Climatology of GNSS ionospheric scintillation at high and mid latitudes under different solar activity conditions

  • Spogli L
  • Alfonsi L
  • De Franceschi G
 et al. 
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Abstract

We analyze data of ionospheric scintillation over North European regions
for the same period (October to November) of two different years (2003
and 2008), characterized by different geomagnetic conditions. The work
aims to develop a scintillation climatology of the high- and
mid-latitude ionosphere, analyzing the behaviour of the scintillation
occurrence as a function of the magnetic local time (MLT) and of the
altitude adjusted corrected magnetic latitude (M(lat)), to characterize
scintillation scenarios under different solar activity conditions. The
results shown herein are obtained merging observations from a network of
GISTMs (GPS Ionospheric Scintillation and TEC Monitor) located over a
wick range of latitudes in the northern hemisphere. Our findings confirm
the associations of the occurrence of the ionospheric irregularities
with the expected position of the auroral oval and of the ionospheric
trough walls and show the contribution of the polar cap patches even
under solar minimum conditions.

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Authors

  • L Spogli

  • L Alfonsi

  • G De Franceschi

  • V Romano

  • M H O Aquino

  • A Dodson

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