Historical trend in heavy metal pollution in core sediments from the Masan Bay, Korea
作者： Jinhyung Cho , Sangmin Hyun , J.-H. Han , Suhyun Kim , Dong-Hyeok Shin
DOI: 10.1016/J.MARPOLBUL.2015.03.034
关键词:
摘要: The spatiotemporal distribution and their mass accumulation rate (MAR) of heavy metals were investigated to evaluate the time-dependent historical trends metal concentration. three short cores used for this study collected from catchment area (MS-PC5, 60cm length), central part (MS-PC4, 40cm length) offshore (MS-PC2, Masan Bay, Korea. concentration (Co, Ni, Cu, Zn, Cr Pb) in is as much 1.5-2 times higher than about 2 approximately. In particular, MAR (Cu, Zn show clear variation, so that MAR's may provide more accurate information evaluating degree pollution. Temporally, had been increased since late 1970s, but it seems decrease again 2004yr area. This came concentrated efforts government reduce industrial waste release.
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