Fig. 8
Relative difference (cyan for cycles 7 and 9, and blue for cycles 8 and 10) and absolute difference (magenta for cycles 7 and 9 and red for cycles 8 and 10) between the GF-smoothed GSN-S in the northern wing (GSN-SN) and the southern wing (GSN-SS). Vertical lines denote times of minima based on Table 2. Grey areas denote wing overlap times.
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