Zobrazeno 1 - 10 of 123 pro vyhledávání: '"Umberto Villante"'
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Akademický článek
Low and mid-frequency pulsations in the polar cap: polarization pattern and MLT dependence of the spectral power during the descending phase of the solar cycle
Autor: Massimo Vellante, Andrea Piancatelli, Patrizia Francia, Marcello De Lauretis, Umberto Villante
Publikováno v: Annals of Geophysics, Vol 52, Iss 1, Pp 27-34 (2009)
We present a statistical analysis of ULF (1-100 mHz) geomagnetic measurements conducted during years 2003-2006 at the Italian/French base of Concordia at Dome C, close to the geomagnetic pole, and at the Italian base«Mario Zucchelli» at Terra Nova
Externí odkaz: https://doaj.org/article/68dece6a1854406fb148d1a8e4f7e1d8
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2
Earth’s magnetosphere dynamics during 'forced breathing' due to solar wind periodic density structures
Autor: Simone Di Matteo, Larry Kepko, Nicholeen Viall, Aaron Breneman, Alexa Halford, Umberto Villante
In the solar wind density, we often observe periodic fluctuations on time scales ranging from a few minutes to a few hours which we refer to as Periodic Density Structures (PDSs). The PDSs belong to the class of “meso-scale structures” with radia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d48b7a470ce690c4490a7a562a0562b
https://doi.org/10.5194/egusphere-egu23-10258
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4
On the seasonal and solar cycle variation of the ULF fluctuations at low latitudes: A comparison with the ionospheric parameters
Autor: P. Tiberi, Michael Pezzopane, Umberto Villante
Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 190:96-107
A long term analysis (1996–2015) of the occurrence and characteristics of the wave events (Pc3; f = 20–100 mHz; H and D component), detected at a low latitude ground-based station (L'Aquila, Italy), and the comparison with the ionospheric paramet
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31a449777af8b54d8a8db1589d02883b
https://doi.org/10.1016/j.jastp.2019.05.005
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On the transmission of compressional fluctuations from the solar wind to the magnetosphere: an analysis of critical aspects
Autor: Simone Di Matteo, Dario Recchiuti, Umberto Villante
An important aspect of the interaction between the solar wind (SW) and the magnetosphere concerns the relationship between the SW structures/fluctuations and the onset/transmission of the magnetospheric wave modes. Several critical aspects may influe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d98fb4f8bbd0429a4cf36973ee96ed0c
https://doi.org/10.5194/egusphere-egu21-48
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Characterization of the Pc5 frequency range power spectrum at low latitude in 22 years of geomagnetic field observations
Autor: Alessandro Colonico, Simone Di Matteo, Umberto Villante
An important aspect of the interaction between the solar wind (SW) and the Earth’s magnetosphere concerns the possible relationship between SW and magnetospheric fluctuations under different SW conditions. In recent investigations (Di Matteo and Vi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6aabeecf4f6b6cee2870637782888a79
https://doi.org/10.5194/egusphere-egu2020-4516
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9
Preface of the special issue 'From the Sun to the Earth’s Interior'
Autor: Giuseppe Consolini, Paola De Michelis, Umberto Villante, Michael Pezzopane
Publikováno v: Annals of Geophysics. 62
The International Association of Geomagnetism and Aeronomy (IAGA; one of the eight Associations of the International Union of Geodesy and Geophysics, IUGG) is concerned with the understanding and knowledge that result from studies of the magnetic and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2176658aba02195f773447ea6b4ed8b
https://doi.org/10.4401/ag-8166
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10
The identification of solar wind waves at discrete frequencies and the role of the spectral analysis techniques
Autor: Umberto Villante, S. Di Matteo
Publikováno v: Journal of Geophysical Research: Space Physics. 122:4905-4920
The occurrence of waves at discrete frequencies in the solar wind (SW) parameters has been reported in the scientific literature with some controversial results, mostly concerning the existence (and stability) of favoured sets of frequencies. On the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e514a15c262eadc5783c0e5f2e437d0
https://doi.org/10.1002/2017ja023936
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