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  <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">38966</article-id>
   <article-id pub-id-type="doi">10.12737/szf-71202103</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">Studying the small-scale structure of a polarization jet during the April 20, 2018 geomagnetic storm</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Исследование мелкомасштабной структуры поляризационного джета во время геомагнитной бури 20 апреля 2018 г.</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Синевич</surname>
       <given-names>Александр Алексеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Sinevich</surname>
       <given-names>Aleksandr Alekseevich</given-names>
      </name>
     </name-alternatives>
     <email>sinevich.aa@gmail.com</email>
     <xref ref-type="aff" rid="aff-1"/>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Чернышов</surname>
       <given-names>Александр Александрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Chernyshov</surname>
       <given-names>Aleksandr Aleksandrovich</given-names>
      </name>
     </name-alternatives>
     <email>achernyshov@iki.rssi.ru</email>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5809-0921</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Чугунин</surname>
       <given-names>Дмитрий Владимирович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Chugunin</surname>
       <given-names>Dmitriy Vladimirovich</given-names>
      </name>
     </name-alternatives>
     <email>dimokch@mail.ru</email>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Милох</surname>
       <given-names>В. Я.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Miloch</surname>
       <given-names>W. J.</given-names>
      </name>
     </name-alternatives>
     <email>w.j.miloch@fys.uio.no</email>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Могилевский</surname>
       <given-names>Михаил Менделевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Mogilevsky</surname>
       <given-names>Michael Mendelevich</given-names>
      </name>
     </name-alternatives>
     <email>mogilevsky2012@gmail.com</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-6"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <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 of RAS</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Национальный исследовательский университет «Высшая школа экономики»</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">National Research University Higher School of Economics</institution>
     <city>Moscow</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 of RAS</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <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 of RAS</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Факультет физики, Университет Осло</institution>
     <city>Осло</city>
     <country>Норвегия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Факультет физики, Университет Осло</institution>
     <city>Oslo</city>
     <country>Norway</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-6">
    <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 of RAS</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <volume>7</volume>
   <issue>1</issue>
   <fpage>21</fpage>
   <lpage>33</lpage>
   <history>
    <date date-type="received" iso-8601-date="2020-07-29T00:00:00+03:00">
     <day>29</day>
     <month>07</month>
     <year>2020</year>
    </date>
    <date date-type="accepted" iso-8601-date="2020-10-19T00:00:00+03:00">
     <day>19</day>
     <month>10</month>
     <year>2020</year>
    </date>
   </history>
   <self-uri xlink:href="https://naukaru.ru/en/nauka/article/38966/view">https://naukaru.ru/en/nauka/article/38966/view</self-uri>
   <abstract xml:lang="ru">
    <p>В настоящей работе проведено исследование мелкомасштабной структуры поляризационного джета в субавроральной области во время геомагнитной бури 20 апреля 2018 г. Представлены результаты измерений параметров плазмы внутри поляризационного джета с максимальной частотой опроса 1 кГц с помощью зондов Ленгмюра, установленных на микроспутнике NorSat-1. В результате исследования установлено наличие неоднородностей температуры и концентрации электронов внутри поляризационного джета с пространственными размерами десятки — сотни метров. Подтверждены известные ранее особенности развития поляризационного джета, а также обнаружено, что в рассмотренном случае с развитием геомагнитной активности распределение температуры электронов внутри джета разделяется на два ярко выраженных пика.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>In this work, we study the small-scale structure of a polarization jet in the subauroral region during the April 20, 2018 geomagnetic storm. We report measurement results of plasma parameters inside the polarization jet with a maximum sampling rate of up to 1 kHz, obtained with Langmuir probes installed on the NorSat-1 microsatellite. The study establishes the presence of temperature and electron density inhomogeneities inside the polarization jet with spatial dimensions of tens to hundreds of meters. The previously known features of the polarization jet evolution have been confirmed. We have also found that the distribution of the electron temperature inside the jet forms two separate peaks as the geomagnetic activity develops during the storm.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>поляризационный джет</kwd>
    <kwd>субавроральная ионосфера</kwd>
    <kwd>геомагнитная активность</kwd>
    <kwd>спутниковые данные</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>polarization jet</kwd>
    <kwd>subauroral ionosphere</kwd>
    <kwd>geomagnetic activity</kwd>
    <kwd>satellite data</kwd>
   </kwd-group>
  </article-meta>
 </front>
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  <p></p>
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