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Authors: Spogli, L.* 
Alfonsi, Lu.* 
De Franceschi, G.* 
Romano, V.* 
Aquino, M. H. O.* 
Dodson, A.* 
Title: Climatology of GNSS ionospheric scintillation at high and mid latitudes under different solar activity conditions
Issue Date: May-2010
Series/Report no.: 5-6/125 B(2010)
DOI: 10.1393/ncb/i2010-10857-7
Keywords: Physics of the ionosphere
Polar cap ionosphere
F region
Ionospheric disturbances, irregularities, and storms
Subject Classification01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations 
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 (Mlat), 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 wide 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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