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EnglishOn Jan. 10–11, 1997 a wide magnetic cloud reached the Earth triggering intense geomagnetic activity. Observations performed at low and very high latitude show that the same features appear simultaneously in correspondence to different changes in the solar wind conditions. In particular, highly polarized modes are simultaneously observed at the same discrete frequencies after the passage of the high density solar wind region following the cloud. SI's and ULF waves polarization are also examined in a wide latitudinal and longitudinal extent.
http://hdl.handle.net/11697/3990| Titolo: | Geomagnetic field variations at low and high latitude during the January 10-11, 1997 magnetic cloud |
| Autori interni: | DE LAURETIS, Marcello PIETROPAOLO, Ermanno VILLANTE, Umberto FRANCIA, PATRIZIA |
| Data di pubblicazione: | 1998 |
| Rivista: | GEOPHYSICAL RESEARCH LETTERS |
| Abstract: | On Jan. 10–11, 1997 a wide magnetic cloud reached the Earth triggering intense geomagnetic activity. Observations performed at low and very high latitude show that the same features appear simultaneously in correspondence to different changes in the solar wind conditions. In particular, highly polarized modes are simultaneously observed at the same discrete frequencies after the passage of the high density solar wind region following the cloud. SI's and ULF waves polarization are also examined in a wide latitudinal and longitudinal extent. |
| Handle: | http://hdl.handle.net/11697/3990 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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