129I dispersion in Argentina: Concentrations in fresh and marine water and deposition fluences in Patagonia

Agustín E. Negri; Jorge O. Fernández Niello; Anton Wallner; Andrés Arazi; Leslie K. Fifield; Stephen G. Tims

doi:10.1021/es400610h

¹²⁹I dispersion in Argentina: Concentrations in fresh and marine water and deposition fluences in Patagonia

Agustín E. Negri^*, Jorge O. Fernández Niello, Anton Wallner, Andrés Arazi, Leslie K. Fifield, Stephen G. Tims

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Measurements of total iodine (I) and iodine-129 (¹²⁹I) concentrations in rivers and lakes of Argentina are presented. Their latitudinal distribution can be explained by taking into account their main sources (oceanic emissions and biomass burning for I, and atmospheric nuclear tests for ¹²⁹I), transport mechanisms, and fallout patterns. From the measured ¹²⁹I concentrations in the studied lakes, deposition fluences for their catchment areas were estimated. These results agree with a model of the global deposition pattern due to the ¹²⁹I released by atmospheric nuclear weapon tests and with other fluences reported for the southern hemisphere. In addition, the first measurements of ¹²⁹I in shallow seawater from the South Atlantic Ocean are presented and discussed.

Original language	English
Pages (from-to)	9693-9698
Number of pages	6
Journal	Environmental Science and Technology
Volume	47
Issue number	17
DOIs	https://doi.org/10.1021/es400610h
Publication status	Published - 2 Sept 2013

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abstract = "Measurements of total iodine (I) and iodine-129 (129I) concentrations in rivers and lakes of Argentina are presented. Their latitudinal distribution can be explained by taking into account their main sources (oceanic emissions and biomass burning for I, and atmospheric nuclear tests for 129I), transport mechanisms, and fallout patterns. From the measured 129I concentrations in the studied lakes, deposition fluences for their catchment areas were estimated. These results agree with a model of the global deposition pattern due to the 129I released by atmospheric nuclear weapon tests and with other fluences reported for the southern hemisphere. In addition, the first measurements of 129I in shallow seawater from the South Atlantic Ocean are presented and discussed.",

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T1 - 129I dispersion in Argentina

T2 - Concentrations in fresh and marine water and deposition fluences in Patagonia

AU - Negri, Agustín E.

AU - Fernández Niello, Jorge O.

AU - Wallner, Anton

AU - Arazi, Andrés

AU - Fifield, Leslie K.

AU - Tims, Stephen G.

PY - 2013/9/2

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N2 - Measurements of total iodine (I) and iodine-129 (129I) concentrations in rivers and lakes of Argentina are presented. Their latitudinal distribution can be explained by taking into account their main sources (oceanic emissions and biomass burning for I, and atmospheric nuclear tests for 129I), transport mechanisms, and fallout patterns. From the measured 129I concentrations in the studied lakes, deposition fluences for their catchment areas were estimated. These results agree with a model of the global deposition pattern due to the 129I released by atmospheric nuclear weapon tests and with other fluences reported for the southern hemisphere. In addition, the first measurements of 129I in shallow seawater from the South Atlantic Ocean are presented and discussed.

AB - Measurements of total iodine (I) and iodine-129 (129I) concentrations in rivers and lakes of Argentina are presented. Their latitudinal distribution can be explained by taking into account their main sources (oceanic emissions and biomass burning for I, and atmospheric nuclear tests for 129I), transport mechanisms, and fallout patterns. From the measured 129I concentrations in the studied lakes, deposition fluences for their catchment areas were estimated. These results agree with a model of the global deposition pattern due to the 129I released by atmospheric nuclear weapon tests and with other fluences reported for the southern hemisphere. In addition, the first measurements of 129I in shallow seawater from the South Atlantic Ocean are presented and discussed.

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¹²⁹I dispersion in Argentina: Concentrations in fresh and marine water and deposition fluences in Patagonia

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