The temporal and spatial variations of low frequency geomagnetic pulsations at polar cusp and cap latitudes

Geomagnetic field measurements at two Antarctic stations are compared during two weeks in the local summer (January 1-15, 1992). Low frequency (0.6-6 mHz) pulsations are observed at each station near local magnetic noon. The same wave packets appear in some cases also at the other station, although...

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Bibliographic Details
Published in:Annals of Geophysics
Main Authors: J. Bitterly, O. V. Kozyreva, U. Villante, P. Francia, N. G. Kleimenova, J. J. Schott
Format: Article in Journal/Newspaper
Language:English
Published: Istituto Nazionale di Geofisica e Vulcanologia (INGV) 1999
Subjects:
Geomagnetic pulsations
Antartica
Meteorology. Climatology
QC851-999
Geophysics. Cosmic physics
QC801-809
Antarctic
Antarc*
antartic*
Online Access:https://doi.org/10.4401/ag-3747
https://doaj.org/article/626de263baad44f482d5fa83cefec1f4
Description
Summary:Geomagnetic field measurements at two Antarctic stations are compared during two weeks in the local summer (January 1-15, 1992). Low frequency (0.6-6 mHz) pulsations are observed at each station near local magnetic noon. The same wave packets appear in some cases also at the other station, although with a significant attenuation, more clearly in the morning sector; the waves show a near noon reversal of the polarization sense from counter-clockwise in the morning to clockwise in the afternoon indicating a westward and an eastward propagation, respectively.

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