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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">resar</journal-id><journal-title-group><journal-title xml:lang="ru">Природные ресурсы Арктики и Субарктики</journal-title><trans-title-group xml:lang="en"><trans-title>Arctic and Subarctic Natural Resources</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2618-9712</issn><issn pub-type="epub">2686-9683</issn><publisher><publisher-name>Академия наук Республики Саха (Якутия)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31242/2618-9712-2023-28-1-68-77</article-id><article-id custom-type="elpub" pub-id-type="custom">resar-9</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>Науки о Земле. Инженерная геология, мерзлотоведение и грунтоведение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Earth sciences. Engineering geology, permafrost and soil science</subject></subj-group></article-categories><title-group><article-title>Содержание различных форм углерода в покровных отложениях ледового комплекса Центральной Якутии</article-title><trans-title-group xml:lang="en"><trans-title>The content of various carbon forms in the cover sediments of the ice complex in Central Yakutia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4638-4770</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черепанова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherepanova</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ЧЕРЕПАНОВА Александра Михайловна, младший научный сотрудник</p><p>г. Якутск</p></bio><bio xml:lang="en"><p>CHEREPANOVA, Alexandra Mikhaylovna, Junior Researcher</p><p>Yakutsk</p><p>Researcher ID M-7299-2016</p></bio><email xlink:type="simple">alexandra_587@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8836-2123</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шепелев</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shepelev</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ШЕПЕЛЕВ Андрей Геннадиевич, кандидат биологических наук, старший научный сотрудник</p><p>г. Якутск</p><p>Researcher ID M-7299-2016</p></bio><bio xml:lang="en"><p>SHEPELEV, Andrei Gennadievich, Cand. Sci. (Biology), Senior Researcher</p><p>Yakutsk</p><p>Researcher ID M-7299-2016</p></bio><email xlink:type="simple">carbon-shag@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт мерзлотоведения им. П. И. Мельникова СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Melnikov Permafrost Institute, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>04</month><year>2023</year></pub-date><volume>28</volume><issue>1</issue><fpage>68</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Черепанова А.М., Шепелев А.Г., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Черепанова А.М., Шепелев А.Г.</copyright-holder><copyright-holder xml:lang="en">Cherepanova A.M., Shepelev A.G.</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://resar.elpub.ru/jour/article/view/9">https://resar.elpub.ru/jour/article/view/9</self-uri><abstract><p>Проанализировано содержание органического, неорганического и общего углерода в Центральной Якутии. В качестве объектов выбраны схожие по климатическим характеристикам местности Диринг-Атах в Чурапчинском районе и Сырдах в Усть-Алданском районе. Показано снижение содержания углерода в зависимости от глубины разреза, что обусловлено его наибольшим накоплением в верхнем органо-аккумулятивном горизонте. Установлено, что содержания различных форм углерода на исследуемых участках существенно различаются. Минимальное (0,22 % Сорг) и максимальное (4,81 % Сорг) содержания органического углерода прослеживаются в деятельном слое участка Сырдах. При этом в сезонно-талых слоях исследованных ледовых комплексов зарегистрировано сосредоточение как органического, так и неорганического углерода с выраженным равномерным распределением по профилю и пиковым увеличением в многолетнемерзлых породах на участке Сырдах. Полученные результаты свидетельствуют о вариативности содержания углерода, обусловленной климатическими и геокриологическими условиями исследуемого региона. Природные особенности способствуют дезинтеграции углерода в отложениях ледового комплекса при систематическом оттаивании и промерзании последнего, перемещении по профилю растворенных органических соединений и морозном выветривании. Соотношение органического и неорганического углерода в мерзлотных почвах является индикатором для оперативной оценки состояния и потоков органического вещества почв в условиях меняющегося климата.</p></abstract><trans-abstract xml:lang="en"><p>This study aimed to analyze the organic, inorganic, and total carbon contents in Central Yakutia. We selected two sites with similar climatic features: Diring-Atakh (Churapchinsky region) and Syrdakh (Ust-Aldan region). The analysis showed that the decreasing dynamics of carbon stocks was attributive to their depth. The maximum accumulation of carbon was observed in the upper humus-accumulation horizon. We found that the minimum organic carbon content (0.22 % OC) and its maximum content (4.81 % OC) were tracked in the active layer at the Syrdakh site. However, the concentrations of both organic and inorganic carbon in the seasonally thawed layers were marked with a uniform distribution down the profile and a peak increase in permafrost at the Syrdakh site. The obtained results indicate variability in the carbon content typical of the region. The climatic and geological characteristics of the region contribute to the disintegration of carbon in the sediments of the ice complex during systematic thawing and freezing, movement along the profile of dissolved organic compounds, and frost weathering. The ratio of organic and inorganic carbon in permafrost soils is an indicator for rapid assessment of the state and flow of soil organic matter in a changing climate.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>органический углерод</kwd><kwd>неорганический углерод</kwd><kwd>общий углерод</kwd><kwd>многолетняя мерзлота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>organic carbon</kwd><kwd>inorganic carbon</kwd><kwd>total carbon</kwd><kwd>permafrost</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках базовых проектов «Криогенные процессы и формирование природных рисков освоения мерзлотных ландшафтов Восточной Сибири» (№ АААА-А20-120111690009-6), «Строение и ключевые этапы эволюции континентальной криолитозоны в неоплейстоцене и голоцене» (№ АААА-А20-120122290035-5) при поддержке Министерства науки и высшего образования РФ и РНФ (проект № 21-55-75004_БФ).</funding-statement><funding-statement xml:lang="en">This study is carried out within the basic project “Structure and key stages of the evolution of continental cryolithozone in the Neopleistocene and Holocene” (number АААА-А20-120122290035-5), “Cryogenic processes and natural risks formation due to the development of permafrost landscapes in Eastern Siberia” (АААА-А20- 120111690009-6) supported by the Ministry of Science and Higher Education of the Russian Federation; and Russian Foundation for Basic Research (project number 21-55-75004_BF).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Desyatkin R.V., Desyatkin A.R. 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