Journal
MARINE POLLUTION BULLETIN
Volume 50, Issue 3, Pages 319-326Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2004.11.003
Keywords
PAHs; sediment; core; source; PCA; Masan Bay
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The distribution of polycyciic aromatic hydrocarbons (PAHs) has been investigated in the surface and core sediments from Masan Bay, Korea. Total PAHs in the surface sediments ranged from 207 to 2670 ng/g dry weight with a mean value of 680 ng/ g. Qualitative similarity and quantitative difference between inner and outer bay indicate that the main sources of PAHs are located in the inner bay and Outer bay is also affected by the same sources. Vertical distribution of PAHs revealed that three distinctive stages could be differentiated with the help of PCA analysis. The highest concentration (industrialization stage) appeared between late 1950s and 1980, which was 10 years later than other developed countries. A strong pyrolytic source fingerprint has been detected with slight influence of petrogenic sources, and diagenetic PAH, perylene also contributed. Total organic carbon normalized PAHs (sum of 13 PAHs. 8.85-88.0 mu g/g OC were under the threshold effects concentration (TEC, 290 mu g/g OC. (C) 2004 Elsevier Ltd. All rights reserved.
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