The Distributional Characteristics of Heavy Metal in Jiangsu Province Shoal Sea
Table 5
Heavy metal content and background values in Xinyanggang tidal land.
Area
Pb (μg/g)
Zn (μg/g)
Cu (μg/g)
Cr (μg/g)
Li
Background value in Xinyanggang tidal flat
21.05
88.5
21.35
46.8
38
Mean value in Xinyanggang tidal flat
65.83
68.95
20.84
52.83
31.49
Maximum value in Xinyanggang tidal flat
71.88
73.14
22.87
56.28
33.78
Minimum value in Xinyanggang tidal flat
56
64.02
18.14
48.42
30.05
Background value in north shore tidal flat of Changjiang estuary
22.1
112
27.7
33.6
—
Background value in eastern China tidal flat
20
65
15
60
38
Marine survey value in Jiangsu tidal flat heavy metal survey in 1986
25
80
30
45.7
Marine baseline survey value of Dafeng County in 1997
28.06
—
—
1.06
−0.954
−0.62
−0.409
−0.857
Pollution degree
Heavier pollution
No pollution
No pollution
No pollution
No pollution
2.774
−0.06
0.192
0.362
EF
3.774
0.94
1.178
1.362
Enrichment degree
Strong enrichment
Proximity enrichment
Proximity enrichment
Proximity enrichment
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