Tidal current

Installed tide meters	・One day-night observation and 15 consecutive day-night observation （Observation with ADCP・Electromagnetic flow meter） ・Drifting stick tracking survey ・Simple flow condition observation (direct observation from on board)
・One day-night observation・15 consecutive day-night harmonic decomposition ・Calculation for tide prediction ・Analysis of tide simulation ・Calculation for diffusion prediction	ADCP・Electromagnetic flow meter