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11.

Авторы:

Mishin Vilen M., Foerster M., Saifudinova Tamara Ivanovna, Bazarzhapov Alexander Dashitsyrenovich, Sapronova Lyudmila Alexandrovna, Golovkov Vadim Petrovich, Stauning P., Watermann J., Solovyev Stepan Ivanovich

Заглавие: Basic Regimes of the Super-Storm on Nov 20, 2003 and the Problems Substorms-Storm

Количество страниц: 4 с.

Подборки

Математика. Естественные науки > Астрономия. Астрофизика. Исследование космического пространства. Геодезия,
Математика. Естественные науки > Геология. Геологические и геофизические науки,
НАУКА ЯКУТИИ > МАТЕМАТИКА. ЕСТЕСТВЕННЫЕ НАУКИ > Астрономия. Астрофизика. Исследование космического пространства. Геодезия,
НАУКА ЯКУТИИ > МАТЕМАТИКА. ЕСТЕСТВЕННЫЕ НАУКИ > Геология. Геологические и геофизические науки.

The 20.11.03 super-storm is described on the basis of the quantitative estimations of input and output parameters of the magnetospheric disturbance energetics. Two input parameters are ε'- Poynting flux from solar wind into the magnetosphere, and the polar cap potential drop Upc. The output parameters (indicators the magnetospheric responses) are the total power of the magnetospheric disturbance (Qt), and the powers consumed in the ionosphere (Qi) and in the ring current (Qdr). Different modes of the magnetosphere disturbances are shortly described: substorms, driven mode, Null Events by Lyons et. al., saturation of the ionosphere, and responses to a strong s. w. pressure pulses. The problem of the substorms-storm relationship is also addressed.

Basic Regimes of the Super-Storm on Nov 20, 2003 and the Problems Substorms-Storm / V. M. Mishin, M. Foerster, T. I. Saifudinova, A. D. Bazarzhapov, L. A. Sapronova, V. P. Golovkov, P. Stauning, J. Watermann, and S. I. Solovyev // Solar Extreme Events Fundamental Science and Applied Aspects Nor-Amberd, Armenia 26-30 September 2005 : proceedings of the Second International Symposium / edited by A. Chilingarian and G. Karapetyan. − Erevan : Cosmic Ray Division, Alikhanyan Physics Institute, 2006. − P. 86-89.

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12.

Авторы:

Foerster M., Mishin Vilen M., Saifudinova Tamara Ivanovna, Bazarzhapov Alexander Dashitsyrenovich, Sapronova Lyudmila Alexandrovna, Golovkov Vadim Petrovich, Stauning P., Watermann J., Solovyev Stepan Ivanovich

Заглавие: Dynamics of the Ionospheric Convection Systems Observed during The Super-Storm on Nov. 20, 2003

Количество страниц: 3 с.

Подборки

In the accompanying Papers 1 and 2 was fulfilled timing of the 20.11.05 super-storm. Were detected 4 various types of the magnetospheric disturbances observable at southward IMF, and presented a new model of the field-aligned currents density spatial distribution in the polar ionosphere. In this paper are described the ionospheric convection systems, characteristic for the above various types. Are mentioned the mesoscale spatial inhomogeneities, which are observed more or less regularly but have not been mentioned in the past literature.

Dynamics of the Ionospheric Convection Systems Observed during The Super-Storm on Nov. 20, 2003 / M. Foerster, V. M. Mishin, T. I. Saifudinova, A. D. Bazarzhapov, L. A. Sapronova, V. P. Golovkov, P. Stauning, J. Watermann, and S. I. Solovyev // Solar Extreme Events Fundamental Science and Applied Aspects Nor-Amberd, Armenia 26-30 September 2005 : proceedings of the Second International Symposium / edited by A. Chilingarian and G. Karapetyan. − Erevan : Cosmic Ray Division, Alikhanyan Physics Institute, 2006. − P. 83-85.

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13.

Авторы:

Mishin Vilen M., Foerster M., Saifudinova Tamara Ivanovna, Bazarzhapov Alexander Dashitsyrenovich, Sapronova Lyudmila Alexandrovna, Golovkov Vadim Petrovich, Stauning P., Watermann J., Solovyev Stepan Ivanovich

Заглавие: Dynamics of the Field-Aligned Current Systems Observed during The Super-Storm on Nov. 20, 2003

Количество страниц: 4 с.

Подборки

Spatial distribution in the polar ionosphere of field-aligned currents density is studied by using data of the events on 20.11.03. Observable distributions are described in terms of three Regions of Iijima and Potemra, with taken into account in each Region of three types of spatial inhomogeneities. These inhomogeneitie were overlooked earlier. Dynamics of classical substorm current wedge SCW1, and the "current wedges" SCW2 and SCW3, both creating a polarization and amplification of the westward auroral electrojet, are described.

