Ring current space time inhomogeneities observed during intense geomagnetic storms

Silbergleit, V. and González, A. (2009) Ring current space time inhomogeneities observed during intense geomagnetic storms. Acta Geodaetica et Geophysica Hungarica, 44 (2). pp. 149-156. ISSN 1217-8977

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Abstract

The behavior of the horizontal component of the magnetic field obtained by ground magnetometers for three intense magnetic storms that happened during the occurrence of continual auroral activity (HILDCAAs) was studied through a UT-LT analysis. The considered storm periods were August 26–28, 1998, October 21–23, 1999 and April 6–8, 2000. Five minute resolution data were taken from six magnetic observatories, with approximately uniform longitudinal distribution. The results were compared with some interplanetary parameters such as velocity of solar wind, south component of interplanetary magnetic field.

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