Diamagnetic plasmoids as part of diamagnetic structures of the slow solar wind and their impact on Earth's magnetosphereстатьяИсследовательская статья
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Аннотация:We have shown that diamagnetic structures (DSs), which form the basis of the slow quasi-stationary solar wind (SW), are observed in Earth’s orbit as a sequence of DSs of various scales. The analysis of this phenomenon indicates that diamagnetic plasmoids in SW, whose concept was introduced by Karlsson in 2015, are identical to small-scale DSs. We have found that the impact of a sequence of DSs in the slow SW on Earth’s magnetosphere causes an increase in geomagnetic activity. Isolated DSs generate short-term magnetic disturbances whose duration is approximately equal to the DS duration. Hence, a sequence of DSs can cause sawtooth substorms. We emphasize that the inter-action of DS in the slow SW under northward interplan-etary magnetic field can be associated with penetration of DS high-density plasma into the magnetosphere.