1. 129I in rainwater across Argentina.
- Author
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Negri, Agustín, Arazi, Andrés, Barlasina, María Elena, Fernández Niello, Jorge, Fifield, Leslie Keith, Froehlich, Michaela B., Martínez Heimann, Diego, Pavetich, Stefan, Tims, Steve G., and Wallner, Anton
- Subjects
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NUCLEAR weapons testing , *REACTOR fuel reprocessing , *NUCLEAR weapons , *RAINWATER , *ACCELERATOR mass spectrometry , *AIR masses - Abstract
Concentrations of 127I and 129I in rainwater samples from several stations across Argentina (latitudes between 25° S and 55° S) were measured and analyzed for the assessment of distribution patterns and potential sources of 129I in the Southern Hemisphere. Measured 129I levels, clearly above those explainable by natural background and atmospheric nuclear weapons tests, can be understood by the injection into the Southern Hemisphere of 129I that had been discharged from nuclear fuel reprocessing plants in the Northern Hemisphere. [Display omitted] • Radioactive 129I and 127I content measured in rain samples across Argentina. • 55°S - 40°S: 129I content as expected from natural background and atomic weapons. • 40°S - 25°S: 129I content higher by a factor ∼102. • Excess explained as input of 129I-rich air masses from the Northern Hemisphere. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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