北大港湿地东部多环芳烃沉积记录与来源分析

马晗宇, 申月芳, 杨耀栋

Sedimentary record and sources analysis of polycyclic aromatic hydrocarbons in eastern Beidagang Wetland

MA Han-Yu, SHEN Yue-Fang, YANG Yao-Dong

表2 沉积柱中多环芳烃浓度统计

Table 2 Concentations of 16 PAHs in the sediment core from eastern Beidagang Wetland

PAH名称 浓度范围/10-9 平均值/10-9 中位值/10-9 变异系数 萘 Nap nd~16.3 7.73 7.72 0.629 苊 Ace nd~4.42 1.39 0.96 0.657 苊烯 Acy nd~9.81 2.66 1.25 0.970 芴 Flu 2.81~44.0 13.1 6.12 1.06 菲 Phe 7.98~81.4 35.1 36.3 0.538 蒽 Ant nd~7.43 2.79 2.81 0.728 荧蒽 Flua nd~56.9 20.8 23.7 0.548 芘 Pyr nd~45.2 16.6 16.6 0.687 苯并(a)蒽 BaA nd~42.2 10.1 0.50 0.477 ? Chry nd~99.2 32.5 15.0 1.02 苯并(b)荧蒽 BbF nd~69.1 19.9 5.46 0.648 苯并(k)荧蒽 BkF 2.12~91.1 26.6 7.92 1.17 苯并(a)芘 BaP 1.25~38.5 13.5 10.7 0.810 茚并(1,2,3-cd)芘 INP nd~61.7 18.5 4.75 1.01 二苯并(a,h)蒽 DahA nd~67.1 17.6 1.00 0.478 苯并(ghi)苝 BgP nd~176 47.3 9.99 1.05 ∑2~3环 12.5~148 62.3 60.2 0.639 ∑4环 2.25~244 79.3 55.2 1.04 ∑5~6环 3.37~504 142 41.8 1.26 ∑PAHs 18.1~821 284 198 0.954