Open AccessAdvantages of electric circuit models for treating the substorm breakup problem
Author(s) -
Block L. P.,
Fälthammar C.G.,
Rothwell P. L.,
Silevitch M. B.
Publication year - 1998
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/97ja03684
Subject(s) - substorm , breakup , geophysics , physics , electric field , interplanetary magnetic field , interplanetary spaceflight , current (fluid) , magnetic field , instability , generator (circuit theory) , mechanics , geology , magnetosphere , solar wind , power (physics) , quantum mechanics , thermodynamics
It is shown, by using a circuit model for the magnetospheric current system, that the substorm breakup can be triggered either by some instability anywhere in the circuit or by a decrease in the generator emf, i.e., a northward turning of the interplanetary magnetic field.