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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Solnechno-Zemnaya Fizika</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Solnechno-Zemnaya Fizika</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Солнечно-земная физика</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="online">2712-9640</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">84045</article-id>
   <article-id pub-id-type="doi">10.12737/szf-111202502</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Результаты  исследований</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Results of current research</subject>
    </subj-group>
    <subj-group>
     <subject>Результаты  исследований</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Analysis of helio- and geophysical events in October–November 2021 from comprehensive observations of SHICRA SB RAS</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Анализ гелио- и геофизических событий в октябре–ноябре 2021 г. по комплексным наблюдениям ИКФИА СО РАН</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Козлов</surname>
       <given-names>Владимир Ильич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kozlov</surname>
       <given-names>Vladimir Il'ich</given-names>
      </name>
     </name-alternatives>
     <email>v.kozlov@ikfia.ysn.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2343-1618</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Стародубцев</surname>
       <given-names>Сергей Анатольевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Starodubtsev</surname>
       <given-names>Sergei Anatolyevich</given-names>
      </name>
     </name-alternatives>
     <email>starodub@ikfia.ysn.ru</email>
     <bio xml:lang="ru">
      <p>доктор физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of physical and mathematical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1348-4708</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Григорьев</surname>
       <given-names>Владислав Георгиевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Grigoryev</surname>
       <given-names>Vladislav Georgievich</given-names>
      </name>
     </name-alternatives>
     <email>grig@ikfia.ysn.ru</email>
     <bio xml:lang="ru">
      <p>кандидат физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of physical and mathematical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Баишев</surname>
       <given-names>Дмитрий Гаврильевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Baishev</surname>
       <given-names>Dmitry Gavrilyevich</given-names>
      </name>
     </name-alternatives>
     <email>baishev@ikfia.ysn.ru</email>
     <bio xml:lang="ru">
      <p>кандидат физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of physical and mathematical sciences;</p>
     </bio>
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    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Макаров</surname>
       <given-names>Георгий Афанасьевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Makarov</surname>
       <given-names>Georgy Afanasyevich</given-names>
      </name>
     </name-alternatives>
     <email>gmakarov@ikfia.sbras.ru</email>
     <bio xml:lang="ru">
      <p>кандидат физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of physical and mathematical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Павлов</surname>
       <given-names>Егор Айсенович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Pavlov</surname>
       <given-names>Egor Aysenovich</given-names>
      </name>
     </name-alternatives>
     <email>pochta_baki@mail.ru</email>
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    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Каримов</surname>
       <given-names>Рустам Рамильевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Karimov</surname>
       <given-names>Rustam Ramilyevich</given-names>
      </name>
     </name-alternatives>
     <email>karimov@ikfia.ysn.ru</email>
     <bio xml:lang="ru">
      <p>кандидат физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of physical and mathematical sciences;</p>
     </bio>
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    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1892-1839</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Корсаков</surname>
       <given-names>Алексей Анатольевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Korsakov</surname>
       <given-names>Aleksey Anatol'evich</given-names>
      </name>
     </name-alternatives>
     <email>korsakovaa@ikfia.ysn.ru</email>
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    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Степанов</surname>
       <given-names>Александр Егорович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Stepanov</surname>
       <given-names>Aleksandr Egorovich</given-names>
      </name>
     </name-alternatives>
     <email>a_e_stepanov@ikfia.ysn.ru</email>
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    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Колтовской</surname>
       <given-names>Игорь Иннокентьевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Koltovskoi</surname>
       <given-names>Igor Innokentyevich</given-names>
      </name>
     </name-alternatives>
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    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Аммосов</surname>
       <given-names>Петр Петрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ammosov</surname>
       <given-names>Petr Petrovich</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of physical and mathematical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-11"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гаврильева</surname>
       <given-names>Галина Алексеевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Gavrilieva</surname>
       <given-names>Galina Alekseevna</given-names>
      </name>
     </name-alternatives>
     <email>gagavrilyeva@ikfia.ysn.ru</email>
     <xref ref-type="aff" rid="aff-12"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5190-6580</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Иевенко</surname>
