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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 6 | Geoscience Letters

Fig. 6

From: Transmission of the electric fields to the low latitude ionosphere in the magnetosphere-ionosphere current circuit

Fig. 6

Convection (E 1) and shielding (E 2) electric fields shown with the solid and dotted lines, respectively, at the (top) auroral and (bottom) subauroral latitudes as deduced from the electric field measured by EISCAT and IMAGE magnetometer array data. The convection electric field dominates over the shielding electric field at both latitudes during the growth phase (DP2), while the shielding electric field is intensified and dominates over the convection electric field at subauroral latitude with reduced magnitude (0.4 E 1) because of the geometrical attenuation during the substorm identified with the midnight Pi2. (from Fig. 8 of Kikuchi et al. 2000)

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