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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Extracting clearer tsunami currents from shipborne Automatic Identification System data using ship yaw and equation of ship response

Fig. 2

Schematic of speed over ground (SOG), course over ground (COG), ship heading (HDG), and rate of turn (ROT). HDG-normal and HDG-parallel components of the ship velocity are \(v_{\text{n}} = {\text{SOG sin(COG}} - {\text{HDG)}}\) and \(v_{\text{p}} = {\text{SOG cos(COG}} - {\text{HDG)}}\), respectively. Tsunami currents in both the components are attached

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