Fig. 3.
Top and middle panels: comparison of the kernels for 
and 10 (blue and black, respectively) computed using the method here (solid lines) and the method of Gizon et al. (2017; dots). Bottom panel: travel times 
due to the radial (red) and the latitudinal (green) components of the flow for each 
of the kernels presented here (solid line) and those of Gizon et al. (2017; dots).
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