Abstract

Newly developed GPS buoy system, applying the RTK-GPS techniques to measure the exact movement of the offshore floating buoy, is supposed to be the future principal offshore wave and tsunami observation equipment for Japanese NOWPHAS (Nationwide Ocean Wave information network for Ports and HArbourS). By installing a wind gauge at the top of the buoy, offshore wind information is also applicable, which is important for various offshore economical activities such as fishery, clean energy development etc., with proper correction of the observed data with consideration of the buoy motion effects. This paper introduces results of study on buoy motion correcting methods by using proto-type data obtained off-Muroto-Misaki.

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