Abstract
The aim of the research was to study and compare iodine concentration in natural waters originating from aquifers of different ages, primarily residents use for drinking purposes. The analysis was based on the original data on the samples collected during the fieldwork in the Bryansk region (2013–2017) and in the Oryol region (2016–2017). In addition to iodine concentration, the main geochemical parameters (salinity, etc.) were determined in the selected waters. The results showed a significant variation of iodine in waters from both regions (Bryansk region—from 0.7 to 41.2 µg/l; Oryol region—from 1.12 to 36.8 µg/l), the difference being apparently due to different ages and origins of the sampled aquifers (Quaternary, Upper Devonian and Cretaceous deposits). The overall low provision of surface water with iodine was found both in the Bryansk region (median for shallow wells—5.82 µg/l, median for surface water—6.76 µg/l) and in the Oryol region (median for shallow wells—2.96 µg/l, median for surface water—7.4 µg/l). The data obtained deserve attention during organization of monitoring and implementation of measures preventing thyroid diseases.
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Acknowledgements
The investigation was carried out with partial financial support by RFBR (Russian Foundation for Basic Research) Grant No. 13-05-00823 and by RFBR and BRFBR (Belarus Foundation for Basic Research), Project Number 20-55-00012.
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This study was funded by Russian Foundation for Basic Research Project No. 13-05-00823 and Russian and Belarus Foundation for Basic Research Project No. 20-55-00012.
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Ph.D. VYB contributed to sampling water in Bryansk region (2013—2017) and in Oryol region (2016–2017), measuring iodine in water of Oryol region (2016–2017) and working with database and the text of the article; Ph.D. LIK contributed to sampling water in Bryansk region (2013—2016), measuring iodine in water of Bryansk region (2013–2017) and working with database of Bryansk region and the text of the article; Ph.D. GAK contributed to sampling water in Oryol region (2016—2017) and working with database of Oryol region and the text of the article.
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Berezkin, V.Y., Kolmykova, L.I. & Kulieva, G.A. A study of iodine concentration in drinking waters of Bryansk and Oryol regions. Environ Geochem Health 45, 299–304 (2023). https://doi.org/10.1007/s10653-022-01249-1
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DOI: https://doi.org/10.1007/s10653-022-01249-1