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Manifestations of sudden commencement of a severe magnetic storm of November 20, 2003, in generation of an SC pulse, PSC pulsations, and spatial modulation of the auroral brightness

Midlatitude auroras in the south of Eastern Siberia during strong geomagnetic storms on October 29–31, 2003 and November 20–21, 2003

Global geomagnetic response to a sharp compression of the magnetosphere and IMF variations on October 29, 2003

Amplitude modulation of VLF emission and absorption of cosmic noise by Pc5 geomagnetic pulsations in the period of geomagnetic storms on October 30–31, 2003

Effects of the geomagnetic storm on October 29–31, 2003, on mid-latitude short-wave radio paths (the data of Doppler measurements)

Variations in rigidity spectrum and anisotropy of cosmic rays during sporadic phenomena in the heliosphere in October–November 2003

Changes in the Earth’s ozonosphere due to ionization of high-latitude atmosphere by solar protons in October, 2003

Large proton disturbances in the orbit: 14 years later

Cosmic Research : Volume 42, Issue 5, September 2004

Cosmic Research : Volume 42, Issue 4, July 2004

Cosmic Research : Volume 42, Issue 3, May 2004

Cosmic Research : Volume 42, Issue 2, March 2004

Cosmic Research : Volume 42, Issue 1, January 2004

Cosmic Research : Volume 41

Cosmic Research : Volume 40

Cosmic Research : Volume 39

Cosmic Research : Volume 38

Manifestations of sudden commencement of a severe magnetic storm of November 20, 2003, in generation of an SC pulse, PSC pulsations, and spatial modulation of the auroral brightness

Content Provider	Springer Nature Link
Author	Baishev, D. G. Borisov, G. V. Velichko, V. A. Solovyev, S. I. Yumoto, K.
Copyright Year	2004
Abstract	The results of investigation of the geomagnetic and auroral response to the commencement of a severe magnetic storm of November 20, 2003, are presented. It is established that the onset of SC led to the brightening of the auroral arc in the dusk sector for 2–3 min with its extent to the east with a velocity of 10–20 km/s and to displacement poleward with a velocity of ∼1.0 km/s. Furtheron, the fast auroral expansions of short duration (∼5 min) to the pole up to ∼2–4°were observed, repeating every 5–10 min during ∼40 min, which led to the spatial modulation of the brightness of the glow and to generation of PSC pulsations with similar periods of oscillations. The broadening of aurora poleward had a steplike character, with generation of new arcs poleward of previous ones ∼5 arcs per ∼1.5 min. The modulation of brightness of the glow and PSC were observed against the background of intensification of a two-cell DP2 type current system and were accompanied by multiple turnings of the IMF Bz from south to north and back. It is assumed that the source of PSC pulsations was a modulation of the intensity of the DP2 ionosphere currents as a result of variations of the magnetosphere convection level.
Starting Page	583
Ending Page	590
Page Count	8
File Format	PDF
ISSN	00109525
Journal	Cosmic Research
Volume Number	42
Issue Number	6
e-ISSN	16083075
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2004-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Astronomy, Astrophysics and Cosmology Astrophysics Extraterrestrial Physics, Space Sciences
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Aerospace Engineering Space and Planetary Science

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Proton precipitation to the equator of the isotropic boundary during the geomagnetic storm on November 20–29, 2003

Generation of different long-period geomagnetic pulsations during a sudden impulse

Midlatitude auroras in the south of Eastern Siberia during strong geomagnetic storms on October 29–31, 2003 and November 20–21, 2003

Amplitude modulation of VLF emission and absorption of cosmic noise by Pc5 geomagnetic pulsations in the period of geomagnetic storms on October 30–31, 2003

The development of compression long-period pulsations on the recovery phase of the magnetic storm on May 23, 2007

Development of auroral electrojets and low-latitude geomagnetic disturbances during strong magnetic storms on November 7–11, 2004

RATAN-600 microwave observations of powerful active regions from October 23 to November 5, 2003

Prediction of sudden commencement absorption.

Spatial and temporal variations in the solar brightness

Manifestations of sudden commencement of a severe magnetic storm of November 20, 2003, in generation of an SC pulse, PSC pulsations, and spatial modulation of the auroral brightness

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Manifestations of sudden commencement of a severe magnetic storm of November 20, 2003, in generation of an SC pulse, PSC pulsations, and spatial modulation of the auroral brightness