Соловьев Степан Иванович (Solovyev Stepan Ivanovich)

Место работы автора, адрес/электронная почта: Институт космофизических исследований и аэрономии им. Ю. Г. Шафера СО РАН ; 677980, г. Якутск, пр. Ленина, 31 ; e-mail: baishev@ikfia.ysn.ru ; https://ikfia.ysn.ru

Ученая степень, ученое звание: д-р физ.-мат. наук

Область научных интересов: Геомагнетизм и высокие слои атмосферы

ID Автора: РИНЦ AuthorID: 58578

Деятельность: С 1964 г. работает в Институте космофизических исследований и аэрономии ЯФ СО АН СССР.

Документы 21 - 30 из 63
21.

Количество страниц: 4 с.

Large-amplitude morning Pc5 magnetic pulsations during the main phase of intense magnetic storm were registered at magnetic stations of 190-200° magnetic meridians on January 21-22, 2005. Magnetic pulsations in the Pc5 frequency range observed at the GOES 10, 12 satellites in the noon and evening sectors exhibited a high degree of magnetic compessibility. A Los Alamos particle detector on board geostationary satellite observed the occurrence of energetic particle flux oscillations in the Pc5 band. The Pc5 pulsations were followed with the VLF-emission and riometer absorption modulation with the same period. The regions of maximal amplitude of Pc5 geomagnetic pulsations and deep modulation of riometer absorptions shifted to high latitudes in the same way. Significant and long-lasting compression of magnetosphere led, probably, to moderate pitch-angle diffusion of particle into the loss cone even at the middle latitudes. Analysis of coordinated data allowed us to suggest that a modulation effects of precipitating particles are caused by a compressional waves.

Manifestation of Magnetosphere Fluctuations during the Large Magnetic Storm of January 21-22, 2005 / D. G. Baishev, E. S. Barkova, V. A. Mullayarov, S. N. Samsonov, S. I. Solovyev, 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. 96-99.

22.

Количество страниц: 4 с.

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.

23.

Количество страниц: 4 с.

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.

24.

Количество страниц: 1 с.

Makarov, G. A. Propagation velocities of geomagnetic sudden impulses caused by sharp changes jf solar wind dinamic pressure at high latitudes / G. A. Makarov, V. Moiseev, and S. I. Solovyev // The First S-Ramp Conference, October 2-6, 2000: Sapporo, Japan. – Sapporo, 2000. – P. 122.

25.

Количество страниц: 4 с.

Specific features and development of Pi and Pm impulses at latitudes from the equator to the polar cap are studied. It is shown that formation of Pi and Pm impulses at high latitudes (Ф'=70°) is related to simultaneous intensifications of the westward and eastward currents on the dayside of the magnetosphere with a consequent shift of the eastward current to the pole. It leads to an increase of duration of Pi impulse with the growth of latitude. Inversion of Pi and Pm signs relative to the noon meridian takes place only at Ф'≈36-60°. At these latitudes the duration of Pi impulse also increases with growth of latitude, but the increase velocity is one order of magnitude larger than at Ф'=63-83°. The current system of SI impulse and possible reasons of Pi and Pm formation at different latitudes are discussed.

Moiseyev, A. V. Relation between the formation of preliminary and main SI impulses during a sharp compression of the magnetosphere by solar wind / A. V. Moiseyev, S. I. Solovyev, K. Yumoto // Physics of auroral phenomena : proceedings of the 25th annual seminar, Apatity, 26 February – 1 March 2002. – 2002. – P. 51-54.

26.

Количество страниц: 1 с.

Sources of excitation and damping of PC5 geomagnetic pulsations during the magnetic storms of october 29-31, 2003 influence of the solar wind and auroral electrojets : [тезисы докладов] / Solovyev S. I., Moiseyev A. V., Du A., Engebretson M., Newitt L. R. // International symposium on Solar Extreme Events of 2003 : programme and abstract book. – Москва : УНЦ ДО, 2004. – P. 59.

27.

Количество страниц: 4 с.

The character of geomagnetic and auroral response to solar wind dynamic pressure variation and the dynamics of particles injected into the magnetosphere / S. I. Solovyev, A. V. Moiseyev, K. Yumoto, M. Engebretson, A. Du // Physics of auroral phenomena : proceedings of the 29th annual seminar, Apatity, 27 February – 3 March 2006. – 2007. – P. 112-115.

28.

Количество страниц: 8 с.

Исследуется модуляция ОНЧ-излучения и риометрического поглощения геомагнит-ными пульсациями Рс5 в период больших геомагнитных возмущений 30-31.10.03. Полу-чены заключения о режиме питч-угловой диффузии частиц в конус потерь. Лучшее совпа-дение модуляции ОНЧ-излучения с геомагнитными пульсациями в других долготных сек-торах объясняется глобальным характером возбуждения пульсаций и затуханием их ам-плитуды на меридиане наблюдения ОНЧ-излучения, связываемым с усилением авроральных электроструй.
Abstract—Modulation of the VLF emission and riometric absorption by Pc5 geomagnetic pulsationsisstudied in the period of strong geomagnetic disturbances on October 30–31, 2003. Some conclusions about the regime of pitch-angular diffusion into the loss cone are made. The better coincidence of VLF emission modulation with geomagnetic pulsations in other longitude sectors is explained by the global character of excitation of the pulsations and by damping of their amplitudes at the meridian of observing the VLF emission, which is associated with intensification of auroral electrojets.

Амплитудная модуляция ОНЧ-излучения и поглощения космического радиошума геомагнитными пульсациями Рс5 в период геомагнитных бурь 30-31 октября 2003 г. / С. И. Соловьев, В. А. Муллаяров, Д. Г. Баишев, Е. С. Баркова, С. Н. Самсонов // Космические исследования. – 2004. – Т. 42, N 6. – С. 632–639.

29.

Количество страниц: 1 с.

Вклад различных источников в формирование Dst и низкоширотных геомагнитных возмущений по данным глобальных наблюдений в периоды экстра-бурь в октябре-ноябре 2003 г. : [тезисы докладов] / С. И. Соловьев, Р. Н. Бороев, А. В. Моисеев, А. С. Потапов, А. Ду, М. Енгебретсон, К. Юмото, Л. Р. Ньювит // Международная конференция "Солнечно-земная физика" : программа, тезисы докладов. – Иркутск : [б.и.], 2004. – С. 47.

30.

Количество страниц: 14 с.

Влияние авроральных электроструй и параметров солнечного ветра на вариации интенсивности низкоширотных геомагнитных возмущений и Dst во время экстремально большой магнитной бури 20-21 ноября 2003 г. / С. И. Соловьев, Р. Н. Бороев, А. В. Моисеев, А. Ду, К. Юмото // Геомагнетизм и аэрономия. – 2008. – Т. 48, N 3. – С. 306-319.