Fig. 13
From: Simulation study of near-Earth space disturbances: 2. Auroral substorms
a Divergence of the Hall current JH, b divergence of the Pedersen current JP, and c the ratio (div JH + div JP)/|div JH| (= − div J||/|div JH|). The contour lines indicate the field-aligned current with an interval of 0.05 μA/m2. (Adapted from Ebihara and Tanaka 2015a)