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Abstract <p>To select points for isotope monitoring in groundwater of Krasnodar Krai and the Republic of Adygea, measurements of <sup>222</sup>Rn and <sup>224</sup>Ra were carried out in tectonic fault zones. In the Akhtyrsky fault zone, the maximum concentrations of <sup>222</sup>Rn (11.8 Bq/L) and <sup>224</sup>Ra (0.19 Bq/L) were found in spring waters, and the <sup>222</sup>Rn/<sup>224</sup>Ra ratio (121.00) was found in wells. Elevated <sup>224</sup>Ra concentrations were present in waters close to mineralization zones. In the Republic of Adygea, <sup>222</sup>Rn content in water varies from 0.21 to 6.95&#xa0;Bq/L. The highest concentrations of <sup>224</sup>Ra were found in springs in the south of the republic (up to 0.49&#xa0;Bq/L). For isotope monitoring, springs near mud volcano areas and in fault zones can be considered suitable, where continuous measurement of alpha or gamma activity of waters can be organized, combined with daily sampling for monitoring radium isotopes.</p>

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222Rn and 224Ra in Groundwater of Tectonic Faults in Krasnodar Krai and the Republic of Adygea

  • 期刊论文

  • 发表日期：

    2026年5月4日

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  • I. O. Nevinsky,
  • T. V. Tsvetkova,
  • L. A. Korinevich,
  • M. K. Bedanokov,
  • O. N. Bykhalova,
  • M. A. Reneva

摘要

Abstract

To select points for isotope monitoring in groundwater of Krasnodar Krai and the Republic of Adygea, measurements of 222Rn and 224Ra were carried out in tectonic fault zones. In the Akhtyrsky fault zone, the maximum concentrations of 222Rn (11.8 Bq/L) and 224Ra (0.19 Bq/L) were found in spring waters, and the 222Rn/224Ra ratio (121.00) was found in wells. Elevated 224Ra concentrations were present in waters close to mineralization zones. In the Republic of Adygea, 222Rn content in water varies from 0.21 to 6.95 Bq/L. The highest concentrations of 224Ra were found in springs in the south of the republic (up to 0.49 Bq/L). For isotope monitoring, springs near mud volcano areas and in fault zones can be considered suitable, where continuous measurement of alpha or gamma activity of waters can be organized, combined with daily sampling for monitoring radium isotopes.