Электронный каталог

Статья

Abakumov, E.
Natural and Artificial Radionuclide Activity Concentrations in Soils Near East Antarctic Stations: Implications for Personnel Safety and Environmental Monitoring / E.Abakumov, V.Polyakov, O.Chaligava, I.Zinicovscaia, D.Grozdov. – Text : electronic // Marine Pollution Bulletin. – 2026. – Vol. 227. – P. 119548. – URL: https://doi.org/10.1016/j.marpolbul.2026.119548. – Bibliogr.: p. 119548-(7-8).

The levels of natural radionuclides ( &sup(40)K, &sup(232)Th, &sup(226)Ra) and &sup(137)Cs in the soil samples from three East Antarctic zones (near the Progress, Molodyozhnaya and Bunger Oasis field stations) were measured using background gamma spectrometry. The measured activity concentrations ranged from 513 to 1134 Bq/kg for &sup(40)K, 1.1 to 5.5 Bq/kg for &sup(137)Cs, 35 to 238 Bq/kg for &sup(232)Th, and 7.5 to 59 Bq/kg for &sup(226)Ra. Correlation analysis revealed a strong positive correlation between &sup(226)Ra and &sup(232)Th. To evaluate the radiological impact on station personnel, key hazard indices – including radium equivalent activity, external dose rates, annual effective dose, and excess lifetime cancer risk - were computed. At some locations, particularly near Progress Station the values of internal and external risk indices, exceed 1.0, indicating a possible radiological risk to human health. At all sites, except Molodyozhnaya Station, the absorbed dose rates exceeded the global reference value of 57 nGy/h. Although the mean activity concentrations of the radionuclides are consistent with, or lower than, those reported for other Antarctic regions, they result in slightly elevated terrestrial gamma dose rates compared to global soil averages. However, this increase is negligible in the context of total radiation exposure



Спец.(статьи,препринты) = 28.08 - Экология$
Спец.(статьи,препринты) = С 349 г - Радиоактивные загрязнения и активация воздуха, газов, воды и окружающих материалов. Дезактивация
ОИЯИ = ОИЯИ (JINR)2026