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<p>A hypothetical accident involving a nuclear power submarine (NPS) in the Eastern Mediterranean Sea was described. The dispersion model used for simulating the dispersal of man-made radionuclides was the hybrid single-particle Lagrangian integrated trajectory (HYSPLIT) code. “Environmental Risk from Ionising Contaminants: Assessment and Management” (ERICA) tools were employed to evaluate issues related to sea health and potential hazards in the event of an accident. The distribution models for radionuclides <sup>137</sup>Cs, <sup>134</sup>Cs, <sup>90</sup>Sr, and <sup>131</sup>I were simulated, and their results were used in ERICA tools to predict radiation risks to marine biota. Among these species, the highest internal dose rates were observed in macroalgae (1.67 × 10<sup>5</sup> µGy h<sup>−1</sup>) and the highest external dose rates in polychaete worms (2.79 × 10<sup>4</sup> µGy h<sup>−1</sup>). Dose accumulation in all organisms exceeded the screening value.</p>

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Radiological and ecological consequences of a hypothetical nuclear submarine accident in the Eastern Mediterranean

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月28日

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  • Akbar Abbasi,
  • Fatemeh Mirekhtiary,
  • Mayeen Uddin Khandaker,
  • Serap Maden,
  • Ahmed H. Ali

摘要

A hypothetical accident involving a nuclear power submarine (NPS) in the Eastern Mediterranean Sea was described. The dispersion model used for simulating the dispersal of man-made radionuclides was the hybrid single-particle Lagrangian integrated trajectory (HYSPLIT) code. “Environmental Risk from Ionising Contaminants: Assessment and Management” (ERICA) tools were employed to evaluate issues related to sea health and potential hazards in the event of an accident. The distribution models for radionuclides 137Cs, 134Cs, 90Sr, and 131I were simulated, and their results were used in ERICA tools to predict radiation risks to marine biota. Among these species, the highest internal dose rates were observed in macroalgae (1.67 × 105 µGy h−1) and the highest external dose rates in polychaete worms (2.79 × 104 µGy h−1). Dose accumulation in all organisms exceeded the screening value.