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This article presents yearly mean concentrations of cosmogenic radionuclides 7Be and 22Na occurring in dry and wet depositions (fallout) and aerosols. Time dependencies negatively correlated with the yearly mean number of sunspots. Activity concentrations of 7Be and 22Na in aerosols in the surface air had a correlation of near-unity. 7Be in aerosols exhibited a smoother time dependence than 22Na, implying that the production of 22Na is more sensitive to the solar activity than the production of 7Be. The effect of the measured doses on the general population through internal and external exposure to radiation from cosmogenic radionuclides was small.

arhiv za higijenu rada i toksikologiju

Negative correlation between the number of sunspots and the occurrence of <sup>7</sup>Be and <sup>22</sup>Na in the surface air and their contribution to radiation doses

Negative correlation between the number of sunspots and the occurrence of 7Be and 22Na in the surface air and their contribution to radiation doses

Negative correlation between the number of sunspots and the occurrence of ⁷Be and ²²Na in the surface air and their contribution to radiation doses