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Fig. 7


Volumetric heating rates over geometrical height for the bright loop (red in Fig. 2) for the three parameterisations. The black dots show the actual heating rates along the field lines. The straight lines display the best exponential fit according to Eq. (4). The resulting scale height for the heating rate, λi, is listed. For comparison the exponential drop of the Alfvénic heating is over-plotted (in arbitrary units). See Sect. 5.

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