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Pollutant dynamics between The Black Sea and The Marmara Sea: Basis for wastewater management strategy
Marine Pollution Bulletin ( IF 5.8 ) Pub Date : 2021-04-30 , DOI: 10.1016/j.marpolbul.2021.112388
D. Orhon , S. Sözen , V.S.O. Kirca , S. Duba , R. Mermutlu , B.M. Sumer

The study evaluated pollutant dynamics between The Black Sea and The Marmara Sea using data collected during a marine survey of the region around The Bosphorus strait, in the last five years. A hydraulic model was utilized to define two-layered water exchange in The Bosphorus. Analysis of pollutant exchange indicated The Black Sea as major polluter for the marine environment in The Marmara Sea. Four wastewater outfalls are located along The Bosphorus; Mass balances between the two ends of The Bosphorus indicated losses of 44 t/d total N and 138 t/d COD in the lower layer before reaching The Black Sea. This was explained with a simultaneous nitrification-denitrification process sustained in the low oxygen or anoxic zones around the outfalls, implying that a sustainable wastewater strategy should preclude additional treatment for The Bosphorus discharges, since they do not have an appreciable impact on the water quality of the lower flow.



中文翻译:

黑海和马尔马拉海之间的污染物动态:废水管理策略的基础

该研究使用过去五年对博斯普鲁斯海峡海峡周围地区进行的海洋调查收集的数据,评估了黑海和马尔马拉海之间的污染物动态。利用水力模型定义了博斯普鲁斯海峡的两层水交换。污染物交换分析表明,黑海是马尔马拉海海洋环境的主要污染源。博斯普鲁斯海峡沿岸有四个废水排放口;博斯普鲁斯海峡两端之间的质量平衡表明,在到达黑海之前,下层的总氮损失为44 t / d,COD损失为138 t / d。可以通过在排水口周围的低氧或缺氧区域中同时进行硝化-反硝化过程来解释这一点,

更新日期:2021-04-30
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