Seawater intrusion, characterized by the infiltration of a seawater wedge into deep coastal freshwater aquifers, poses a significant threat to water quality. Despite extensive research on this hydrogeological phenomenon, monitoring remains challenging, often requiring deep drilling that exacerbates aquifer contamination. This study proposes a novel approach for monitoring seawater intrusion based on hydrogeochemical indicators, specifically focusing on secondary contamination observed in river and spring waters along the Black Sea coast of Russia.

中文翻译：

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探索河流和泉水中的二次污染：海水侵入深部沿海含水层引起的新现象


海水入侵的特点是海水楔形渗透到深部沿海淡水含水层中，对水质构成重大威胁。尽管对这种水文地质现象进行了广泛的研究，但监测仍然具有挑战性，通常需要深钻，这会加剧含水层污染。本研究提出了一种基于水文地球化学指标监测海水入侵的新方法，特别关注在俄罗斯黑海沿岸河流和泉水中观察到的二次污染。