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Evidence for the control of Pc 3,4 magnetic pulsations by the solar wind velocity
Author(s) -
Singer H. J.,
Russell C. T.,
Kivelson M. G.,
Greenstadt E. W.,
Olson J. V.
Publication year - 1977
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl004i009p00377
Subject(s) - magnetopause , solar wind , amplitude , physics , geophysics , instability , atmospheric sciences , astrophysics , computational physics , magnetic field , mechanics , optics , quantum mechanics
The amplitude of Pc 3,4 magnetic pulsations at Calgary is shown to increase as the solar wind velocity increases. The pulsation amplitude dependence on solar wind velocity can be understood in terms of the Kelvin‐Helmholtz instability at the magnetopause boundary.