Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8598
DC Field | Value | Language |
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dc.contributor.authorall | De Michelis, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.authorall | Consolini, G.; INAF – Istituto di Astrofisica e Planetologia Spaziali, 00133 Roma, Italy | en |
dc.contributor.authorall | Tozzi, R.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.date.accessioned | 2013-04-05T10:54:33Z | en |
dc.date.available | 2013-04-05T10:54:33Z | en |
dc.date.issued | 2012-11 | en |
dc.identifier.uri | http://hdl.handle.net/2122/8598 | en |
dc.description.abstract | Complexity and multi-scale are very common properties of several geomagnetic time series. On the other hand, it is amply demonstrated that scaling properties of geomagnetic time series show significant changes depending on the geomagnetic activity level. Here, we study the multiscale features of some large geomagnetic storms by applying the empirical mode decomposition technique. This method, which is alternative to traditional data analysis and is designed specifically for analyzing nonlinear and nonstationary data, is applied to long time series of Sym-H index relative to periods including large geomagnetic disturbances. The spectral and scaling features of the intrinsic mode functions(IMFs) into which Sym-H time series can be decomposed, as well as those of the Sym-H time series itself, are studied considering different geomagnetic activity levels. The results suggest an increase of dynamical complexity and multi-scale properties for intermediate geomagnetic activity levels. | en |
dc.language.iso | English | en |
dc.publisher.name | Copernicus Publications | en |
dc.relation.ispartof | Nonlinear Processes in Geophysics | en |
dc.relation.ispartofseries | 6 / 19 (2012) | en |
dc.subject | geomagnetic storms | en |
dc.subject | Empirical Mode Decomposition | en |
dc.subject | magnetospheric dynamics | en |
dc.title | On the multi-scale nature of large geomagnetic storms: an empirical mode decomposition analysis | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 667-673 | en |
dc.subject.INGV | 01. Atmosphere::01.03. Magnetosphere::01.03.02. Magnetic storms | en |
dc.subject.INGV | 01. Atmosphere::01.03. Magnetosphere::01.03.03. Magnetospheric physics | en |
dc.subject.INGV | 05. General::05.07. Space and Planetary sciences::05.07.01. Solar-terrestrial interaction | en |
dc.identifier.doi | 10.5194/npg-19-667-2012 | en |
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Geophys., 156, 89–134, doi:10.1007/s11214-010-9692-5, 2010. | en |
dc.description.obiettivoSpecifico | 3.9. Fisica della magnetosfera, ionosfera e meteorologia spaziale | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | open | en |
dc.relation.issn | 1023-5809 | en |
dc.relation.eissn | 1607-7946 | en |
dc.contributor.author | De Michelis, P. | en |
dc.contributor.author | Consolini, G. | en |
dc.contributor.author | Tozzi, R. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | INAF – Istituto di Astrofisica e Planetologia Spaziali, 00133 Roma, Italy | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.orcid | 0000-0002-2708-0739 | - |
crisitem.author.orcid | 0000-0002-3403-647X | - |
crisitem.author.orcid | 0000-0002-1836-4078 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 01. Atmosphere | - |
crisitem.classification.parent | 01. Atmosphere | - |
crisitem.classification.parent | 05. General | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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npg2012.pdf | 2.08 MB | Adobe PDF | View/Open |
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