Аннотация и ключевые слова
Аннотация (русский):
Якутская меридиональная цепочка (ЯМЦ) ИКФИА СО РАН, расположенная вдоль 190° магнитного меридиана, оснащена геофизическими и радиофизическими инструментами для мониторинга космической погоды на северо-востоке России. ЯМЦ включает четыре основные станции в Якутске, Тикси, Жиганске и Маймаге, и шесть дополнительных наблюдательных пунктов в Нерюнгри, Зырянке, Кыстатыам, Джарджане, Чокурдахе и на о. Котельный. Она обеспечивает непрерывный мониторинг околоземного космического пространства с целью получения данных о вариациях магнитного поля, космического радиошума, ОНЧ эмиссий и ионосферных параметров в сложной системе верхняя атмосфера-ионосфера-магнитосфера. Дополнительно проводятся долговременные экспериментальные исследования влияния эффектов космической погоды на здоровье человека в Тикси и Якутске. В статье описывается меридиональная цепочка инструментов на субавроральных и авроральных широтах и дается краткий обзор научных результатов мониторинга и исследования эффектов космической погоды в Якутии. Также сообщается об участии ИКФИА СО РАН в международных проектах (Intermagnet, MAGDAS, GIRO).

Ключевые слова:
меридиональная цепочка, магнитометр, дигизонд, космическая погода
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The widely used term “space weather” introduced in recent years denotes environmental conditions in near-Earth space. Space weather is the main object of aeronomy research conducted by IKFIA SB RAS. Environmental conditions comprise interrelated physical processes in different regions of near-Earth space, which are driven by solar activity.

There are diverse manifestations of these processes in the upper atmosphere and near-Earth space. The study of regularities of space weather formation relies on the fact that space weather affects meteorological processes in the lower and middle atmosphere, the reli-ability of operation of different technical systems in space and on Earth, and human health.

Many countries have now enacted a national program to study space weather effects. A number of inter-national programs are aimed at indepth studies of conditions in near-Earth space and their impact on the human environment, as well as at the study of global climatic changes on Earth – International Living with a Star (ILWS) Program, Climate and Weather of the Sun–Earth System (CAWSES), International Space Weather Initiatives (ISWI), and others.

In this paper, we present a review of the space weather research and results obtained at IKFIA SB RAS in Russia. The Yakutsk Meridional Chain (YMC) and the main instrumentation are described in Section “Methods and Instrumentation”. New results of optical, ionospheric, VLF emissions, atmospheric electricity, cosmic noise absorption, and multi-instrumental observations in Yakutia are given in Section “Results from the Yakutsk Meridional Chain”. Participation of IKFIA SB RAS in international projects through the application of available multi-instrumental base is described in Section “International Cooperation”.

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