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Geofísica internacional
versión On-line ISSN 2954-436Xversión impresa ISSN 0016-7169
Resumen
ARANCIBIA RIVEROS, K; STEPANOVA, M; BOSQUED, J. M. y ANTONOVA, E. E.. Study of the turbulence in the central plasma sheet during August 24-28 geomagnetic storm using the CLUSTER satellite data. Geofís. Intl [online]. 2008, vol.47, n.3, pp.265-271. ISSN 2954-436X.
We used the local Intermittency Measure Technique based on the wavelet transform to study plasma velocity fluctuations measured by CLUSTER II Ion Spectrometry experiment during August 24-28 geomagnetic storm. The results obtained showed a significant increase in the level of intermittent turbulence at the end of main phase. It can be related to a significant increase in the substorm activity, and stretching of the geomagnetic field lines observed during the main phase. This fact is important for understanding the nature of geomagnetic storms.
Palabras llave : Magnetosphere of the Earth; turbulence; geomagnetic storm; plasma sheet; eddy diffusion coefficient; intermittency.