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RECENT TRACE METAL LEVELS IN COASTAL WATERS OF SULAIBIKHAT BAY, KUWAIT

机译:科威特岛沿海水域最近的追踪金属水平,科威特

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Trace metal analyses were made on 96 subsamples representing the water (liquid) and particulate (solid) forms of 48 seawater samples collected in June 1995 and January 1996 from Sulaibikhat Bay. The mean concentrations of the dissolved species were as follows: copper (Cu) 4.23, iron (Fe) 100.0, zinc (Zn) 36.11, nickel (Ni) 0.8, lead (Pb) 2.02, vanadium (V) 14.5, chromium (Cr) 1.16 and manganese (Mn) 2.6 μg1-1. Mean concentrations of Cu, Fe, Zn, Ni, Pb, V, Cr and Mn in the particulate matter were 90.5, 28,000, 351.4, 37.3, 70.4, 98.5, 152.3 and 54.8 μgg-1, respectively. Seasonal variations were recorded in all subsamples analyzed with most of the trace metals exhibiting much higher concentrations in early summer. Results were also compared with earlier studies carried out on the trace metal content of fresh and coastal waters in the region, including the study area. The surface waters of the Bay, which were unpolluted 16 years ago, are currently enriched with Zn and V. The marked differences between the trace metal partioning in the fresh water of Shatt Al-Arab River and the marine water of Sulaibikhat Bay were ascribed to the strong widespread aeolian signal in the northern Arabian Gulf and the remobilization of several trace metals under anoxic conditions from bottom sediments throughout Kuwait Bay.
机译:痕量金属分析是在1995年6月和1996年1月从Sulaibikhat湾收集的48个海水样本的水(液体)和颗粒(固体)形式的96个副样片。溶解物种的平均浓度如下:铜(Cu)4.23,铁(Fe)100.0,锌(Zn)36.16,镍(Ni)0.8,铅(Pb)2.02,钒(V)14.5,铬(Cr )1.16和锰(Mn)2.6μg1-1。颗粒物中Cu,Fe,Zn,Ni,Pb,V,Cr和Mn的平均浓度分别为90.5,28,000,351.4,37.3,70.4,98.5,152.3和54.8μgg-1。在初夏在初夏呈现更高浓度的大多数痕量金属分析的所有血迹中记录了季节性变化。还将结果与早期研究进行了比较,在该地区的新鲜和沿海水域的痕量金属含量下进行,包括研究区。 16年前未受污染的海湾的表面水目前富含Zn和V. Shatt Al-Arab River淡水和Sulaibikhat海湾海洋水域的痕量金属分配之间的显着差异归因于阿拉伯北部北方海湾的强大广泛的风化信号以及在科威特湾底部沉积物下的缺氧条件下对几种痕量金属的重新化。

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