Resonators for hydromagnetic waves in the magnetosphere
نویسندگان
چکیده
منابع مشابه
The Structure of Hydromagnetic Shock Waves
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15 صفحه اولIs the Magnetosphere a Lens for Mhd Waves?
A novel viewpoint of the magnetosphere as a lens for MHD waves is presented. Using a simple model of the variation of the Allyen speed as proportional to the local magnetic field value given by the Earth's dipole field and that due to the magnetopause currents represented by a current loop, it is found that the near-Earth magnetotail, in the range 8 16 RE, is the focus of the magnetospheric len...
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We show that the Doppler shift on whistler mode signals from VLF transmitters may be used to infer the magnetic field of an hydromagnetic wave above the ionosphere in the magnetosphere. This inferred field can then be compared with that measured on the ground. We examine one event in detail and show the data imply that a it/2 rotation of the orientation of the wave ellipse has occurred between ...
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The study of properties of propagation of interplanetary shocks into the Earth’s magnetosphere is significant to improve our understanding of the Sun-Earth system. The interplanetary shocks interact with the bow shock and cause pressure pulses on the magnetopause and its movement, launching different waves into the magnetosphere. In our study we used a set of more than 40 fast forward shocks to...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Space Physics
سال: 1998
ISSN: 0148-0227
DOI: 10.1029/97ja02193