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Fig. 1 | Earth, Planets and Space

Fig. 1

From: Global distribution of magnetic ripples and electron density fluctuations as observed by the Swarm satellites on the dayside and their relation to the rainfall estimated by the GSMaP

Fig. 1

Tracing of IGRF-2015 model field to find the ground location, P0, P1 and P2, to pick-up the rainfall data and compare with satellite observation. A schematic illustration on the relation among 'dipole equator', 'dip equator', ‘dipole latitude; δ’ and ‘Apex latitude; α’. Apex latitude is defined as \({\alpha }={cos}^{-1}(\surd (1/La)),\) where \(La\) is the L value at the Apex point, which is defined as the most distant point from the center of the Earth, along a geomagnetic field line of force

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