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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">Morskoj gidrofizičeskij žurnal</journal-id>
      <journal-title-group>
        <journal-title xml:lang="en">Morskoj gidrofizičeskij žurnal</journal-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Морской гидрофизический журнал</trans-title>
        </trans-title-group>
      </journal-title-group>
      <issn publication-format="print">0233-7584</issn>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="publisher-id">20260301</article-id>
      <article-id pub-id-type="edn">HQFPPA</article-id>

      <article-categories>
        <subj-group subj-group-type="toc-heading" xml:lang="ru">
          <subject>Анализ результатов наблюдений и методы расчета гидрофизических полей океана</subject>
        </subj-group>
        <subj-group subj-group-type="toc-heading" xml:lang="en">
          <subject>Analysis of observations and methods of calculating Hydrophysical fields in the ocean</subject>
        </subj-group>
        <subj-group subj-group-type="article-type">
          <subject>Research Article</subject>
        </subj-group>
      </article-categories>

      <title-group>
        <article-title xml:lang="ru">Проявление и характеристики морских волн тепла в северо-западной части Тихого океана</article-title>
        <trans-title-group xml:lang="en">
          <trans-title>Manifestations and Characteristics of Marine Heat Waves in the Northwestern Pacific Ocean</trans-title>
        </trans-title-group>
      </title-group>

      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5081-7279</contrib-id>
          <contrib-id contrib-id-type="scopus">6603588318</contrib-id>
          <contrib-id contrib-id-type="researcherid">AAG-5614-2021</contrib-id>
          <contrib-id contrib-id-type="spin">2329-0391</contrib-id>
          <name-alternatives>
            <name xml:lang="ru">
              <surname>Ростов</surname>
              <given-names>И. Д.</given-names>
            </name>
            <name xml:lang="en">
              <surname>Rostov</surname>
              <given-names>I. D.</given-names>
            </name>
          </name-alternatives>
          <address>
            <country country="RU">Russian Federation</country>
          </address>
          <bio xml:lang="ru"><p>ведущий научный сотрудник, лаборатория информатики и мониторинга океана, ФГБУН ТОИ им. В. И. Ильичева ДВО РАН (690041, Россия, г. Владивосток, ул. Балтийская, д. 43), кандидат географических наук</p></bio>
          <email>rostov@poi.dvo.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0094-5296</contrib-id>
          <contrib-id contrib-id-type="scopus">36788322900</contrib-id>
          <contrib-id contrib-id-type="spin">6818-1898</contrib-id>
          <name-alternatives>
            <name xml:lang="ru">
              <surname>Дмитриева</surname>
              <given-names>Е. В.</given-names>
            </name>
            <name xml:lang="en">
              <surname>Dmitrieva</surname>
              <given-names>E. V.</given-names>
            </name>
          </name-alternatives>
          <address>
            <country country="RU">Russian Federation</country>
          </address>
          <bio xml:lang="ru"><p>старший научный сотрудник, лаборатория информатики и мониторинга океана, ФГБУН ТОИ им. В. И. Ильичева ДВО РАН (690041, Россия, г. Владивосток, ул. Балтийская, д. 43), кандидат технических наук</p></bio>
          <email>e_dmitrieva@poi.dvo.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
      </contrib-group>

      <aff-alternatives id="aff1">
        <aff xml:lang="ru">
          <institution>Тихоокеанский океанологический институт им. В. И. Ильичева Дальневосточного отделения Российской академии наук</institution>
          <addr-line>Владивосток</addr-line>
          <country>Россия</country>
        </aff>
        <aff xml:lang="en">
          <institution>V. I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch of Russian Academy of Sciences</institution>
          <addr-line>Vladivostok</addr-line>
          <country>Russia</country>
        </aff>
      </aff-alternatives>

      <pub-date date-type="pub" iso-8601-date="2026-06-30" publication-format="electronic">
        <day>30</day>
        <month>06</month>
        <year>2026</year>
      </pub-date>
      <volume>42</volume>
      <issue>3</issue>
      <fpage>347</fpage>
      <lpage>364</lpage>

      <history>
        <date date-type="received" iso-8601-date="2026-01-14">
          <day>14</day>
          <month>01</month>
          <year>2026</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2026-01-30">
          <day>30</day>
          <month>01</month>
          <year>2026</year>
        </date>
        <date date-type="accepted" iso-8601-date="2026-03-16">
          <day>16</day>
          <month>03</month>
          <year>2026</year>
        </date>
      </history>

      <permissions>
        <copyright-statement xml:lang="ru">Copyright ©; 2026, Ростов И.Д., Дмитриева Е.В.</copyright-statement>
        <copyright-statement xml:lang="en">Copyright ©; 2026, Rostov I.D., Dmitrieva E.V.</copyright-statement>
        <copyright-year>2026</copyright-year>
        <copyright-holder xml:lang="ru">Ростов И.Д., Дмитриева Е.В.</copyright-holder>
        <copyright-holder xml:lang="en">Rostov I.D., Dmitrieva E.V.</copyright-holder>
        <ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/>
        <license>
          <ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0/</ali:license_ref>
        </license>
      </permissions>
      <self-uri xlink:href="https://xn--c1agq7a.xn--p1ai/repository/issues/2026/03/01/" xlink:title="Страница статьи">https://xn--c1agq7a.xn--p1ai/repository/issues/2026/03/01/</self-uri>

