| Abstract: | The notion of extended self-similarity (ESS) is applied here for the X - component time series of geomagnetic field fluctuations. Plotting nth order structure functions against the fourth order structure function we show that low-frequency geomagnetic fluctuations up to the order n = 10 follow the same scaling laws as MHD fluctuations in solar wind, however, for higher frequencies (f > l/5[h]) a clear departure from the expected universality is observed for n > 6. ESS does not allow to make an unambiguous statement about the non triviality of scaling laws in "geomagnetic" turbulence. However, we suggest to use higher order moments as promising diagnostic tools for mapping the contributions of various remote magnetospheric sources to local observatory data. Copyright 1998 by the American Geophysical Union. |
| Genre: | Article |
| ProdID: | 70019868 |
| Citation Author: | Voros, Z.; Kovacs, P.; Juhasz, A.; Kormendi, A.; Green, A. W. |
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| Citation End Page: | 2624 |
| Citation Issue: | 14 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geophysical Research Letters |
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| Citation Number Of Pages: | 4 |
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| Citation Search Results Text: | Scaling laws from geomagnetic time series; 1998; Article; Journal; Geophysical Research Letters; Voros, Z.; Kovacs, P.; Juhasz, A.; Kormendi, A.; Green, A. W. |
| Citation Start Page: | 2621 |
| Citation Volume: | 25 |
| Citation Year: | 1998 |
| Type: | citation/reference |
| Text: | Scaling laws from geomagnetic time series; 1998; Article; Journal; Geophysical Research Letters; Voros, Z.; Kovacs, P.; Juhasz, A.; Kormendi, A.; Green, A. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Thu, 1 Jan 1998 00:00 -0600 |
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