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Документы 31 - 40 из 2044
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31.
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Авторы:
Velichko Vitaly Andreevich, Boroyev Roman Nikolaevich, Plotnikov Igor Yakovlevich, Baishev Dmitriy Gavrilievich
Заглавие: Effect of Bγ IMF in substorm current wedge formation

Количество страниц: 4 с.

Based on the data of longitudinal chain of midlatitude stations in the northern hemisphere, substorm-associated field-alighned currents (FACs) are examined. A comparison of IMF component variations with surface FAC characteristics in substorm sites is performed. It is shown that the ratio between the upward and downward surface FAC intensities depends on By IMF. In this regard, the conditions are discussed that favor currents flowing from the dayside cusp to nightside auroral region. These currents, which position is dependent on By IMF direction, can be responsible for difference between the upward and downward current-wedge-associated FACs.

Effect of Bγ IMF in substorm current wedge formation / V. A. Velichko, R. N. Boroev, I. Ya. Plotnikov, D. G. Baishev // Physics of auroral phenomena : proceedings of the 26th annual seminar, 25 - 28 February 2003. – 2003. – P. 45-48.

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32.
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Автор:
Федорова Виктория Сергеевна
Заглавие: Elytrigia repens (poaceae) как кормовое, лекарственное и пищевое растение
Elytrigia repens l. nevski - p. creeping - silirgehteh acha: as a fodder, medicinal and food plant

Количество страниц: 3 с.

В данной работе рассматривается полезное свойства пырея ползучего широко распространенного по всей Якутии. По литературным данным и по проведенному опросу населения мы узнали насколько народ знает все его свойства и использует в своей жизнедеятельности.

Федорова, В. С. Elytrigia repens (poaceae) как кормовое, лекарственное и пищевое растение / Федорова В. С. ; Северо-Восточный федеральный университет им. М. К. Аммосова // Этносы и флора: региональные традиции и знания как основа гармоничного природопользования : материалы первой научно-практической конференции, 23-28 июня 2023 г., Якутск = Ethnic groups and Flora: regional traditions and knowledge as a basis for harmonious nature management : proceedings of the First scientific and practical conference, June 23-28, 2023, Yakutsk / [редакционная коллегия: А. В. Кононов, Н. С. Иванова]. - Якутск : Издательский дом СВФУ, 2023. - 1 файл (275 с. ; 24,0 Мб). - С. 262-264.

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33.
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Авторы:
Solovyev Stepan Ivanovich, Moiseyev Aleksey Vladimirovich, Baishev Dmitriy Gavrilievich, Yumoto Kiyohumi, Engebretson Mark
Заглавие: Evidence of the Psi geomagnetic pulsations burst excitation as the direct response to the solar wind pressure pulses

Количество страниц: 2 с.

Evidence of the Psi geomagnetic pulsations burst excitation as the direct response to the solar wind pressure pulses : [тезисы докладов] / S. I. Solovyev, A. V. Moiseyev, D. G. Baishev, K. Yumoto, M. Engebretson // Physics of auroral phenomena : 24 annual seminar, 27 February - 2 March 2001. – 2001. – P. 48.

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34.
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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.

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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35.
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Авторы:
Solovyev Stepan Ivanovich, Moiseyev Aleksey Vladimirovich, Engebretson Mark, Yumoto Kiyohumi
Заглавие: Evolution of ionospheric current systems for the geomagnetic impulse SI/SC by the magnetometer global network data

Количество страниц: 2 с.

Evolution of ionospheric current systems for the geomagnetic impulse SI/SC by the magnetometer global network data : [тезисы докладов] / S. I. Solovyev, A. V. Moiseyev, M. Engebretson, K. Yumoto // Physics of auroral phenomena : 24 annual seminar, 27 February - 2 March 2001. – 2001. – P. 36.

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36.
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Авторы:
Hori Tomoaki, Shinbori Atsuki , Nishitani Nozomu, Kikuchi Takashi, Fujita S. , Nagatsuma Tsutomu , Troshichev Oleg Alexandrovich, Yumoto Kiyohumi, Moiseyev Aleksey Vladimirovich, Seki K.
Заглавие: Evolution of negative SI-induced ionospheric flows observed by SuperDARN King Salmon HF radar

Количество страниц: 14 с.

The spatial evolution of vortex-like flow structures induced by a negative sudden impulse (SI-) is studied on the basis of SuperDARN King Salmon HF radar (KSR) with other ground and satellite data. A large dip in the solar wind density induced a fairly large SI- with a SYM-H amplitude of ~40 nT. The SI-induced ionospheric flow signatures in the evening sector (MLT ~ 19 h) were observed by KSR as a westward flow associated with the preliminary impulse (PI) followed by a more intense eastward flow with the main impulse (MI) in the sub-auroral region on the magnetic latitude ~60-70 deg, consistent with the local ground magnetic field observations. Following the first PI-MI flow sequence, KSR saw a second and possibly third sequence of flow variation which were much smaller in flow amplitude than the first pair but showed qualitatively very similar flow variations and latitudinal/longitudinal propagation characterististics/ These observations can be interpreted as aftershocks of the first PI-MI; the same sequence of vortices and field-aligned currents were generated and then drifted anti-sunward with the same mechanism, namely the pumping motion of dayside magnetosphere. These results are qualitatively consistent with predictions suggested by recent numerical simulations.

Evolution of negative SI-induced ionospheric flows observed by SuperDARN King Salmon HF radar / T. Hori, A. Shinbori, N. Nishitani, T. Kikuchi, S. Fujita, T. Nagatsuma, O. Troshichev, K. Yumoto, A. Moiseyev, and K. Seki // Journal of Geophysical Research: Space Physics. – 1978. – 2012 (December), vol. 117, N 12. – P. A12223.
DOI: 10.1029/2012JA018093

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37.
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Авторы:
Moiseyev Aleksey Vladimirovich, Baishev Dmitriy Gavrilievich
Заглавие: Excitation of pulsations localized spatially during the sudden geomagnetic impulse: a case study

Количество страниц: 1 с.

Moiseyev A. V., Excitation of pulsations localized spatially during the sudden geomagnetic impulse: a case study / Moiseyev A., Baishev D. // 10th International conference "Problems of geocosmos", St. Petersburg, Petrodvorets, October 6-10, 2014. – St. Petersburg : [s. n.], 2014. – P. 177.

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38.
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Автор:
Костин Алексей Валентинович
Заглавие: Fe-оксидные-Au-Cu проявления Восточной Якутии
Iron Oxide Copper Gold deposits of East Yakutia

Количество страниц: 4 с.

Костин А. В. Fe-оксидные-Au-Cu проявления Восточной Якутии / Алексей Костин // Геология и минерально-сырьевые ресурсы Северо-Востока России : материалы X Всероссийской научно-практической конференции с международным участием, 08–10 апреля 2020. – Якутск : Издательский дом СВФУ, 2020. – С. 239-242.

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39.
Обложка
Авторы:
Moiseyev Aleksey Vladimirovich, Baishev Dmitriy Gavrilievich, Zolotukhina N. А., Du A., Yumoto Kiyohumi
Заглавие: Features of Pc5 generation in the absence of the high-speed streams and significant changes in solar wind dynamic pressure

Количество страниц: 2 с.

Features of Pc5 generation in the absence of the high-speed streams and significant changes in solar wind dynamic pressure : [тезисы докладов] / A. Moiseyev, D. Baishev, N. Zolotukhina, A. Du, K. Yumoto // Physics of auroral phenomena : 26th annual seminar, 25-28 February 2003 : abstacts. – 2003. – P. 22.

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40.
Обложка
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.

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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