<紀要論文>
大槌湾における風・波浪のリアルタイムモニタリング

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概要 A monitoring of wind and surface wave was started at October 2012 using a mooring buoy with a ultrasonic anemometer and a GPS wave sensor in Otsuchi Bay, Iwate, Japan. Horizontal wind velocity is obse...rved hourly for 600 s in 0.5 s interval, and height, period and direction of surface waves are estimated hourly from three dimensional displacement of the buoy for 1200 s in 0.4 s interval. Statistic data such as mean wind speed and direction, significant wave height, period and direction are distributed hourly in real-time via internet with a chart of time series, and they are utilized for decision of going fishing by fishermen around the Bay. Analysis in the period of the first three months revealed that waves in Otsuchi Bay were predominantly affected by swells propagated from northeastern offshore region and that the significant wave height is significantly correlated with wind velocity toward Otsuchi Bay in the northeastern offshore region faced on the Bay mouth.続きを見る

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登録日 2015.10.08
更新日 2023.02.27

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