Dynamics of the Field-Aligned Current Systems Observed during The Super-Storm on Nov. 20, 2003 / V. M. Mishin, M. Foerster, T. I. Saifudinova, A. D. Bazarzhapov, L. A. Sapronova, V. P. Golovkov, P. Stauning, J. Watermann, and S. I. Solovyev // Solar Extreme Events Fundamental Science and Applied Aspects Nor-Amberd, Armenia 26-30 September 2005 : proceedings of the Second International Symposium / edited by A. Chilingarian and G. Karapetyan. − Erevan : Cosmic Ray Division, Alikhanyan Physics Institute, 2006. − P. 79-82.

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14.

Авторы:

Baishev Dmitriy Gavrilievich, Barkova Elena Sergeevna, Solovyev Stepan Ivanovich, Yumoto Kiyohumi, Engebretson Mark, Koustov A. V.

Заглавие: Formation of large-scale, "giant" undulations at the equatorial boundary of diffuse aurora and Pc5 magnetic pulsations during the January 14, 1999 magnetic storm

Количество страниц: 4 с.

Подборки

In the present study we investigate the undulations at the equatorial boundary of diffuse aurora and their relationship to the development of magnetic and auroral substorms and excitation of Pc5 magnetic pulsation on January 14, 1999. The observed undulations had wave-length of ~200-300 km and amplitude of ~50-250 km and they propagated westward with the velocity of ~0,7 km/s. It is found that the undulations began ~40 min after the substorm onset and lasted for ~80 min, all the way to the end of the substorm. During both active and recovery phases of the substorm the undulations were accompanied by the enhancement of the DP2 equivalent current system and by the formation of WTS. Concurrently with undulations, there were observed Pc5 magnetic pulsations of an oscillation period roughly equal to the ratio of the undulation wavelength to their propagation velocity. Observations are interpreted in terms of the shear/ballooning instability excitation near the plasmapause and subsequent generation of drift hydromagnetic waves.

Formation of large-scale, "giant" undulations at the equatorial boundary of diffuse aurora and Pc5 magnetic pulsations during the January 14, 1999 magnetic storm / D. G. Baishev, E. S. Barkova, S. I. Solovyev, K. Yumoto, M. J. Engebretson and A. V. Koustov // Proceedings of the Fifth International Conference on Substorms : 16-20 May 2000 Congress Centre of the Arctic and Antarctic Research Institute, St. Petersburg, Russia. − Noordwijk, Netherlands : European Space Agency, 2000. − P. 427-430.

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15.

Авторы:

Boroyev Roman Nikolaevich, Du A., Solovyev Stepan Ivanovich, Xu W.-Y., Chen G.-X., Velichko Vitaly Andreevich

Заглавие: Influence of IMF by on the location of western electrojets during the magnetic storm on Nov. 9-10, 2004

Количество страниц: 4 с.

Подборки

The spatial-temporal distribution of westward electrojets in the northern hemisphere has been investigated using geomagnetic ground observation data for November 9-10, 2004 geomagnetic storm. It is shown that the location of the maximum westward electrojet depends on the IMF orientation. It is in the evening or morning sector when Bγ0. With the increase of positive IMF Bγ, the region of intensity maximum shifts to morning hours. Thus, the azimuthal IMF component not only controls the pattern of magnetospheric convection, but also affects the longitudinal location of the westward electrojet pattern during the magnetic storm.

Influence of IMF by on the location of western electrojets during the magnetic storm on Nov. 9-10, 2004 / R. N. Boroev, A. Du, S. I. Solovyev, W.-Y. Xu, G.-X. Chen, V. A. Velichko // Physics of auroral phenomena : proceedings of the 29th annual seminar, Apatity, 27 February–3 March 2006. – 2007. – P. 21-24.

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16.

Авторы:

Solovyev Stepan Ivanovich, Boroyev Roman Nikolaevich, Moiseyev Aleksey Vladimirovich

Заглавие: On the relation between the SYM-H and Dst- indices during the development of magnetic storm

Количество страниц: 4 с.

Подборки

The Dst-index obtained by hourly average values of the magnetic field at four stations located in various longitudinal sectors at latitudes Φ′≈20-30° is the index of magnetic field depression at low latitudes during the magnetic storm periods. Recently for the characteristics of magnetic field depression the SYM-H index has been used. It is obtained from 1 min data of the magnetic field at ~10 stations, located mainly at latitudes Φ′≈40-50° [1]. It is considered in [2-4] that the SYM-H index is an analog of Dst but with a better temporal resolution. As shown in [5], during super magnetic storms with Dst variation ≥ 400 nT, the SYM-H variations can considerably differ from Dst behavior and thus the SYM-H index is not always an analog of Dst. In this paper the relation between the Dst and SYM-H variations for magnetic storms of different intensity, with Dst varying from ~ -50 nT to -450 nT is investigated.

Solovyev, S. I. On the relation between the SYM-H and Dst- indices during the development of magnetic storm / S. I. Solovyev, R. N. Boroyev, A. V. Moiseyev // Physics of auroral phenomena : proceedings of the 28 th annual seminar, 1-4 March 2005. – 2005. – P. 48-51.

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17.

Авторы:

Moiseyev Aleksey Vladimirovich, Solovyev Stepan Ivanovich, Du A.

