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Figure 1 | Earth, Planets and Space

Figure 1

From: Observatory geoelectric fields induced in a two-layer lithosphere during magnetic storms

Figure 1

Time series recording the Halloween storm of 29 October - 31 October 2003, each with 1-s resolution.(a) Measured Kakioka geomagnetic variation relative to a quiet baseline, measured north \({B_{x}^{m}}\) (blue) and measured east \({B_{y}^{m}}\) (green); (b) east Kakioka geoelectric field variation, measured \({E_{y}^{m}}\) (black) and estimated G E y (purple); (c) residual difference d y ; (d) the parts of estimated G E y corresponding to induction in the top layer of the lithospheric model (red) and the lower half-space (gray); (e) north Kakioka geoelectric field variation, measured \({E_{x}^{m}}\) (black) and estimated G E x (purple); (f) residual difference d x ; and (g) the parts of estimated G E x corresponding to induction in the top layer of the lithospheric model (red) and the lower half-space (gray).

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