Growth rate and decay of magnetospheric ring current |
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Authors: | MI Pudovkin SA Zaitseva LZ Sizova |
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Institution: | Institute of Physics, Leningrad University, Leningrad—Stary Petergof 198904, U.S.S.R.;IZMIRAN, Troitsk, 142092, U.S.S.R. |
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Abstract: | The rate of energy input to the ring current is studied as a function of solar wind parameters. The ring current dissipation rate is also examined. The decay constant τ in the main phase of a storm has been shown to be independent of its intensity and to equal (4 ± 2) h. In the recovery phase τ rises with increasing storm intensity. |
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