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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Near real-time monitoring of flow velocity and direction in the floating ice tongue of the Shirase Glacier using low-cost GPS buoys

Fig. 5

Short-term velocity vectors derived from a 72-hour sliding window analysis. (a) Phasor plot of short-term velocity vectors with an exaggerated error interval. Black rectangles show periods when the daily mean wind velocity recorded at Syowa Station exceeded 10 m/s. (b) Histograms showing the magnitude of velocity vectors. (c) Rose diagrams showing the azimuth of velocity vectors. (d) Autocorrelation analysis of both north-south (NS) and east-west (EW) components of the short-term velocity vectors. The dotted lines indicate 90% confidence intervals. (e) Cross-correlations of each NS and EW component of the short-term velocity vectors with the daily mean wind velocity data recorded at Syowa Station.

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