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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Earth Sciences</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Earth Sciences</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Russian Journal of Earth Sciences</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="online">1681-1208</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">106789</article-id>
   <article-id pub-id-type="doi">10.2205/2025ES001092</article-id>
   <article-id pub-id-type="edn">ssmngi</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>ORIGINAL ARTICLES</subject>
    </subj-group>
    <subj-group>
     <subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Deep Water Exchange Through Fracture Zones In The North Atlantic Ridge, Central Atlantic</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Гидрохимические характеристики глубинных и донных вод в разломах Северо-Атлантического хребта</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-1489-8933</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Селиверстова</surname>
       <given-names>Анна Михайловна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Seliverstova</surname>
       <given-names>Anna Mikhailovna</given-names>
      </name>
     </name-alternatives>
     <email>201219941315ann@gmail.com</email>
     <bio xml:lang="ru">
      <p>адъюнкт географических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>adjunct of geographical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6856-4783</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Зуев</surname>
       <given-names>Олег Александрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Zuev</surname>
       <given-names>Oleg Aleksandrovich</given-names>
      </name>
     </name-alternatives>
     <email>qillous@gmail.com</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9611-9852</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Ефимова</surname>
       <given-names>Ксения Алексеевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Efimova</surname>
       <given-names>Ksenia Alekseevna</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Институт океанологии имени П. П. Ширшова</institution>
     <city>Moscow</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Institute of Oceanology. PP Shirshov Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Институт океанологии им. П.П. Ширшова РАН</institution>
    </aff>
    <aff>
     <institution xml:lang="en">P.P.Shirshov Institute of Oceanology of the Russian Academy of Science</institution>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Арктический и антарктический научно-исследовательский институт</institution>
     <city>St Petersburg</city>
     <country>RU</country>
    </aff>
    <aff>
     <institution xml:lang="en">Arctic and Antarctic Research Institute</institution>
     <city>St Petersburg</city>
     <country>RU</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-12-09T18:05:10+03:00">
    <day>09</day>
    <month>12</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-12-09T18:05:10+03:00">
    <day>09</day>
    <month>12</month>
    <year>2025</year>
   </pub-date>
   <volume>25</volume>
   <issue>5</issue>
   <elocation-id>ES5024</elocation-id>
   <history>
    <date date-type="received" iso-8601-date="2025-11-18T00:00:00+03:00">
     <day>18</day>
     <month>11</month>
     <year>2025</year>
    </date>
    <date date-type="accepted" iso-8601-date="2025-12-01T00:00:00+03:00">
     <day>01</day>
     <month>12</month>
     <year>2025</year>
    </date>
   </history>
   <self-uri xlink:href="https://rjes.ru/en/nauka/article/106789/view">https://rjes.ru/en/nauka/article/106789/view</self-uri>
   <abstract xml:lang="ru">
    <p>В работе исследованы свойства глубинных и придонных вод в четырёх ранее неизученных трансформных разломах Северо-Атлантического хребта, находящихся между 24∘ с. ш. и 36∘ с. ш. На основе новых натурных данных изучена пространственная изменчивость термохалинной и гидрохимической структуры в каждом из разломов. В меридиональном направлении подтверждено уменьшение температуры и концентрации кислорода, а также увеличение концентрации биогенных элементов с севера на юг по обе стороны Северо-Атлантического хребта. Показано отсутствие перетока придонной воды из Восточной Атлантики в Западную, что в главной степени обусловлено большим количеством орографических препятствий внутри разломов и положительным горизонтальным градиентом плотности. Установлено наличие глубинного водообмена между разными частями Атлантики во всех разломах. В северных разломах поток направлен преимущественно на запад на глубинах 2200–2800 м, в южных – преобладает восточный перенос на глубинах 3100–4400 м. Таким образом происходит обновление глубинных вод внутри разломов, а также их перенос через Северо-Атлантический хребет.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The study investigates the properties of deep and bottom waters in four previously unexplored fracture zones of the Mid-Atlantic Ridge located between 24° N and 36° N. Based on new field data, the spatial variability of thermohaline and hydrochemical structures in each of the fracture zones was studied. In the meridional direction, a decrease in oxygen and temperature and an increase in the concentrations of nutrients from north to south on both sides of the Mid-Atlantic Ridge have been confirmed. The absence of bottom water flow from the Eastern Atlantic to the Western Atlantic was shown to be mainly due to the large number of orographic obstacles within the fracture zones and the positive horizontal density gradient. The presence of deep water exchange between different parts of the Atlantic in all fracture zones was established. In the northern fracture zones, the flow is directed mainly westward at depths of 2200-2800 m, while in the southern fracture zones, eastward transport prevails at depths of 3100-4400 m. Thus, deep waters are renewed within the fracture zones and transported across the Mid-Atlantic Ridge.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>трансформный разлом</kwd>
    <kwd>растворенный кислород</kwd>
    <kwd>биогенные элементы</kwd>
    <kwd>водные массы</kwd>
    <kwd>придонный поток</kwd>
    <kwd>термохалинная структура</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>transform fracture zone</kwd>
    <kwd>dissolved oxygen</kwd>
    <kwd>nutrients</kwd>
    <kwd>water masses</kwd>
    <kwd>bottom flow</kwd>
    <kwd>thermohaline structure</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа выполнена в рамках гранта РНФ № 24-27-00181.</funding-statement>
    <funding-statement xml:lang="en">The work was carried out within the framework of the Russian Science Foundation grant No. 24-27-00181.</funding-statement>
   </funding-group>
  </article-meta>
 </front>
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