Заглавие: Peculiarities of traveling convection vortices propagation: comparison with sudden geomagnetic impulse

Количество страниц: 4 с.

Подборки

Moiseyev, A. V. Peculiarities of traveling convection vortices propagation: comparison with sudden geomagnetic impulse / A. V. Moiseyev, S. I. Solovyev, A. Du // Physics of auroral phenomena : proceedings of the 32nd annual seminar, Apatity, 3 – 6 March 2009. – 2010. – P. 75-78.

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18.

Авторы:

Solovyev Stepan Ivanovich, Boroyev Roman Nikolaevich, Moiseyev Aleksey Vladimirovich, Du A., Yumoto Kiyohumi

Заглавие: Evolution of geomagnetic perturbations and aurora dynamics during the strong magnetic storms events

Количество страниц: 4 с.

Подборки

Evolution of geomagnetic perturbations and aurora dynamics during the strong magnetic storms events / S. I. Solovyev, R. N. Boroev, A. V. Moiseyev, A. Du, K. Yumoto // Physics of auroral phenomena : proceedings of the 32nd annual seminar, Apatity, 3 – 6 March 2009. – 2010. – P. 41-44.

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19.

Авторы:

Jin-Bin Cao , Chunxiao Yan, Dunlop Malcolm, Reme Henri , Dandouras Iannis , Tielong Zhang, Dongmei Yang, Moiseyev Aleksey Vladimirovich, Solovyev Stepan Ivanovich, Wang Z. Q., Leonoviche Anatoly Sergeevich, Zolotukhina N. A., Mishin Vilen M.

Заглавие: Geomagnetic signatures of current wedge produced by fast flows in a plasma sheet

Количество страниц: 6 с.

Подборки

This paper uses the plasma data from Cluster and TC-1 and geomagnetic data to study the geomagnetic signatures of current wedge produced by fast-flow braking in the plasma sheet. The three fast flows studied here occurred in a very quiet background and were accompanied by no (or weak) particle injections, thus avoiding the influences from other disturbances. All the geomagnetic signatures of a substorm current wedge can be found in geomagnetic signatures of a current system produced by the braking of fast flows, indicating that the fast flows can produce a complete current wedge which contains postmidnight downward and premidnight upward field-aligned currents, as well as a westward electrojet. The Pi2 precursors exist not only at high latitudes but also at midlatitudes. The starting times of midlatitude Pi2 precursors can be identified more precisely than those of high-latitude Pi2 precursors, providing a possible method to determine the starting time of fast flows in their source regions. The AL drop that a bursty bulk flow produces is proportional to its velocity and duration. In three cases, the AL drops are 200 nT, whether a substorm can be triggered depends mainly on the conditions of the braking regions before fast flows. The observations of solar wind before the three fast flows suggest that it is difficult for the fast flows to trigger a substorm when the interplanetary magnetic field Bz of solar wind is weakly southward.

Geomagnetic signatures of current wedge produced by fast flows in a plasma sheet / Jin-Bin Cao, Chunxiao Yan, Malcolm Dunlop, Henri Reme, Iannis Dandouras, Tielong Zhang, Dongmei Yang, Alexey Moiseyev, Stepan I. Solovyev, Z. Q. Wang, A. Leonoviche, N. Zolotukhina, and V. Mishin // Journal of Geophysical Research: Space Physics. – 1978. – 2010 (August), vol. 115, N 8. – P. A08205.

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20.

Авторы:

Solovyev Stepan Ivanovich, Boroyev Roman Nikolaevich, Moiseyev Aleksey Vladimirovich, Du A., Yumoto Kiyohumi

Заглавие: Dependence of High-Latitude and Low-Latitude Geomagnetic Disturbances on Solar Wind Parameters during the Magnetic Storm of November 7-8, 2004

Количество страниц: 4 с.

Подборки

By global geomagnetic observation data the variations of intensity and dynamics of auroral electrojets, low-latitude disturbances at latitudes ~10-55°, SYM-H and studied. It is shown that positive values of SYM-H and Dst or the decrease of their negative values correspond to the growth period of Pd. The enhancement of magnetic field depression at latitudes Ф'~10-30° with the maximum ∆H in the evening sector is observed at negative values of IMF Bz and is accompanied by the enhancement of auroral electrojets in all temporal sectors and their southward shift. The maximum values of Dst ~-400 nT correspondent to the most intensity of western (eastern) electrojet in the midnight (evening) sector with a current center at the lowest latitudes. The possible sources of Dst and SYM-H variations are discussed.

Dependence of High-Latitude and Low-Latitude Geomagnetic Disturbances on Solar Wind Parameters during the Magnetic Storm of November 7-8, 2004 / S. I. Solovyev, R. N. Boroyev, A. V. Moiseyev, A. Du, K. Yumoto // Solar Extreme Events Fundamental Science and Applied Aspects Nor-Amberd, Armenia 26-30 September 2005 : proceedings of the Second International Symposium / edited by A. Chilingarian and G. Karapetyan. − Erevan : Cosmic Ray Division, Alikhanyan Physics Institute, 2006. − P. 104-106.

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