Abstract

The observation using mooring system (Electromagnetic current meters, Temperature-Salinity meters and Fluorescence-Turbidity meter) at the set net and mounted Acoustic Doppler Current Profiler (ADCP) on the Suruga-wan ferry were performed in the inner part of the Suruga Bay to monitoring of current variation. The vertical profile of a strong current, the maximum current about 30cm/s, caused by the middle layer intrusion of the Kuroshio warm water was observed with ADCP mounted on the bottom of ferry boat in the summer 2008. After the middle layer intrusion of the Kuroshio water, the internal wave with large amplitude was occurred. The maximum current speed was about 80 cm/s at the eastern part of the bay and the period was half a day. The Kuroshio warm water changed vertical density profile and amplified internal wave.

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