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Reconstruction of Extreme Geomagnetic Storms: Breaking the Data Paucity Curse

Merkin, V. G.; Sitnov, M. I.; Roelof, E. C. +5 more

Reconstruction of the magnetic field, electric current, and plasma pressure is provided using a new data mining (DM) method with weighted nearest neighbors (NN) for strong storms with the storm activity index Sym-H < -300 nT, the Bastille Day event (July 2000), and the 20 November 2003 superstorm. It is shown that the new method significantly r…