part of the bay head. The temperature rises in the eastern part of the bay mouth were influenced by the intrusion of the Kuroshio warm water. The intruded warm water into the bay moved cyclonically along the bay coast. Therefore, the two steep temperature rises can be called the Kyucho. The intrusion of the Kuroshio warm water into the bay can be caused by the northward shift of the Kuroshio path off the bay. The moving speeds of the warm water estimated from the time lag of steep temperature rises and the distance between two mooring stations in middle November 1993 and early January 1994 were 39 cm seeE-1 and 38 cm secE-1, respectively. The estimated speeds were about half that in early March 1992 (Inaba et al., 2003). The temperature variations induced. by the Kyucho has little effect on the sea level variation in the bay.
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