Resonance structure and mode transition of quarter-wave ULF pulsations around the dawn terminator

Quarter‐wave modes are standing shear Alfvén waves supported along geomagnetic field lines in space. They are predicted to be generated when the ionosphere has very different conductance between the north compared with the south ionosphere. Our previous observation reported that the resonant frequen...

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Veröffentlicht in:	Journal of geophysical research. Space physics 2015-06, Vol.120 (6), p.4194-4212
Hauptverfasser:	Obana, Yuki, Waters, Colin L., Sciffer, Murray D., Menk, Frederick W., Lysak, Robert L., Shiokawa, Kazuo, Hurst, Anthony W., Petersen, Tanja
Format:	Artikel
Sprache:	eng
Schlagworte:	Alfven waves Computer simulation Conversion Damping Darkness Daytime Eigenfrequencies Energy dissipation Field line resonance Geomagnetic field Geomagnetism Geophysics Ionosphere Magnetic fields magnetic pulsation Magnetohydrodynamics Magnetometers magnetosphere magnetosphere-ionosphere coupling Northern Hemisphere plasmasphere Resistance Resonance Resonant frequencies ULF ULF waves Very Low Frequencies
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