Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Russia.
Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Russia.
Mar Pollut Bull. 2023 Sep;194(Pt B):115346. doi: 10.1016/j.marpolbul.2023.115346. Epub 2023 Aug 1.
The Dispersal profile of the radioisotopes (Ra, Th, U, K, Cs) along with potentially toxic elements (Cd, Co, Cr, Cu, Ni, Pb, V, Zn, and Hg) in the sediments around the Novaya Zemlya was determined. The task was fulfilled with the aid of HPGe gamma spectrometry, inductively coupled plasma optical emission spectroscopy, DMA-80 Direct Mercury Analysis System, X-ray diffraction and statistical tools. At most of the locations, the radionuclides activity was higher than the world average activity concentration for the respective nuclei, K being the most abundant. From all the potentially toxic elements detected, Cr and Ni were usually observed on higher levels compared to their background values, indicating the probability of the detrimental biological effects. Thus, the present situation at the studied area might be a threat to the neighboring marine life.
在新地岛周围的沉积物中，测定了放射性同位素（Ra、Th、U、K、Cs）和潜在有毒元素（Cd、Co、Cr、Cu、Ni、Pb、V、Zn 和 Hg）的扩散情况。这项任务是借助 HPGe 伽马谱仪、电感耦合等离子体光学发射光谱法、DMA-80 直接汞分析系统、X 射线衍射和统计工具来完成的。在大多数地点，放射性核素的活度高于各自核素的世界平均活度浓度，其中 K 最为丰富。在所检测到的所有潜在有毒元素中，Cr 和 Ni 的含量通常高于其背景值，表明存在有害生物效应的可能性。因此，研究区域的现状可能对邻近的海洋生物构成威胁。
