GPS scintillations and total electron content climatology in the southern low, middle and high latitude regions

Luca Spogli, Lucilla Alfonsi, Pierre J. Cilliers, Emilia Correia, Giorgiana De Franceschi, Cathryn N. Mitchell, Vincenzo Romano, Joe Kinrade, Miguel Angel Cabrera

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In recent years, several groups have installed high-frequency sampling receivers in the southern middle and high latitude regions, to monitor ionospheric scintillations and the total electron content (TEC) changes. Taking advantage of the archive of continuous and systematic observations of the ionosphere on L-band by means of signals from the Global Positioning System (GPS), we present the first attempt at ionospheric scintillation and TEC mapping from Latin America to Antarctica. The climatology of the area considered is derived through Ground-Based Scintillation Climatology, a method that can identify ionospheric sectors in which scintillations are more likely to occur. This study also introduces the novel ionospheric scintillation 'hot-spot' analysis. This analysis first identifies the crucial areas of the ionosphere in terms of enhanced probability of scintillation occurrence, and then it studies the seasonal variation of the main scintillation and TEC-related parameters. The results produced by this sophisticated analysis give significant indications of the spatial/ temporal recurrences of plasma irregularities, which contributes to the extending of current knowledge of the mechanisms that cause scintillations, and consequently to the development of efficient tools to forecast space-weather-related ionospheric events.
Original languageEnglish
JournalAnnals of Geophysics
Volume56
Issue number2
DOIs
Publication statusPublished - 2013

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climatology
Global Positioning System
tropical regions
polar regions
scintillation
GPS
ionospherics
ionosphere
electrons
seasonal variation
ionospheres
weather
plasma
sampling
space weather
analysis
total electron content
ultrahigh frequencies
Antarctic regions
annual variations

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GPS scintillations and total electron content climatology in the southern low, middle and high latitude regions. / Spogli, Luca; Alfonsi, Lucilla; Cilliers, Pierre J.; Correia, Emilia; De Franceschi, Giorgiana; Mitchell, Cathryn N.; Romano, Vincenzo; Kinrade, Joe; Cabrera, Miguel Angel.

In: Annals of Geophysics, Vol. 56, No. 2, 2013.

Research output: Contribution to journalArticle

Spogli, L, Alfonsi, L, Cilliers, PJ, Correia, E, De Franceschi, G, Mitchell, CN, Romano, V, Kinrade, J & Cabrera, MA 2013, 'GPS scintillations and total electron content climatology in the southern low, middle and high latitude regions', Annals of Geophysics, vol. 56, no. 2. https://doi.org/10.4401/ag-6240
Spogli, Luca ; Alfonsi, Lucilla ; Cilliers, Pierre J. ; Correia, Emilia ; De Franceschi, Giorgiana ; Mitchell, Cathryn N. ; Romano, Vincenzo ; Kinrade, Joe ; Cabrera, Miguel Angel. / GPS scintillations and total electron content climatology in the southern low, middle and high latitude regions. In: Annals of Geophysics. 2013 ; Vol. 56, No. 2.
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AU - Cabrera, Miguel Angel

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