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SOURCES OF 40K IN THE SURFACE LAYER OF THE ATMOSPHERE OF ROSTOV-ON-DON

Stasov V.V, Buraeva E.A, Buraeva E.A, Malyshevsky V.S, Nefedov V.S, Nefedov V.S, Dergacheva E.V
The content and the seasonal behavior of the natural radionuclide 40K in the lower atmosphere of the industrial center (for example, the city of Rostov-on-Don, Russia) have been made. The 40K activity concentration in the atmospheric aerosols was determined by the instrumental gamma spectrometry radionuclide analysis. The content of 40K in atmospheric aerosols of Rostov-on-Don is in the range from 1.8 to 95.5 µBq/m3. The behavior of 40K (average for the period 2002–2011) in the lower atmosphere of the region differs by maximum in summer (June to October) and a minimum in winter. Such seasonal variation is typical for many radionuclides in the atmosphere of different regions in the world. The content of 40K in fractions of a roadside dust and atmospheric aerosols has been evaluated. The contents of 40K in an aerosol and dust roadside is close to mean contents for soils of Rostov region.

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Стасов В.В, Бураева Е.А, Бураева Е.А, Малышевский В.С, Нефедов В.С, Нефедов В.С, Дергачева Е.В ИССЛЕДОВАНИЕ ИСТОЧНИКОВ ПОСТУПЛЕНИЯ И РАСПРЕДЕЛЕНИЯ 40К В ПРИЗЕМНОМ СЛОЕ АТМОСФЕРЫ Г. РОСТОВА-НА-ДОНУ // Научное обозрение. Химические науки. 2020. № 1. С. 33-33;
URL: https://science-chemistry.ru/en/article/view?id=44 (дата обращения: 27.07.2026).