Open Access

Fig. 6


Download original image

Illustration of the direction of an eastward plasma drift (gray arrow) during the pre-daybreak and post-daybreak hours, which is toward increasing MLT, and the density variation of the corotating plasma due to the dominant effects of recombination before daybreak (empty arrow) and photoionization after daybreak (black arrow).

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.