Physics
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ge%26ae..33..145z&link_type=abstract
Geomagnetizm i Aeronomiya (ISSN 0016-7940), vol. 33, no. 2, p. 145-150.
Physics
Energy Spectra, Geomagnetism, Kelvin-Helmholtz Instability, Magnetic Storms, Magnetospheric Instability, Atmospheric Boundary Layer, Magnetic Variations
Scientific paper
Digital magnetic-variation data from polar, auroral, and midlatitude stations indicate that the energy spectra of very large storms have a uniform structure at all latitudes from 20 to 80 deg, with four maxima in the 20-30, 30-40, 40-50, and 50-60 min intervals. It is suggested that the high-frequency maxima arise because of the finite thickness of the low-latitude boundary layer of the magnetosphere on the spectrum of Kelvin-Helmholtz instability waves.
Ivanov K. G.
Odintsov V. I.
Zajtsev A. N.
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