alexa Dynamical complexity in Dst time series using non-extensive Tsallis entropy
Geology & Earth Science

Geology & Earth Science

Journal of Earth Science & Climatic Change

Author(s): balasis G

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Nonlinearly evolving dynamical systems, such as space plasmas, generate complex fluctuations in their output signals that reflect the underlying dynamics. The non-extensive Tsallis entropy has been proposed as a measure to investigate the complexity of system dynamics. We employ this method for analyzing Dst time series. The results show that Tsallis entropy can effectively detect the dissimilarity of complexity between the pre-storm activity and intense magnetic storms (Dst < −150 nT), which is convenient for space weather applications.

This article was published in Geophysical Research Letters and referenced in Journal of Earth Science & Climatic Change

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