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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ekip</journal-id><journal-title-group><journal-title xml:lang="ru">Экология и промышленность России</journal-title><trans-title-group xml:lang="en"><trans-title>Ecology and Industry of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0395</issn><issn pub-type="epub">2413-6042</issn><publisher><publisher-name>ООО "Калвис"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0395-2023-4-61-65</article-id><article-id custom-type="elpub" pub-id-type="custom">ekip-2355</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>АНАЛИЗ. МЕТОДИКИ. ПРОГНОЗЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYSIS. METHODS. PROGNOSIS</subject></subj-group></article-categories><title-group><article-title>Кластерный анализ стандартизованных значений содержания микроэлементов твердой фазы снега городов Тобольск и Тюмень</article-title><trans-title-group xml:lang="en"><trans-title>On the Background Values of the Geochemical Spectra of Microelements of the Solid Phase of Snow During their Comparative Analysis in the Cities of Tobolsk And Tyumen</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Захарченко</surname><given-names>А.В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakharchenko</surname><given-names>A.V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р биол. наук, гл. науч. сотрудник</p></bio><bio xml:lang="en"><p>Dr. Sci. (Biol.), Chief Research Fellow</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пасько</surname><given-names>О.А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pasko</surname><given-names>O.A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р с.-х. наук, проректор по научной работе</p></bio><bio xml:lang="en"><p>Dr. Sci. (Agriculture), Vice-Rector for Research</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тигеев</surname><given-names>А.А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tigeev</surname><given-names>A.A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. географ. наук, ст. науч. сотрудник</p></bio><bio xml:lang="en"><p>Cand. Sci. (Geography), Senior Research Fellow</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Московченко</surname><given-names>Д.В.</given-names></name><name name-style="western" xml:lang="en"><surname>Moskovchenko</surname><given-names>D.V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р. геогр. наук, гл. науч. сотрудник</p></bio><bio xml:lang="en"><p>Dr. Sci. (Geography), Chief Research Fellow</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский научный центр СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen Scientific Center Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный открытый институт</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Open Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>12</day><month>04</month><year>2023</year></pub-date><volume>27</volume><issue>4</issue><fpage>61</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ООО "Калвис", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ООО "Калвис"</copyright-holder><copyright-holder xml:lang="en">ООО "Калвис"</copyright-holder><license xlink:href="https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ecology-kalvis.ru/jour/article/view/2355">https://www.ecology-kalvis.ru/jour/article/view/2355</self-uri><abstract><p>Выявление местной специфики геохимических спектров микроэлементов снеговой пыли гг. Тобольска и Тюмени проведено с помощью иерархического кластерного анализа стандартизованных значений их содержания. Изучены геохимические спектры точек отбора снега, расположенных в жилой и промышленной зонах, а также на значительном удалении от города (условный фон). Выделено четыре кластера для г. Тобольска и пять – для г. Тюмени, для каждого из которых определены характерные геохимические спектры и источники загрязнений.</p></abstract><trans-abstract xml:lang="en"><p>Local features of the geochemical spectra of trace elements in the snow dust of Tobolsk and Tyumen were revealed using a hierarchical cluster analysis of the normalized values of their content. Geochemical spectra of snow sampling points were studied in residential and industrial areas, as well as in significantly remote areas (conditional background). Four clusters were identified in Tobolsk and five in Tyumen, for each of them characteristic geochemical spectra and pollution sources were detected.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>снежный покров</kwd><kwd>твёрдые аэрозоли</kwd><kwd>кластерный анализ</kwd><kwd>микроэлементы</kwd><kwd>фоновые наблюдения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>snow cover</kwd><kwd>solid aerosols</kwd><kwd>cluster analysis</kwd><kwd>trace elements</kwd><kwd>background observations</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Moskovchenko D.V., Pozhitkov R.Yu, Zakharchenko A.V., Tigeev A.A. Concentrations of Major and Trace Elements within the Snowpack of Tyumen, Russia. Minerals. 2021. Vol. 11(7):709. https://doi.org/10.3390/min11070709 .</mixed-citation><mixed-citation xml:lang="en">Moskovchenko D.V., Pozhitkov R.Yu, Zakharchenko A.V., Tigeev A.A. 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