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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 5
Nonlin. Processes Geophys., 12, 733–739, 2005
https://doi.org/10.5194/npg-12-733-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Special issue: Nonlinear and multiscale phenomena in space plasmas

Nonlin. Processes Geophys., 12, 733–739, 2005
https://doi.org/10.5194/npg-12-733-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  29 Jul 2005

29 Jul 2005

Avalanches in bi-directional sandpile and burning models: a comparative study

M. Gedalin1, M. Bregman1, M. Balikhin2, D. Coca2, G. Consolini3, and R. A. Treumann4 M. Gedalin et al.
  • 1Ben-Gurion University, Beer-Sheva, Israel
  • 2ACSE, University of Sheffield, Sheffield, UK
  • 3Ist. Fisica Spazio Interplanetario, Istituto Nazionale di Astrofisica, Rome, Italy
  • 4Max-Planck-Institute for Extraterrestrial Physics, Garching, Germany

Abstract. We perform a statistical analysis of two one-dimensional avalanching models: the bi-directional sandpile and the burning model (described in detail in the companion paper by Gedalin et al. (2005) "Dynamics of the burning model"). Such a comparison helps understand whether very limited measurements done by a remote observer may provide sufficient information to distinguish between the two physically different avalanching systems. We show that the passive phase duration reflects the avalanching nature of the system. The cluster size analysis may provide some clues. The distribution of the active phase durations shows a clear difference between the two models, reflecting the dependence on the internal dynamics. Deeper insight into the active phase duration distribution even provides information about the system parameters.

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