Fig. 6From: Ionospheric responses to the 21 August 2017 solar eclipse by using data assimilation approachEclipse-induced enhancement on the eastward and westward electric fields at the low- and mid-latitudes, respectively. The red-dotted line indicates the effect range of the solar eclipse. The markers of “+” and “−” in the red color indicate positively and negatively charged particles, respectively. The orange-dotted line indicates the induced electric fieldBack to article page