Fig. 19

Base-10 logarithm of the ambipolar diffusion coefficient in function of the altitude. Comparison between numerical simulations from present work (marker ) and fits to observed radio signal decays: Greenhow & Hall (1961) (dashed blue line), Jones & Jones (1990) (dashed red line), Galligan et al. (2004) (solid black line). Contour lines from the AMOR data correspond to the number of detections.
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