Source and fate of plumbum in marine bay

Many marine bays bave been polluted by Plumbum (Pb) due to the rapid development of industry and the swift increasing of economic, and therefore understanding the source and fate of Pb is essential to environmental remediation in marine bays. This paper analyzed the source and fate of Pb in Jiaozhou Bay, Shandong Province, eastern China in 1989. Results showed that Pb contents in surface waters in April, July and October 1989 were 5.56-12.59 μg L-1, 1.73-15.17 μg L-1 and 0.50-11.57 μg L-1, and the pollution levels were heavy, moderate and slight/moderate, respectively. The major sources of Pb in this bay were atmosphere deposition, overland runoff and river discharge, and their source strengths were 15.17 μg L-1, 12.59 μg L-1 and 11.57-12.06 μg L-1, respectively. The three source input processes were defined that the longer migration processes, the larger loss of substance’s contents. Furthermore, fate of Pb from source to sink was also defined. These migration processes were demonstrated by two block diagrams, which were helpful to better understand the source and fate of Pb in marine bay.

Abstract licence: CC BY

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