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Propagation mechanism of daytime Pc 3-4 pulsations observed at synchronous orbit and multiple ground-based stationsObservational data obtained during the last two decades show that the amplitude of daytime Pc 3-4 magnetic pulsations is controlled by the solar wind conditions. The high degree of correlation between the solar wind parameters and Pc 3-4 pulsations in the dayside magnetosphere suggests that the ultimate cause of the daytime Pc 3-4 pulsations must be the interaction of the solar wind with the earth's magnetosphere. The present paper is concerned with details regarding the control of the properties of the Pc 3-4 pulsations by the solar wind parameters, taking into account observations made at multiple ground-based stations. It is attempted to establish the relation between the daytime Pc 3-4 pulsations at the ground stations and the compressional Pc 3-4 waves in the magnetosphere. Attention is given to the most probable propagation mechanism of the daytime Pc 3-4 pulsations in the magnetosphere.
Document ID
19850058044
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Yumoto, K.
(Tohoku Univ. Sendai, Japan)
Saito, T.
(Onagawa Magnetic Observatory; Tohoku University Sendai, Japan)
Akasofu, S.-I.
(Alaska, University Fairbanks, United States)
Tsurutani, B. T.
(Tohoku Univ. Sendai, Japan)
Smith, E. J.
(California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1985
Publication Information
Publication: Journal of Geophysical Research
Volume: 90
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
85A40195
Distribution Limits
Public
Copyright
Other

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