Kılıç S, Kılıç Ö, Belivermiş M, Ergül H A
Department of Biology, Faculty of Science, Kocaeli University, 41380 Umuttepe, Kocaeli, Turkey.
Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Turkey.
Mar Pollut Bull. 2023 Feb;187:114570. doi: 10.1016/j.marpolbul.2023.114570. Epub 2023 Jan 14.
The sources and depositional history of 16 polycyclic aromatic hydrocarbons (PAHs) and 18 polychlorinated biphenyl (PCBs) congeners in the Golden Horn estuary (İstanbul) were investigated using a dated sediment core for the period between 1880 and 2012. The concentrations of PAHs and PCBs were calculated for every 4 cm slices of the sediment core and ranged from 1203.5 to 3441.4 ng/g and 5.4 to 41.4 ng/g, respectively. The diagnostic ratios indicated that the maximum PAH values correspondence to combustion after a crude oil-carrying Romanian tanker (Independenta) accident in the İstanbul Strait in 1979. The historical deposition of PAHs and PCBs in the Golden Horn was influenced by municipal effluent and heavy industrial dischargers approximately 50 years. When the Silahtarağa thermal power plant (TPP) was operating, PCB pollution rose; however, after a thorough rehabilitation effort and the outlawing of PCB use in the 1990s, pollution levels significantly tended to decrease.
利用一个年代测定的沉积岩芯，对1880年至2012年期间金角湾河口（伊斯坦布尔）16种多环芳烃（PAHs）和18种多氯联苯（PCBs）同系物的来源和沉积历史进行了调查。对沉积岩芯每4厘米切片计算PAHs和PCBs的浓度，范围分别为1203.5至3441.4纳克/克和5.4至41.4纳克/克。诊断比率表明，PAH的最大值对应于1979年一艘载有原油的罗马尼亚油轮（“独立号”）在伊斯坦布尔海峡发生事故后的燃烧。大约50年来，金角湾PAHs和PCBs的历史沉积受到城市污水和重工业排放源的影响。当锡拉塔勒阿热电厂（TPP）运行时，PCB污染上升；然而，在20世纪90年代进行了彻底的修复努力并禁止使用PCB后，污染水平明显趋于下降。
