Fig. 22

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Simulations of F-UT patterns sorted by the polarity of the average IMF [BY]GSEQ component during the prior hour. The top row shows the Russell-McPherron patterns PRM(F, UT) in normalised power input into the magnetosphere simulated using the eccentric dipole geomagnetic field model for 2002 with (a) [BY]GSEQ = +|B|, (b) [BY]GSEQ = −|B|, and (c) an equal mix of [BY]GSEQ = +|B| and [BY]GSEQ= −|B|. The middle panels show the corresponding modelled patterns of Pm(F, UT) = PRM(F, UT) · Pψ(F, UT) · PNS(UT). The observed patterns in aσ(midn) data shown in the bottom panels are for (g) [BY]GSEQ < 0, (h) [BY]GSEQ > 0 and (i) all data.
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