2007
DOI: 10.1007/1-4020-5446-7_17
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Manifestation of Strong Geomagnetic Storms in the Ionosphere above Europe

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Cited by 15 publications
(8 citation statements)
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“…So according to the observations it can be concluded, that both a significant electron density decrease and an anomalous density increase can occur in the F2-layer over a course of a magnetic storm (Buresova et al, 2014). Also it has been observed, that there are cases when significant magnetic disturbances did not followed by ionospheric disturbance, or vice versa (Buresova et al, 2007;Field et al, 1998;Li et al, 2012).…”
Section: Introductionmentioning
confidence: 93%
“…So according to the observations it can be concluded, that both a significant electron density decrease and an anomalous density increase can occur in the F2-layer over a course of a magnetic storm (Buresova et al, 2014). Also it has been observed, that there are cases when significant magnetic disturbances did not followed by ionospheric disturbance, or vice versa (Buresova et al, 2007;Field et al, 1998;Li et al, 2012).…”
Section: Introductionmentioning
confidence: 93%
“…The authors of [Habarulema et al, 2015[Habarulema et al, , 2016Belehaki et al, 2017] attribute the positive ionospheric storm effect to the superfountain effect in the equatorial latitudes during the period March 7-10, 2012. Switching between the positive and negative phases of the ionospheric storm was also observed for the magnetic storm in March 2015 [Shpynev et al, 2018;Chernigovskaya et al, 2021a] and for the storm in October 2016 [Chernigovskaya et al, 2021b], which also developed under equinox conditions. The transition from one ionospheric storm phase to another is more typical of winter than of summer [Burešová et al, 2007]. The probability of the scenario with a change in the ionospheric storm effect also increases with a decrease in latitude.…”
Section: Discussion Of the Results Of Experimental Data Analysismentioning
confidence: 99%
“…Under disturbed conditions, f o F2 may increase, but its sharp decrease is more often observed as compared to the values under quiet conditions (positive or negative ionospheric storms respectively) [Matsushita, 1959]. The occurrence of positive and negative effects of ionospheric storms strongly depends on the local time, season, and geographic region [Prölss, 1995;Rishbeth, 1998;Buonsanto, 1999;Mendillo, 2006;Burešová et al, 2007]. Negative ionospheric storms are the dominant characteristic in the ionospheric response to increased geomagnetic activity and are generally attributed to changes in the neutral composition and to the shift of the main ionospheric trough toward the equator [Prölss, 1995;Rishbeth, 1998].…”
Section: Introductionmentioning
confidence: 99%
“…At present, vertical measurement is provided by the Digisonde DPS-4D which records vertical time-frequency characteristics (ionograms) and ionospheric plasma Drift (DDM) [6]. Additionally, GPS receiver and Continuous Doppler Measurement are located in Průhonice that provide ionospheric data [7,8].…”
Section: Introductionmentioning
confidence: 99%