      <abstract xml:lang="ru">
        <p><bold>Цель.</bold> Определить характеристики и тенденции межгодовой изменчивости параметров морских волн тепла (МВТ) в северо-западной части Тихого океана за последние два десятилетия, а также проанализировать их причинно-следственные связи с крупномасштабными и региональными процессами в океане и атмосфере – цель настоящей работы.</p>
        <p><bold>Методы и результаты.</bold> Для анализа использовались климатические массивы данных NOAA. Применялись стандартные методы идентификации МВТ и оценки их амплитудно-частотных характеристик в узлах регулярной сетки. Результаты позволили детально охарактеризовать пространственно-временную изменчивость МВТ, включая частоту, их продолжительность, интенсивность, интегральные показатели (кумулятивную интенсивность и композитный индекс интенсивности), а также выявить межгодовые и сезонные тенденции в трех выделенных районах, расположенных в различных широтных зонах исследуемой акватории, и определить статистические связи характеристик МВТ c крупномасштабными и региональными процессами в океане и атмосфере.</p>
        <p><bold>Выводы.</bold> В исследуемом районе Тихого океана наблюдается устойчивый рост температуры морской поверхности: в среднем ~ 0,5 °С за 10 лет, с усилением тренда с юга на север (от 0,3 до 2 °С). Межгодовые колебания температуры (периодом 2–5 лет) связаны с индексом ENSO (NINO.W). За последние два десятилетия среднегодовая частота морских волн тепла составила ~ 3 события в год, увеличиваясь на 1,8 события за десятилетие, средняя продолжительность ~ 14 дней с положительным трендом 5,9 дня/10 лет. Выявлены статистически значимые связи параметров МВТ с крупномасштабными климатическими модами, а также тесная корреляция (R > 0,7) с изменениями приземной температуры воздуха и температуры поверхности океана в регионе.</p>
      </abstract>

      <trans-abstract xml:lang="en">
        <p><bold>Purpose.</bold> The purpose of the study is to determine the characteristics and trends of interannual variability of marine heat wave (MHW) parameters in the northwestern Pacific Ocean over the past two decades, as well as to analyze their causal-and-effect relations with large-scale and regional processes in the ocean and atmosphere.</p>
        <p><bold>Methods and Results.</bold> Analysis in the study was done using the NOAA climate datasets. Standard methods for identifying marine heat waves and assessing their amplitude-frequency characteristics at the regular grid points were applied. The obtained results made it possible to characterize in detail the spatial-temporal variability of marine heat waves including their frequency, duration, intensity, and integral parameters (cumulative intensity and composite intensity index). Besides, they permitted to reveal the interannual and seasonal trends in three denoted regions located in different latitudinal zones of the area under study, and to determine statistical relations between the marine heat wave characteristics and the large-scale and regional processes in the ocean and atmosphere.</p>
        <p><bold>Conclusions.</bold> The study area of the Pacific Ocean shows a stable increase in sea surface temperature, namely on average by ∼0.5 °C over 10 years with a growing trend from south to north (from 0.3 to 2 °C). The interannual fluctuations of sea surface temperature (periodicity is 2–5 years) are related to the changes of ENSO (NINO.W) index. Over the past two decades, the annual average frequency of marine heat waves was ∼3 events per year increasing by 1.8 events per decade, and its average duration was ∼14 days, with a positive trend of 5.9 days/10 years. The performed investigations have made it possible to reveal statistically significant relations between the marine heat wave parameters and the large-scale climatic modes, as well as a close correlation (R > 0.7) with the changes in surface air and ocean surface temperatures in the region.</p>
      </trans-abstract>

      <kwd-group xml:lang="ru">
        <kwd>северо-западная часть Тихого океана</kwd>
        <kwd>климатические изменения</kwd>
        <kwd>морские волны тепла</kwd>
        <kwd>климатические индексы</kwd>
        <kwd>корреляционные связи</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <kwd>northwestern Pacific Ocean</kwd>
        <kwd>climate changes</kwd>
        <kwd>marine heat waves</kwd>
        <kwd>climate indices</kwd>
        <kwd>correlation relationships</kwd>
      </kwd-group>

      <funding-group>
        <funding-statement xml:lang="ru">Работа выполнена в рамках темы № 124022100079-4 госзадания Тихоокеанского океанологического института им. В. И. Ильичева ДВО РАН «Исследование структуры и динамики вод Мирового океана в условиях современных климатических изменений».</funding-statement>
        <funding-statement xml:lang="en">The study was carried out within the framework of theme of state assignment of V. I. Ilychev Pacific Oceanological Institute FEB of RAS No. 124022100079-4 “Study of structure and dynamics of the World Ocean waters under conditions of modern climate changes”.</funding-statement>
      </funding-group>
    </article-meta>
  </front>

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