Department of Geology, Faculty of Engineering, Nigde University, 51200, Nigde, Turkey.
Environ Monit Assess. 2012 Jan;184(1):449-60. doi: 10.1007/s10661-011-1979-9. Epub 2011 Mar 17.
Twenty-one surface sediment samples were collected from Akkaya Dam. Heavy metal concentrations (Mo, Cu, Pb, Zn, Ni, Co, Mn, Fe, Cr, As, V and Cd), grain size, organic carbon and carbonate contents were studied in order to assess the extent of environmental pollution and to discuss the origin of these contaminants in sediments of dam. The sediments in the study area are mostly very fine sands. However, mud was observed in the northeast of the dam. Sediment pollution assessment was carried out using enrichment factor. The calculation of enrichment factors showed that Mo is depleted by 1.0 whereas Cu, Pb, Zn, Ni, Co, Mn, As, V, Cr and Cd are enriched by 3, 5.4, 7, 2.7, 2.2, 3.4, 42.3, 2.1, 1.8 and 7.2, respectively. Relatively high concentrations heavy metals occurred in north (textile industry area) and east (Karasu River) due to enrichment controlled by anthropogenic wastes. The results of correlation analysis show low-medium positive and negative correlations among metals, grain size, carbonate contents and organic carbon and indicate that heavy metals in sediments of the Akkaya Dam have different anthropogenic sources.
从 Akkaya 大坝采集了 21 个表层沉积物样本。为了评估环境污染程度并讨论这些污染物在大坝沉积物中的来源，研究了重金属浓度（Mo、Cu、Pb、Zn、Ni、Co、Mn、Fe、Cr、As、V 和 Cd）、粒度、有机碳和碳酸盐含量。研究区域的沉积物主要是极细砂。然而，在大坝的东北部观察到了泥浆。通过富集因子对沉积物污染进行了评估。富集因子的计算表明，Mo 被消耗了 1.0，而 Cu、Pb、Zn、Ni、Co、Mn、As、V、Cr 和 Cd 分别富集了 3、5.4、7、2.7、2.2、3.4、42.3、2.1、1.8 和 7.2。由于人为废物的富集控制，重金属在北部（纺织工业区）和东部（Karasu 河）的浓度相对较高。相关分析的结果表明，金属、粒度、碳酸盐含量和有机碳之间存在中低正相关和负相关，表明 Akkaya 大坝沉积物中的重金属具有不同的人为来源。
