Physics
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jatp...43..975k&link_type=abstract
(European Geophysical Society, Annual Meeting on Geomagnetic Pulsations, 7th, Budapest, Hungary, Aug. 24-29, 1980.) Journal of A
Physics
2
Geomagnetic Micropulsations, Ionospheric Propagation, Polar Substorms, Radio Auroras, Magnetic Signatures, Polarization Characteristics, Power Spectra, Radar Detection
Scientific paper
Radioauroral pulsations at T approximately equal to 4.5 s have been observed during a substorm. They appear as poleward propagating waves. The most intense Pi magnetic pulsations occur at T approximately equal to 9 s. Using the transformation theory of hydromagnetic waves through the ionosphere, it is concluded that the radioauroral pulsations have been generated by the electric field pulsations associated with intense poleward propagating hydromagnetic waves. Polarization characteristics of magnetic pulsations observed on the ground are also shown to be in agreement with this interpretation.
Kangas Jorma
Kustov A. V.
Leinonen Jussi
Pudovkin A. I.
Raspopov Oleg M.
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