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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Estimation of geomagnetically induced currents based on the measurement data of a transformer in a Japanese power network and geoelectric field observations

Fig. 7

Geoelectric fields observed at the Memanbetsu Observatory with the GIC data of the December 14–15, 2006 storm. Angle is 0° for the north and increases clockwise. Block lines and crosses show the 1-min data, and red lines and dots in the figure show the 1-s data. The blue line is the estimated GIC using the 1-min geoelectric field data

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