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Is the dynamic magnetosphere an avalanching system?
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UNSPECIFIED (2000) Is the dynamic magnetosphere an avalanching system? GEOPHYSICAL RESEARCH LETTERS, 27 (7). pp. 911-914. ISSN 0094-8276.
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Abstract
The analogy between the dynamic magnetosphere and an avalanche system is examined by using the global auroral energy deposition obtained by the Polar UVI as a measure of the energy output of the magnetosphere. The analysis reveals two types of energy dissipation: those internal to the magnetosphere occurring at all activity levels with no intrinsic scale, and those associated with active times corresponding to global energy dissipation with a characteristic scale. The internal events exhibit the same power law index in both active and quiet times. These features are consistent with a simple avalanche ('sandpile') numerical model.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QE Geology | ||||
| Journal or Publication Title: | GEOPHYSICAL RESEARCH LETTERS | ||||
| Publisher: | AMER GEOPHYSICAL UNION | ||||
| ISSN: | 0094-8276 | ||||
| Official Date: | 1 April 2000 | ||||
| Dates: |
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| Volume: | 27 | ||||
| Number: | 7 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 911-914 | ||||
| Publication Status: | Published |
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