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    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="edn" pub-id-type="custom">WRFRIU</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-16962</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/16962</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геотехнология и инженерная геология</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geotechnical Engineering and Engineering Geology</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Statistical modeling of metal migration in soils of oil and gas condensate fields in the north of Western Siberia</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Статистическое моделирование миграции металлов в почвах нефтегазоконденсатных месторождений севера Западной Сибири</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Opekunov</surname>
            <given-names>Anatolii Yu.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Опекунов</surname>
              <given-names>А. Ю.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Opekunov</surname>
              <given-names>Anatolii Yu.</given-names>
            </name>
          </name-alternatives>
          <email>a_opekunov@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-8885-9068</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский государственный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg State University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Opekunova</surname>
            <given-names>Marina G.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Опекунова</surname>
              <given-names>М. Г.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Opekunova</surname>
              <given-names>Marina G.</given-names>
            </name>
          </name-alternatives>
          <email>m.opekunova@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-4592-0623</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский государственный университет (Санкт-Птеребург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg State University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kukushkin</surname>
            <given-names>Stepan Yu.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Кукушкин</surname>
              <given-names>С. Ю.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kukushkin</surname>
              <given-names>Stepan Yu.</given-names>
            </name>
          </name-alternatives>
          <email>stepic@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-4280-7075</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский государственный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg State University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2026-10-01">
        <day>01</day>
        <month>10</month>
        <year>2026</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2026</year>
      </pub-date>
      <volume>281</volume>
      <issue>1</issue>
      <fpage>36</fpage>
      <lpage>54</lpage>
      <history>
        <date date-type="received" iso-8601-date="2026-03-31">
          <day>31</day>
          <month>03</month>
          <year>2026</year>
        </date>
        <date date-type="accepted" iso-8601-date="2026-06-25">
          <day>25</day>
          <month>06</month>
          <year>2026</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2026-09-30">
          <day>30</day>
          <month>09</month>
          <year>2026</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2026 А. Ю. Опекунов, М. Г. Опекунова, С. Ю. Кукушкин</copyright-statement>
        <copyright-statement xml:lang="en">© 2026 Anatolii Yu. Opekunov, Marina G. Opekunova, Stepan Yu. Kukushkin</copyright-statement>
        <copyright-year>2026</copyright-year>
        <copyright-holder xml:lang="ru">А. Ю. Опекунов, М. Г. Опекунова, С. Ю. Кукушкин</copyright-holder>
        <copyright-holder xml:lang="en">Anatolii Yu. Opekunov, Marina G. Opekunova, Stepan Yu. Kukushkin</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/16962">https://pmi.spmi.ru/pmi/article/view/16962</self-uri>
      <abstract xml:lang="ru">
        <p>В статье рассматриваются механизмы миграции и иммобилизации металлов в почвах субарктики Западной Сибири в результате загрязнения при разработке месторождений углеводородного сырья. Исследования базируются на результатах анализа 106 проб почв и почвенных растворов на содержание металлов (Na, Ca, K, Fe, Mn, Cd, Cr, Zn, Sr, Cu, Ni, Ba, Pb, Co, V), а также нефтяных углеводородов в почве, отобранных на месторождениях и фоновых участках Надым-Пур-Тазовского междуречья. На основе геохимических данных проведено статистическое моделирование с использованием методов многомерной статистики. На первом этапе выполнены факторизация данных и интерпретация факторов с выявлением основных источников загрязнения, к которым отнесены буровые шламы, пластовые воды и работа автотранспорта. Дискриминантный анализ позволил сгруппировать пробы по характеру воздействия. Многомерный дисперсионный анализ дал возможность выделить ведущие факторы потенциала подвижности металлов в почвах, использованных при выполнении множественного регрессионного анализа (МРА) в качестве предикторов. МРА выявил основные механизмы мобилизации металлов в раствор: конкурентная сорбция (Mn, Sr, Co, Pb, Cr, Ca, Ba, Zn), ионная сила раствора (Na, Mn, Zn), подщелачивание почв (Cr, V) и гидрофобизация нефтяными углеводородами (Sr, Zn). Установлено, что иммобилизация наиболее эффективна в процессах ионообменной сорбции на аморфных оксигидроксидах Fe (Na, Ca, Mn, Sr, Zn), Mn (Ba, Co, Cr, Pb), органическом веществе гумусового ряда (Sr, Ba). Дана подробная характеристика поведения металлов в условиях загрязнения. Показано, что латеральная миграция металлов в изученных условиях составляет 150-200 м. Проведены оценка достоверности множественных регрессионных моделей и внутренняя валидация на экспериментальных данных. На основе анализа механизмов мобилизации и иммобилизации металлов даны рекомендации по снижению миграционного потенциала поллютантов.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The article examines the mechanisms of metal migration and immobilization in the soils of the Western Siberian Subarctic resulting from contamination associated with hydrocarbon development. The research is based on the analysis of 106 soil and soil solution samples for metal content (Na, Ca, K, Fe, Mn, Cd, Cr, Zn, Sr, Cu, Ni, Ba, Pb, Co, V) and petroleum hydrocarbons in the soil, collected at oil fields and background sites in the Nadym-Pur-Taz interfluve. Statistical modeling based on geochemical data was conducted using multivariate statistical methods. The first stage involved data factorization and factor interpretation, identifying drilling cuttings, formation waters, and motor vehicles as primary sources of pollution. Discriminant analysis enabled the grouping of samples based on the nature of the impact. Multivariate analysis of variance made it possible to identify the key factors governing metal mobility potential in soils. These factors were subsequently used as predictors in multiple regression analysis (MRA). MRA revealed the primary mechanisms of metal mobilization into solution: competitive sorption (Mn, Sr, Co, Pb, Cr, Ca, Ba, Zn), solution ionic strength (Na, Mn, Zn), soil alkalinization (Cr, V), and hydrophobization by petroleum hydrocarbons (Sr, Zn). It has been established that immobilization is most effective during ion-exchange sorption processes involving amorphous oxyhydroxides of Fe (Na, Ca, Mn, Sr, Zn) and Mn (Ba, Co, Cr, Pb), as well as organic matter of the humic series (Sr, Ba). A detailed characterization of metal behavior under contamination conditions is provided. It has been shown that the lateral migration of metals under the studied conditions ranges from 150 to 200 m. The reliability of multiple regression models was assessed, and internal validation was performed using experimental data. Based on an analysis of metal mobilization and immobilization mechanisms, recommendations are provided for reducing the migration potential of pollutants.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>буровые шламы</kwd>
        <kwd>пластовые воды</kwd>
        <kwd>конкурентная сорбция металлов</kwd>
        <kwd>гидрофобизация почв</kwd>
        <kwd>мобилизация металлов</kwd>
        <kwd>иммобилизация металлов</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>drilling cuttings</kwd>
        <kwd>formation waters</kwd>
        <kwd>competitive metal sorption</kwd>
        <kwd>soil hydrophobization</kwd>
        <kwd>metal mobilization</kwd>
        <kwd>metal  immobilization</kwd>
      </kwd-group>
      <funding-group>
        <funding-statement xml:lang="ru">Работа выполнена при поддержке СПбГУ (проект ID 159084796).</funding-statement>
        <funding-statement xml:lang="en">The authors acknowledge Saint Petersburg State University for а research project (ID 159084796).</funding-statement>
      </funding-group>
    </article-meta>
  </front>
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