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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Solar-Terrestrial Physics</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Solar-Terrestrial Physics</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Солнечно-земная физика / Solnechno-Zemnaya Fizika / Solar-Terrestrial Physics</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">73786</article-id>
   <article-id pub-id-type="doi">10.12737/szf-102202405</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">Lifetime of a polarization jet during long-term magnetic storms</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Время жизни поляризационного джета при длительных магнитных бурях</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>Данилов</surname>
       <given-names>Спиридон Ильич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Danilov</surname>
       <given-names>Spiridon Il'ich</given-names>
      </name>
     </name-alternatives>
     <email>dinox292@gmail.com</email>
     <xref ref-type="aff" rid="aff-2"/>
    </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>
     <xref ref-type="aff" rid="aff-3"/>
    </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-4"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8488-8654</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Котова</surname>
       <given-names>Галина Аврамовна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kotova</surname>
       <given-names>Galina Avramovna</given-names>
      </name>
     </name-alternatives>
     <email>kotova@iki.rssi.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>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-6"/>
    </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 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-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 RAS</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <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>
   <aff-alternatives id="aff-6">
    <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>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2024-06-25T17:45:26+03:00">
    <day>25</day>
    <month>06</month>
    <year>2024</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2024-06-25T17:45:26+03:00">
    <day>25</day>
    <month>06</month>
    <year>2024</year>
   </pub-date>
   <volume>10</volume>
   <issue>2</issue>
   <fpage>53</fpage>
   <lpage>59</lpage>
   <history>
    <date date-type="received" iso-8601-date="2024-01-23T00:00:00+03:00">
     <day>23</day>
     <month>01</month>
     <year>2024</year>
    </date>
    <date date-type="accepted" iso-8601-date="2024-04-25T00:00:00+03:00">
     <day>25</day>
     <month>04</month>
     <year>2024</year>
    </date>
   </history>
   <self-uri xlink:href="https://zh-szf.ru/en/nauka/article/73786/view">https://zh-szf.ru/en/nauka/article/73786/view</self-uri>
   <abstract xml:lang="ru">
    <p>В работе рассматриваются условия появления и характерные временные масштабы поляризационного джета во время сильных и длительных геомагнитных бурь на основе измерений ионосферных параметров на спутниках серии DMSP (h~830 км) и на наземной ионосферной станции «Якутск» (YA462). Поляризационный джет на ионосферной станции «Якутск» регистрировался в вечернем секторе на фоне суббуревых возмущений, когда геомагнитный индекс SME достигал от 1000 до ~3000 нТл и по данным магнитной обсерватории «Якутск» (YAK) наблюдались положительные бухты величиной ~50–100 нТл в H-компоненте     и ~100–200 нТл в Z-компоненте магнитного поля Земли. Показано, что время существования поляризационного джета, или узких провалов ионосферной плазмы в субавроральной ионосфере, во время сильных и длительных магнитных бурь может достигать 12 ч.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The paper examines conditions of occurrence and typical time scales of a polarization jet by measuring ionospheric parameters from DMSP satellites (h~830 km) and using data from the ground-based ionospheric station Yakutsk (YA462) during strong and long-term geomagnetic storms. The polarization jet at the ionospheric station Yakutsk was recorded in the dusk sector at the background of substorm disturbances when the geomagnetic index SME reached values from 1000 to ~3000 nT, and, according to data from the magnetic observatory Yakutsk (YAK), there was a positive bay ~50–100 nT in the geomagnetic field H component and ~100–200 nT in its Z component. We show that the lifetime of the polarization jet or narrow troughs in ionospheric plasma in the subauroral ionosphere during strong and long-term magnetic storms can be as long as 12 hrs.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>ионосфера</kwd>
    <kwd>магнитосфера</kwd>
    <kwd>поляризационный джет</kwd>
    <kwd>SME-индекс</kwd>
    <kwd>дрейф плазмы</kwd>
    <kwd>узкий провал</kwd>
    <kwd>магнитная буря и суббуря</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>ionosphere</kwd>
    <kwd>magnetosphere</kwd>
    <kwd>polarization jet</kwd>
    <kwd>SME index</kwd>
    <kwd>plasma drift</kwd>
    <kwd>narrow dip</kwd>
    <kwd>magnetic storm and substorm</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания (проект 0297-2021-0009, номер госрегистрации № 12201 700182-1) и частично поддержана грантом РФФИ № 21-55-50013</funding-statement>
    <funding-statement xml:lang="en">The work was carried out under of the Government assignment (Project 0297-2021-0009, State Registration Number 122011700182-1) and partially supported by RFBR Grant No. 21-55-50013</funding-statement>
   </funding-group>
  </article-meta>
 </front>
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  <p></p>
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