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Earth, Planets and Space
Figure 4 | Earth, Planets and Space

Figure 4

From: Sensitivity of geomagnetically induced currents to varying auroral electrojet and conductivity models

Figure 4

Example GIC generated from three of electrojet positions (North Scotland; Northern England; London). GIC for the 200-year return event with a period of 600 s and electric field models generated using different combinations of 2D (rows) conductivity models and the 1D General Model. Circle size indicates GIC relative to the 50-A scale. Blue colour shows nodes where current enters the grid; red shows current entering the ground.

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