nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2026-2-112-119nuc-1012Research ArticleСтатьиОЦЕНКА РАДИАЦИОННОГО РИСКА ОТ ПОВЕРХНОСТНОГО СЛОЯ ПОЧВЫ ДЛЯ НАСЕЛЕНИЯ КЫЗЫЛОРДИНСКОЙ ОБЛАСТИ В РАЙОНЕ ДОБЫЧИ УРАНАASSESSMENT OF RADIATION RISK FROM SURFACE SOIL TO THE POPULATION OF THE KYZYLORDA REGION IN URANIUM MINING AREAShttps://orcid.org/0000-0002-4901-3182КраснопёроваМ. В.KrasnopyorovaM. V.

Марина Владимировна Краснопёрова – старший научный сотрудник ЦКЭИ, Ph.D. 

Алматы

Almaty

marina.k@inp.kzhttps://orcid.org/0009-0001-9296-0257ГорлачевИ. Д.GorlachevI. D.

Игорь Дмитриевич Горлачев – кандидат физ-мат наук 

Алматы

Almaty

igor.gorlachev@inp.kzhttps://orcid.org/0009-0000-3422-3833ХаркинП. В.KharkinP. V.

Павел Викторович Харкин – заведующий лабораторией 

Алматы

Almaty

kharkin@inp.kzhttps://orcid.org/0009-0004-7393-4960МильцО. С.MiltsO. S.

Ольга Сергеевна Мильц – начальник группы спектрометрии

Алматы

Almaty

o.milc@inp.kzhttps://orcid.org/0000-0003-3363-9575СевериненкоМ. А.SeverinenkoM. A.

Мария Анатольевна Севериненко – начальник ЦКЭИ, Ph.D.

Алматы

Almaty

m.severinenko@inp.kzРГП «Институт ядерной физики» Агентства РК по атомной энергииКазахстанRSE “Institute of Nuclear Physics” of the Agency of the RK for Atomic EnergyKazakhstan20260908202602112119Copyright © Краснопёрова М.В., Горлачев И.Д., Харкин П.В., Мильц О.С., Севериненко М.А., 20262026Краснопёрова М.В., Горлачев И.Д., Харкин П.В., Мильц О.С., Севериненко М.А.Krasnopyorova M.V., Gorlachev I.D., Kharkin P.V., Milts O.S., Severinenko M.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://journals.nnc.kz/jour/article/view/1012

Представлены результаты гамма-спектрометрического исследования радионуклидного состава поверхностного слоя почв в районах добычи урана Кызылординской области (месторождения Северный и Южный Карамурун, Ирколь, Харасан-1 и Харасан-2), а также в прилегающих к ним населённых пунктах и сельскохозяйственных территориях. Исходя из значений удельной активности природных гамма-излучающих радионуклидов рядов урана и тория, а также калия, рассчитаны мощность поглощённой дозы в воздухе на высоте 1 м над поверхностью почвы, годовая эффективная доза внешнего облучения населения, индекс внешней радиационной опасности и показатель пожизненного канцерогенного риска. Показано, что для большинства обследованных площадок удельные активности природных радионуклидов и производные радиологические параметры находятся в пределах диапазонов, сопоставимых с глобальными средними значениями и ориентировочными уровнями, рекомендованными документами UNSCEAR и национальными санитарными нормативами. Локальный рост активности радионуклидов характерен для участков с повышенной ураноносностью и для зон непосредственного влияния уранодобывающих объектов.

The results of gamma spectrometric investigations of the radionuclide composition of the surface soil layer in uranium mining areas of the Kyzylorda region (the North and South Karamurun, Irkol, Kharasan-1 and Kharasan-2 deposits), as well as in adjacent settlements and agricultural lands, are presented. Based on the activity concentrations of natural gamma-emitting radionuclides of the uranium and thorium series and potassium, the absorbed gamma dose rate in air at a height of 1 m above ground level, the annual effective dose from external exposure to the population, the external hazard index, and the lifetime cancer risk were calculated. It is shown that, for most of the surveyed sites, the activity concentrations of natural radionuclides and the derived radiological parameters fall within ranges comparable to global average values and the reference levels recommended in UNSCEAR documents and national sanitary regulations. Local increases in radionuclide activities are confined to areas with enhanced uranium mineralization and in zones directly influenced by uranium mining activities.

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The authors declare that there are no conflicts of interest present.