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Effect of field-aligned currents in the polar cap at the recovery phase of a magnetic storm |
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| Authors: | Sh Sh Dolginov Y I Feldstein L V Strunnikova |
| Institution: | Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Izmiran, Moscow, U.S.S.R. |
| Abstract: | Unusually great fluctuations in the ΔB module of the geomagnetic field have been observed in the polar cap from the satellite Cosmos-321. They are explained by small-scale two-sheet field-aligned current systems which exist during the periods when magnetic fields having a considerable northward Bz(Bz  10 nT) component are observed in interplanetary space. |
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