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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">28031</article-id>
   <article-id pub-id-type="doi">10.12737/szf-54201908</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">Fast subauroral drifts of ionospheric plasma according to data from Yakut meridional chain of stations</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Наблюдение быстрых субавроральных дрейфов ионосферной плазмы по данным Якутской меридиональной цепочки станций</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <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>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кобякова</surname>
       <given-names>Саргылана Егоровна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kobyakova</surname>
       <given-names>Sargylana Egorovna</given-names>
      </name>
     </name-alternatives>
     <email>s.e.kobyakova@ikfia.ysn.ru</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Халипов</surname>
       <given-names>Виктор Лаврентьевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Khalipov</surname>
       <given-names>Viktor Lavrentyevich</given-names>
      </name>
     </name-alternatives>
     <email>khalipovvictor@mail.ru</email>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <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>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <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>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Институт космических исследований РАН</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Space Research Institute RAS</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <volume>5</volume>
   <issue>4</issue>
   <fpage>73</fpage>
   <lpage>79</lpage>
   <self-uri xlink:href="https://zh-szf.ru/en/nauka/article/28031/view">https://zh-szf.ru/en/nauka/article/28031/view</self-uri>
   <abstract xml:lang="ru">
    <p>По многолетним данным Якутской меридиональной цепочки ионосферных станций Якутск—Жиганск—Батагай—Тикси рассмотрены ионосферные признаки быстрых субавроральных ионных дрейфов. Показано, что резкие падения, или «срывы» критических частот (СКЧ) ионосферного F-слоя, являются одним из основных признаков развития быстрых субавроральных ионных дрейфов вблизи или в зените станции наблюдения. Сопоставление многолетних наземных и спутниковых измерений показывает, что имеется хорошее согласие в сезонном ходе вероятности появления СКЧ по наземным данным и субавроральных ионных дрейфов по данным спутников DMSP. Такое совпадение подразумевает, что и спутниковые, и наземные методы измерений регистрируют одно и то же явление на приграничных областях плазмосферы — возникновение и развитие электрических полей магнитосферного происхождения. Показано также, что местное время регистрации СКЧ по наземным данным близко совпадает с временем появления субавроральных поляризационных потоков плазмы по спутниковым данным. Можно заключить, что большинство наблюдаемых по наземным данным СКЧ относятся к интенсивным бурям.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Using long-term data from Yakut meridional chain of Yakutsk — Zhigansk — Batagay — Tixie ionospheric stations, we study ionospheric signatures of fast subauroral ion drift. Sharp drops or “falls” of critical frequencies (FCF) of the ionospheric F layer are shown to be one of the main signatures of the development of fast subauroral ion drifts near or at the zenith of the observation station. Comparison between long-term ground-based and satellite measurements indicates that there is good agreement between seasonal variation in the probability of occurrence of FCF derived from ground-based data and subauroral ion drifts derived from DMSP satellite data. Such a coincidence implies that both satellite and ground-based measurement methods register the same phenomenon in the boundary layers of the plasmasphere, namely, the appearance and development of electric fields of magnetospheric origin. The local time for recording of falls of the critical frequency derived from the ground-based data is shown to closely coincide with the appearance time of subauroral polarization streams of plasma according to satellite data. We can therefore conclude that most of the observed FCFs derived from ground-based data refer to intense storms.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>субавроральная ионосфера</kwd>
    <kwd>меридиональная цепочка станций</kwd>
    <kwd>срывы критических частот</kwd>
    <kwd>поляризационный джет</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>subauroral ionosphere</kwd>
    <kwd>meridional chain of stations</kwd>
    <kwd>falls of critical frequencies</kwd>
    <kwd>polarization jet</kwd>
   </kwd-group>
  </article-meta>
 </front>
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