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Fig. 8.

image

Ratio between average power within vortex-related areas and average power within the selected QSR (see Fig. 1) for different Hα wavelengths, Hα Doppler velocity, and Hα FWHM. The black line corresponds to the ratio for the whole vortex area, and the colour lines correspond to ratios within swirls that are denoted with the same colours in Fig. 1.

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