Figure 2: Descending halo structure observed in a halo modelling. | Nature Communications

Figure 2: Descending halo structure observed in a halo modelling.

From: Plasma irregularities in the D-region ionosphere in association with sprite streamer initiation

Figure 2

(a) Ambient electron density and the plasma irregularity in the simulation domain. (b,c) Halo emissions from the first positive band system of N2 at t=0.7 and 1.2 ms, respectively, between which the bright portion descends downward at average speed of 7.6 × 106 m s−1. (d) A 1.4-ms image time series of the modelled halo structure.

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