2006
DOI: 10.1134/s0016793206010075
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Statistical characteristics of the spatial distribution of Pc3-4 geomagnetic pulsations at high latitudes in the antarctic regions

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Cited by 12 publications
(16 citation statements)
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“…On the other hand, differently from Pc4-5 signals, Pc3 events peak also in the evening and in the postmidnight sector (Fig. 4), showing a polarization sense consistent with waves propagating sunward; such result, which confirms previous findings by Villante et al (2009), might indicate that Pc3 signals in the nighttime are due to upstream waves propagating to the ground via the magnetotail lobes, as suggested by Chugunova et al (2004, 2006) and De Lauretis et al (2005.…”
Section: Discussionsupporting
confidence: 81%
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“…On the other hand, differently from Pc4-5 signals, Pc3 events peak also in the evening and in the postmidnight sector (Fig. 4), showing a polarization sense consistent with waves propagating sunward; such result, which confirms previous findings by Villante et al (2009), might indicate that Pc3 signals in the nighttime are due to upstream waves propagating to the ground via the magnetotail lobes, as suggested by Chugunova et al (2004, 2006) and De Lauretis et al (2005.…”
Section: Discussionsupporting
confidence: 81%
“…At DMC, the polarization pattern in the Pc3 frequency band appears patchy, as for waves propagating in opposite directions; the occurrence of Pc3 polarized pulsations peaks only in the postmidnight sector, as also observed at approximately the same latitude by Chugunova et al (2004Chugunova et al ( , 2006, who assumed that such pulsations are due to upstream waves which penetrate from the magnetosheath to the magnetotail lobes mainly on the dawn flank. So, the ULF activity at DMC appears, throughout the day, to be driven by phenomena occurring in the magnetotail.…”
Section: Discussionmentioning
confidence: 84%
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“…In the polar cap, where the local field lines are stretched into the magnetotail, the results of Francia et al (2012) and Regi et al (2013) indicate that a different transmission and propagation path can be invoked, as already suggested by Chugunova et al (2004Chugunova et al ( , 2006 and Engebretson et al (2006): the waves, convected along the flanks of the magnetopause by the SW, penetrate through the plasma mantle and magnetotail lobes, where they can couple to traveling field-guided Alfven waves along the outermost open field lines and propagate to the polar cap. The mechanism of the mode conversion on open field lines has not been reliably identified yet (Pilipenko et al 2008).…”
Section: Introductionsupporting
confidence: 57%
“…In particular, during the 0905-to 0945-UT time interval, examined in detail at Cluster, the signals observed at CST and NCK were probably due to waves propagating radially from the generation region (as shown in Figure 3) and directly transmitted through the subsolar bow shock and into the magnetosphere as compressional waves up to the low latitude Howard and Menk 2005). On the other hand, the occurrence of the same signals at the polar latitudes could be explained in terms of waves convected by the SW along the flanks of the magnetopause, penetrating into the magnetotail lobes and then propagating along the outer field lines to the ground, as already suggested by Chugunova et al (2006), Engebretson et al (2006), and Francia et al (2012). In this regard, recently, Regi et al (2013) provided experimental evidence of the suggested transmission path; on the basis of geomagnetic field measurements at DMC and simultaneous magnetospheric data from Cluster satellites in the southern lobe on field lines with footprints close to DMC (i.e., at an angular separation smaller than 15°), a clear correspondence between waves observed in the magnetotail and near the geomagnetic pole was found from a statistical point of view and in a case study.…”
Section: Discussionmentioning
confidence: 50%