       <given-names>Игорь Борисович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ievenko</surname>
       <given-names>Igor Borisovich</given-names>
      </name>
     </name-alternatives>
     <email>ievenko@ikfia.ysn.ru</email>
     <bio xml:lang="ru">
      <p>кандидат физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of physical and mathematical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-13"/>
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    <aff>
     <institution xml:lang="ru">Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН</institution>
     <city>Якутск</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Yu.G. Shafer Institute of Cosmophysical Research  and Aeronomy SB RAS</institution>
     <city>Yakutsk</city>
     <country>Russian Federation</country>
    </aff>
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   <aff-alternatives id="aff-2">
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    <aff>
     <institution xml:lang="en">Yu.G. Shafer Institute of Cosmophysical Research  and Aeronomy SB RAS</institution>
     <city>Yakutsk</city>
     <country>Russian Federation</country>
    </aff>
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   <aff-alternatives id="aff-13">
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     <institution xml:lang="ru">Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН</institution>
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     <institution xml:lang="en">Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy SB RAS</institution>
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   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-03-26T19:00:02+03:00">
    <day>26</day>
    <month>03</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-03-26T19:00:02+03:00">
    <day>26</day>
    <month>03</month>
    <year>2025</year>
   </pub-date>
   <volume>11</volume>
   <issue>1</issue>
   <fpage>10</fpage>
   <lpage>30</lpage>
   <history>
    <date date-type="received" iso-8601-date="2024-06-13T00:00:00+03:00">
     <day>13</day>
     <month>06</month>
     <year>2024</year>
    </date>
    <date date-type="accepted" iso-8601-date="2024-12-16T00:00:00+03:00">
     <day>16</day>
     <month>12</month>
     <year>2024</year>
    </date>
   </history>
   <self-uri xlink:href="https://zh-szf.ru/en/nauka/article/84045/view">https://zh-szf.ru/en/nauka/article/84045/view</self-uri>
   <abstract xml:lang="ru">
    <p>Приведены результаты комплексных наблюдений проявлений космической погоды во время геофизических событий в конце октября – начале ноября 2021 г. на Якутской меридиональной геофизической сети ИКФИА СО РАН, включающей в себя комплекс различных научных приборов установленных на станциях «Якутск», «Маймага», «Жиганск» и «Тикси» (нейтронные мониторы, ионозонд, риометр, приемники ОНЧ-радиошумов и сигналов навигационных радиостанций, магнитометры), а также комплекс оптических приборов установленных на ст. «Маймага». Представлены результаты анализа явлений, происходивших в околоземном космическом пространстве, ионосфере и атмосфере Земли в северо-восточном секторе Сибири. Изучены свойства наблюдавшихся в это время геофизических эффектов проявления космической погоды: форбуш-понижений космических лучей, геомагнитной бури и суббури, риометрического поглощения, возникновения электроструи, квазипериодических широкополосных радиошипений. Проведена оценка изменения эффективной высоты волновода Земля—ионосфера, критических частот F2-слоя ионосферы, поглощения радиоволн коротковолнового диапазона, температуры нейтральной атмосферы, лучистой полосы сияния в эмиссиях 557.7 и 630.0 нм, а также области интенсивных полярных сияний и авроральной красной дуги (SAR-дуга).</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The paper reports the results of comprehensive observations of space weather manifestations during geophysical events at the end of October – beginning of November 2021 at the Yakut meridional geophysical network of SHICRA SB RAS equipped with a complex of various scientific instruments installed at the stations Yakutsk, Maimaga, Zhigansk, and Tixie Bay (neutron monitors, an ionosonde, a riometer, receivers of VLF radio noise and signals from navigation radio stations, magnetometers), as well as a complex of optical instruments installed in Maimaga. We present the results of the analysis of phenomena occurring in near-Earth space, Earth’s ionosphere and atmosphere in the North-Eastern sector of Siberia. We examine the properties of the geophysical effects of space weather observed at this time: Forbush decreases of cosmic rays, geomagnetic storm and substorm, riometric absorption, the occurrence of electrojet, quasi-periodic broadband radio hisses, assess changes in the effective height of the Earth—ionosphere waveguide, F2-layer critical frequencies, absorption of short-wave radio waves, temperature of the neutral atmosphere, radiant auroral band in 557.7 and 630.0 nm emissions, as well as the region of intense auroras and auroral red arc (SAR arc).</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>солнечная вспышка</kwd>
    <kwd>магнитная буря</kwd>
    <kwd>форбуш-понижение</kwd>
    <kwd>полярное сияние</kwd>
    <kwd>авроральная дуга</kwd>
    <kwd>нейтронный монитор</kwd>
    <kwd>ионозонд</kwd>
    <kwd>риометр</kwd>
    <kwd>приемник ОНЧ-радиошумов и сигналов навигационных радиостанций</kwd>
    <kwd>магнитометры</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>solar flare</kwd>
    <kwd>magnetic storm</kwd>
    <kwd>Forbush decrease</kwd>
    <kwd>aurora</kwd>
    <kwd>auroral arc</kwd>
    <kwd>neutron monitor</kwd>
    <kwd>ionosonde</kwd>
    <kwd>riometer</kwd>
    <kwd>receiver of VLF radio noise and signals from navigation radio stations</kwd>
    <kwd>magnetometers</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Минобрнауки РФ на выполнение Государственного задания ИКФИА СО РАН</funding-statement>
    <funding-statement xml:lang="en">The work was financially supported by the Ministry of Science and Higher Education of the Russian Federation for implementation of the State assignment of SHICRA SB RAS</funding-statement>
   </funding-group>
  </article-meta>
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