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Fig. 4 | Earth, Planets and Space

Fig. 4

From: Relative contributions of large-scale and wedgelet currents in the substorm current wedge

Fig. 4

a Azimuthal spectra of the upward/downward currents integrated over latitude. The dots and thin lines correspond to individual events, and the thick line shows the median. a All events. b Same as Panel a but color-coded with \(I_{\text{WL}} /I_{\text{LS}} > 1\) (pink) and \(I_{\text{WL}} /I_{\text{LS}} < 1\) (green). c Same as Panel a but color-coded with \(I_{\text{WL}} /I_{\text{LS}} > 0.5\) (pink) and \(I_{\text{WL}} /I_{\text{LS}} < 0.5\) (green). d Same as Panel a but color-coded with \(I_{\text{WL}} /I_{\text{LS}} > 1.5\) (pink) and \(I_{\text{WL}} /I_{\text{LS}} < 1.5\) (green). \(I_{\text{WL}}\) and \(I_{\text{LS}}\) are peak power spectral density below 1000 km (indicator of the wedgelet component) and above 1000 km (indicator of the large-scale component) wavelengths

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