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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">gtcrust</journal-id><journal-title-group><journal-title xml:lang="ru">Геодинамика и тектонофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Geodynamics &amp; Tectonophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2078-502X</issn><publisher><publisher-name>Institute of the Earth's crust of the Russian Academy of Sciences, Siberian Branch</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.5800/GT-2016-7-1-0197</article-id><article-id custom-type="elpub" pub-id-type="custom">gtcrust-223</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>СОВРЕМЕННАЯ ГЕОДИНАМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RECENT GEODYNAMICS</subject></subj-group></article-categories><title-group><article-title>КЛАСТЕРНЫЙ АНАЛИЗ ГЕОЛОГО-ГЕОФИЗИЧЕСКИХ ПАРАМЕТРОВ В АРКТИЧЕСКОМ РЕГИОНЕ КАК ОСНОВА ДЛЯ ГЕОДИНАМИЧЕСКОЙ ИНТЕРПРЕТАЦИИ</article-title><trans-title-group xml:lang="en"><trans-title>CLUSTER ANALYSIS OF GEOLOGICAL AND GEOPHYSICAL PARAMETERS OF THE ARCTIC REGION AS THE BASE FOR GEODYNAMIC INTERPRETATION</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>Соколов</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolov</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. физ.-мат. наук, в.н.с.</p></bio><bio xml:lang="en"><p>Candidate of Physics and Mathematics, Lead Researcher</p></bio><email xlink:type="simple">sysokolov@yandex.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>Мазарович</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Mazarovich</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. геол.-мин. наук, зав. лабораторией геоморфологии и тектоники дна океанов</p></bio><bio xml:lang="en"><p>Doctor of Geology and Mineralogy, Head of Laboratory of Geomorphology and Ocean Floor Tectonics</p></bio><email xlink:type="simple">amazarovich@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Геологический институт РАН, 119017, Москва, Пыжевский пер., 7, Россия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Geological Institute of RAS, 7 Pyzhevsky Lane, Moscow 119017, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>18</day><month>03</month><year>2016</year></pub-date><volume>7</volume><issue>1</issue><fpage>59</fpage><lpage>83</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соколов С.Ю., Мазарович А.О., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Соколов С.Ю., Мазарович А.О.</copyright-holder><copyright-holder xml:lang="en">Sokolov S.Y., Mazarovich A.O.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.gt-crust.ru/jour/article/view/223">https://www.gt-crust.ru/jour/article/view/223</self-uri><abstract><p>Большой объем геолого-геофизических данных, накопленных к настоящему времени для Арктического региона, затрудняет их визуальный сравнительный анализ, что делает актуальным использование автоматизированных методов классификации, в частности методов многомерной статистики. Геодинамическое районирование региона базируется на обработке параметров, имеющих физический смысл, определяющий:</p><p>– геометрию объекта (границы раздела в коре и верхней мантии) и его физические свойства; – силы и энерговыделение в объекте; – характеристики движения как результат действия сил на объект и энерговыделение в нем.</p><p>Геодинамическая интерпретация данных с вышеуказанным смыслом и выделение геодинамических типов сводятся к обнаружению устойчивых сочетаний параметров не по точечным или пиковым значениям, а по усредненным значениям на больших площадях, что практически невозможно сделать вручную. Задача осложнена тем, что параметры прямого измерения на суше (скорость вертикальных движений) на акваториях отсутствуют. Это приводит к использованию других параметров, имеющих теоретическую зависимость от нужных характеристик энергии и движения, называемых суррогатными. Таким образом, в расчетах используется то, что доступно и имеет ненулевую корреляцию.</p><p>В результате расчетов по десяти параметрам (рельеф дна, мощность осадочного чехла, томография по поверхностным волна Лява, аномалии Буге и изостазия, тепловой поток, сейсмотомография по Sи Р-волнам, суммарный сейсмический момент и аномальное магнитное поле) методом кластерного анализа было выделено 14 устойчивых сочетаний, которые в соответствии с основными структурными зонами Северного Ледовитого океана могут быть условно поделены на три неравные группы:</p><p>1 – группа шельфа и континента; 2 – группа глубоководной части; 3 – группа переходных зон и наложенных структур.  Области проявления рассчитанных кластеров геолого-геофизических параметров интерпретируются как районы, имеющие различную структуру и геодинамические характеристики. Выявлено различие шельфовых зон по мощностям осадочного чехла, тектонической гетерогенности фундамента, тепловому потоку, аномальному магнитному полю и гравитационным аномалиям, отражающим характер границы раздела коры и верхней мантии. В пределах глубоководных зон по S-волнам выявлены аномально «холодные» блоки с повышенным уровнем теплового потока. Данное сочетание параметров существует в трансформных зонах, сочленяющих Атлантический и Арктический сегменты. Наложенные термальные купола имеют симметрию относительно оси срединно-океанических хребтов (СОХ). Они могут возникать и на континентах, близко прилегающих к СОХ. Аналогичные признаки прослеживаются вдоль переходной зоны к северу от ВосточноСибирского моря.</p></abstract><trans-abstract xml:lang="en"><p>Cluster analysis is applied for computing stable combinations of geological and geophysical parameters, and areas with such combinations are interpreted as regions that differ in structural and geodynamic features. The shelf areas are distinguished by specific sets and patterns of parameters, including sedimentary cover thickness, tectonic heterogeneity of the basement, heat flow, anomalous magnetic field, and gravity anomalies that reflect the topography of the crust–upper mantle boundary. In the deep oceanic areas, S-wave velocity variations show abnormally ‘cold’ blocks, while the average heat flow values are high. This combination of parameters is typical of transform zones at the junction of the Atlantic and Arctic segments. Superimposed thermal domes are located symmetrically with respect to the axis of the mid-oceanic ridges (MOR). Such domes may occur on the continents located close to MOR. Similar indicators can be revealed along the transition zone to the north of the East Siberian Sea. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>геодинамика</kwd><kwd>кластерный анализ</kwd><kwd>геолого-геофизические параметры</kwd><kwd>осадочный чехол</kwd><kwd>термальные купола</kwd><kwd>классификация типов литосферы</kwd><kwd>энерговыделение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>geodynamics</kwd><kwd>cluster analysis</kwd><kwd>geological and geophysical parameters</kwd><kwd>sedimentary cover</kwd><kwd>thermal domes</kwd><kwd>classification of types of the lithosphere</kwd><kwd>energy release</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">ANSS Composite Earthquake Catalog, 2010. Available from: http://quake.geo.berkeley.edu/anss/ (last accessed 09.12.2010).</mixed-citation><mixed-citation xml:lang="en">ANSS Composite Earthquake Catalog, 2010. 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