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Dissipation scales in the Earth's plasma sheet estimated from Cluster measurements
1Space Research Institute, Austrian Academy of Sciences, Graz, Austria
2University of California, Los Angeles, USA
3Imperial College, London, UK
4CESR/CNRS, Toulouse, France
Abstract. In order to estimate the dissipation time-scale in magnetic turbulence in the plasma sheet a novel method is introduced for classification of velocity dependent patterns of two-point probability density functions' shapes near their maxima. For the first time, we provide evidence for Reynolds number (velocity) dependent widening of the inertial range in the plasma sheet. Since spectral widening of the inertial range is a generic feature of many turbulent flows, its examination can facilitate the recognition of intermittent turbulence in the plasma sheet.
Full Article (PDF, 533 KB)
Citation: Vörös, Z., Baumjohann, W., Nakamura, R., Runov, A., Volwerk, M., Schwarzl, H., Balogh, A., and Rème, H.: Dissipation scales in the Earth's plasma sheet estimated from Cluster measurements, Nonlin. Processes Geophys., 12, 725-732, 2005. Bibtex EndNote Reference Manager
