South Sea Institute, Korea Institute of Ocean Science and Technology, Geoje 656-830, Republic of Korea.
Mar Pollut Bull. 2012 Nov;64(11):2542-8. doi: 10.1016/j.marpolbul.2012.07.033. Epub 2012 Aug 11.
Historical environmental pollution in a semi-enclosed coastal bay was investigated using high-resolution sedimentary records for C(org), N(tot), CaCO(3,) δ(13)C, and δ(15)N signatures, and trace metals. A temporal increase in organic matter might have been attributable to enhanced primary marine productivity, presumably caused by increased anthropogenic nutrient inputs in the semi-enclosed, eutrophic system. Metal accumulation occurred in three stages: a preindustrial stage before the 1930s with natural concentrations of metals, an industrialization stage (1940s-1970s) with the highest concentrations, and a postindustrial stage (post 1970s) with stable or decreasing concentrations. However, Hg exhibited a different accumulation history, with concentrations increasing in the early 1900s and accelerating after the 1920s, probably in response to coal burning.
利用高分辨率的沉积物记录，包括 C(org)、N(tot)、CaCO(3)、δ(13)C 和 δ(15)N 特征以及微量元素，研究了半封闭沿海湾的历史环境污染。有机物的时间增加可能归因于海洋初级生产力的增强，这可能是由于半封闭富营养系统中人为营养物质输入的增加所致。金属积累发生在三个阶段：1930 年代以前的前工业化阶段，金属浓度为自然浓度；工业化阶段（1940 年代至 1970 年代），金属浓度最高；后工业化阶段（1970 年代后），金属浓度稳定或下降。然而，Hg 的积累历史不同，其浓度在 20 世纪初开始增加，并在 20 年代后加速上升，可能是由于煤炭燃烧所致。
