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This paper introduces basic design of the GPS buoy multi-purpose data processing system for offshore information. The system consists of real-time tsunami detection, directional wave analysis, infragravity wave analysis, offshore wind observation, and current observation. For real-time tsunami detection, applicability of the GPS buoy system using the proposed numerical filtering techniques was confirmed...
This paper explained characteristics of the observed offshore wave, tsunami and tide data for the half year in 2007, obtained by the two sets of the GPS buoy system installed off the Northern Pacific Coast of Japan by the Ports and Airports Department of the Tohoku Regional Development Bureau of the Ministry of Land, Infrastructure and Transport Japan. Two sets of the GPS buoy successfully observed,...
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