Affiliation:
1. Guizhou Minzu University, State Oceanic Administration
2. Guizhou Minzu University
Abstract
Based on the investigation data of Plumbum (Pb) in surface waters in Jiaozhou Bay in April, August and November 1981, this paper analyzed the content, distribution and source of Pb. Results showed that Pb contents in April, August and November ranged from 0.20-2.65 μg. L-1, 0.79-3.34 μg. L-1 and 0.00-3.00 μg. L-1, respectively, all of which were lower than Grade II (5.00 μg.L-1) in according to National Standard of China for Seawater Quality (GB3097-1997). Agricultural non-point source and urban point source were the major pollution source of Pb in spring (growing season) and autumn (dry season), respectively; while both point and non-point sources were responsible in summer (wet season).
Publisher
Trans Tech Publications, Ltd.
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