dorsal/arxiv
View SchemaScaling and singularity characteristics of solar wind and magnetospheric fluctuations
| Authors | Z. Vörös, D. Jankovičová, P. Kovács |
|---|---|
| Categories | |
| ArXiv ID | physics/0411055 |
| URL | https://arxiv.org/abs/physics/0411055 |
| DOI | 10.5194/npg-9-149-2002 |
| Journal | Nonlinear Processes in Geophysics, 9, 2002, 149-162 |
Abstract
Preliminary results are presented which suggest that scaling and singularity characteristics of solar wind and ground based magnetic fluctuations appear to be a significant component in the solar wind - magnetosphere interaction processes. Of key importance is the intermittence of the "magnetic turbulence" as seen in ground based and solar wind magnetic data. The methods used in this paper (estimation of flatness and multifractal spectra) are commonly used in the studies of fluid or MHD turbulence. The results show that single observatory characteristics of magnetic fluctuations are different from those of the multi-observatory AE-index. In both data sets, however, the influence of the solar wind fluctuations is recognizable. The correlation between the scaling/singularity features of solar wind magnetic fluctuations and the corresponding geomagnetic response is demonstrated in a number of cases. The results are also discussed in terms of patchy reconnection processes in magnetopause and forced or/and self-organized criticality (F/SOC) of internal magnetosphere dynamics.
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"abstract": "Preliminary results are presented which suggest that scaling and singularity\ncharacteristics of solar wind and ground based magnetic fluctuations appear to\nbe a significant component in the solar wind - magnetosphere interaction\nprocesses. Of key importance is the intermittence of the \"magnetic turbulence\"\nas seen in ground based and solar wind magnetic data. The methods used in this\npaper (estimation of flatness and multifractal spectra) are commonly used in\nthe studies of fluid or MHD turbulence. The results show that single\nobservatory characteristics of magnetic fluctuations are different from those\nof the multi-observatory AE-index. In both data sets, however, the influence of\nthe solar wind fluctuations is recognizable. The correlation between the\nscaling/singularity features of solar wind magnetic fluctuations and the\ncorresponding geomagnetic response is demonstrated in a number of cases. The\nresults are also discussed in terms of patchy reconnection processes in\nmagnetopause and forced or/and self-organized criticality (F/SOC) of internal\nmagnetosphere dynamics.",
"arxiv_id": "physics/0411055",
"authors": [
"Z. V\u00f6r\u00f6s",
"D. Jankovi\u010dov\u00e1",
"P. Kov\u00e1cs"
],
"categories": [
"physics.space-ph",
"physics.plasm-ph"
],
"doi": "10.5194/npg-9-149-2002",
"journal_ref": "Nonlinear Processes in Geophysics, 9, 2002, 149-162",
"title": "Scaling and singularity characteristics of solar wind and magnetospheric fluctuations",
"url": "https://arxiv.org/abs/physics/0411055"
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