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Fig. B.1

image

δrv2 for the four different models of the line width. From bottom to top these are the 6000 K line width (green), the 8000 K line width (blue), the 104 K line width (pink) and the randomly distributed temperature model (red). The solid line shows the structure function calculated from the horizontal velocity increments and the dashed line the structure function calculated from the vertical velocity increments. It should be noted that that other than the 6000 K distribution, the others have been rescaled to allow for them to be plotted clearly. To highlight the similarity in the scalings of the four distributions, two power laws have been overplotted: r1/2 in the dot-dash line and r1 in the triple dot-dash line. The triangles and diamonds show the range over which respectively Exponent 1 and Exponent 2, as shown in Table B.1, are calculated.

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