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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">radhyd</journal-id><journal-title-group><journal-title xml:lang="ru">Радиационная гигиена</journal-title><trans-title-group xml:lang="en"><trans-title>Radiatsionnaya Gygiena = Radiation Hygiene</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-426X</issn><issn pub-type="epub">2409-9082</issn><publisher><publisher-name>NIIRG</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21514/1998-426X-2020-13-2-123-128</article-id><article-id custom-type="elpub" pub-id-type="custom">radhyd-705</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>Краткие сообщения</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Short messages</subject></subj-group></article-categories><title-group><article-title>Метод идентификации участков целинных почв с помощью портативного гамма-спектрометра-дозиметра</article-title><trans-title-group xml:lang="en"><trans-title>Method for identifying areas of virgin soils using a portable gamma-spectrometer-dosimeter</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>Рамзаев</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Ramzaev</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рамзаев Валерий Павлович – кандидат медицинских наук, ведущий научный сотрудник лаборатории внешнего облучения</p><p>197101, Санкт-Петербург, ул. Мира, д. 8</p></bio><bio xml:lang="en"><p>Valery P. Ramzaev – Candidate of Medical Sciences, Leading Researcher of the Laboratory of External Exposure</p><p>Mira Str., 8, Saint-Petersburg, 197101</p></bio><email xlink:type="simple">V.Ramzaev@mail.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>Барковский</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Barkovsky</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барковский Анатолий Николаевич – руководитель Федерального радиологического центра, главный научный сотрудник</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Anatoly N. Barkovsky – Head of the Federal Radiological Centre</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский научно-исследовательский институт радиационной гигиены имени профессора П.В. Рамзаева, Федеральная служба по надзору в сфере защиты прав потребителей и благополучия человека</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg Research Institute of Radiation Hygiene after Professor P.V. Ramzaev, Federal Service for Surveillance on Consumer Rights Protection and Human Well-Being</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>25</day><month>06</month><year>2020</year></pub-date><volume>13</volume><issue>2</issue><fpage>123</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рамзаев В.П., Барковский А.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Рамзаев В.П., Барковский А.Н.</copyright-holder><copyright-holder xml:lang="en">Ramzaev V.P., Barkovsky A.N.</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.radhyg.ru/jour/article/view/705">https://www.radhyg.ru/jour/article/view/705</self-uri><abstract><p>В базовой модели, которая в настоящее время используется для оценки дозы внешнего облучения человека на территориях, загрязненных в результате Чернобыльской аварии, отправной точкой является мощность дозы гамма-излучения в воздухе на высоте 1 м над поверхностью целинной (ненарушенной) почвы. Теперь, по истечении более 30 лет после выпадений, обнаружение истинно целинных участков земли представляет собой достаточно сложную задачу, так как после аварии многие луга были неоднократно перепаханы и/или рекультивированы. Целью настоящего исследования являлась разработка количественного критерия обнаружения участков целинных почв с помощью переносного гамма-спектрометра-дозиметра. Для достижения этой цели мы провели статистический анализ опубликованных и новых данных по использованию полевой гамма-спектрометрии на радиоактивно-загрязненных территориях Брянской области России и Гомельской области Беларуси в 2015–2018 гг. Обобщенная выборка содержит результаты расшифровки 60 гамма-спектров, записанных на высоте 1 м над почвой на целинных лугах, культивированных землях и в лесах. На основании выполненного анализа предложен количественный дозиметрический критерий для идентификации целинных почв in situ с использованием портативного сцинтилляционного спектрометра-дозиметра. В статье представлен алгоритм поиска целинного участка.</p></abstract><trans-abstract xml:lang="en"><p>The dose rate of gamma radiation in air at a height of 1 m above the surface of virgin (undisturbed) soil is the starting point in the basic model that is used to estimate the dose of external radiation to the population living in areas contaminated due to the Chernobyl accident. Today, i.e. more than 30 years after the fallout, the finding of truly virgin lands is a rather difficult task, because many meadows were repeatedly plowed and/or rehabilitated after the accident. The purpose of this study was to develop a quantitative criterion for the detection of virgin soil areas using a portable gamma-ray spectrometer-dosimeter. To achieve this, we have conducted a statistical analysis of published and new data on the use of in situ gamma-ray spectrometry in radioactively contaminated territories of the Bryansk region of Russia and the Gomel region of Belarus in 2015–2018. The sample contains results of decoding 60 gamma spectra recorded at a height of 1 m above the ground in virgin meadows, cultivated lands and forests. Based on the performed analysis, a quantitative dosimetric criterion is proposed for in situ identification of virgin soils using a portable gamma-spectrometer-dosimeter. The article presents an algorithm for searching a virgin plot.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>целинная почва</kwd><kwd>137Cs</kwd><kwd>мощность амбиентного эквивалента дозы</kwd><kwd>фактор накопления</kwd><kwd>in situ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>virgin soil</kwd><kwd>137Cs</kwd><kwd>ambient dose equivalent rate</kwd><kwd>build-up factor</kwd><kwd>in situ</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">Golikov V.Yu., Balonov M.I., Jacob P. 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