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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2025-1-167-174</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-818</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ РАСПРЕДЕЛЕНИЯ РАДИОУГЛЕРОДА В ПОЧВЕ  ЛЕСНЫХ ЭКОСИСТЕМ РЕСПУБЛИКИ КАЗАХСТАН</article-title><trans-title-group xml:lang="en"><trans-title>RESEARCH INTO THE DISTRIBUTION OF RADIOCARBON IN THE SOIL  OF FOREST ECOSYSTEMS OF THE REPUBLIC OF KAZAKHSTAN</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3737-7111</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Айдарханова</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Aidarkhanova</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">almira@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-2467-4755</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сарсенова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sarsenova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">aidanasarsenova@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7004-391X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мамырбаева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamyrbayeva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">mamyrbaevaa@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4690-4414</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ларионова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Larionova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">larionova@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1254-3822</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тлеуканова</surname><given-names>Ж. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Tleukanova</surname><given-names>Zh. Ye.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">zhapasheva_zh@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3047-586X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Айдарханов</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Aidarkhanov</surname><given-names>А. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">Asan@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Филиал "Институт радиационной безопасности и экологии" РГП НЯЦ РК<country>Казахстан</country></aff><aff xml:lang="en">Branch “Institute of Radiation Safety and Ecology” RSE NNC RK<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>04</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>167</fpage><lpage>174</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Айдарханова А.К., Сарсенова А.А., Мамырбаева А.С., Ларионова Н.В., Тлеуканова Ж.Е., Айдарханов А.О., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Айдарханова А.К., Сарсенова А.А., Мамырбаева А.С., Ларионова Н.В., Тлеуканова Ж.Е., Айдарханов А.О.</copyright-holder><copyright-holder xml:lang="en">Aidarkhanova A.K., Sarsenova A.A., Mamyrbayeva A.S., Larionova N.V., Tleukanova Z.Y., Aidarkhanov А.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://journals.nnc.kz/jour/article/view/818">https://journals.nnc.kz/jour/article/view/818</self-uri><abstract><p>В данной работе представлены данные распределения радиоуглерода (14C) в почвах лесных экосистем Республики Казахстан. В качестве объектов исследования рассмотрены лесные участки Бескарагайского района области Абай и Бурабайского района Акмолинской области. Определение 14C выполнено методом жидкостной сцинтилляционной спектрометрии. Результаты исследования показали, что в почвах Бескарагайского района наблюдается повышенное содержание 14C, в постепенным снижением от верхних слоев к нижним, что, по всей видимости, связано с радиоактивным загрязнением, вызванным испытаниями на Семипалатинском испытательном полигоне. В почвах Бурабайского района содержание 14C находится ниже предела обнаружения.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents research into the distribution of radiocarbon in the soils of forest ecosystems of the Republic of Kazakhstan. The forest compartments of the Beskaragai area of the Abai region and the Burabai area of the Akmola region were selected as research objects. For research, samples of forest litter and soil were collected layerwise, in which the content of 14C was determined by liquid scintillation spectrometry. The research findings showed that the soils of the Beskaragai area exhibit an elevated content of 14C gradually decreasing from top to bottom. This is due to radioactive contamination caused by the tests conducted at the Semipalatinsk Test Site. The content of 14C in the soils of the Burabai area is below the detection limit.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>радиоуглерод (14С)</kwd><kwd>жидкостно-сцинтилляционный метод</kwd><kwd>почва</kwd><kwd>лесная подстилка</kwd><kwd>Семипалатинский испытательный полигон.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>radiocarbon (14С)</kwd><kwd>liquid scintillation technique</kwd><kwd>soil</kwd><kwd>forest litter</kwd><kwd>Semipalatinsk Test Site</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Данная работа выполнена в рамках программно-целевого финансирования Комитета науки Министерства науки и высшего образования Республики Казахстан BR21881915 «Применение ядерных, сейсмических и инфразвуковых методов для оценки климатических изменений и смягчения последствий изменения климата.</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">Чичагова О.А., Зазовская Э.П. 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