Open Access
Fig. 2.

Download original image
Radial evolution of the electron VDF from the exobase (1.2 Rs in our model) to 1 AU (∼215 Rs) modeled by including diffusion for electrons. Region D represents the electron diffusion region where ζ = 0.1 was assumed.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.