Table 3 THg concentrations and THg mass accumulation rates in surface sediments from various sites.
Sites* | Sample No. | THg (ng g−1) | MAR (g cm−2 yr−1) | THg MAR (μg m−2 yr−1) |
|---|---|---|---|---|
Huang He River | 22 | 20 ± 3 | 0.5 | 100 ± 15 |
Changjiang River | 24 | 105 ± 11 | 0.87 | 914 ± 96 |
East China Sea | 27 | 18 ± 1 | 0.2 | 36 ± 2 |
Yellow Sea | 195 | 19 ± 1 | 0.15 | 29 ± 2 |
East Sea | 6 | 89 ± 22 | 0.02 | 18 ± 4 |
Okhotsk Sea | 27 | 91 ± 30 | 0.02 | 18 ± 6 |
Bering Sea | 11 | 49 ± 9 | 0.07 | 34 ± 6 |
Western Arctic Ocean | 7 | 78 ± 8 | 0.04 | 31 ± 3 |
Alaska permafrost37 | 588 | 43 ± 30 | — | — |
Wijdefjorden | 6 | 30 ± 9 | 0.004 | 1.2 ± 0.4 |
Dicksonfjorden | 8 | 18 ± 7 | 0.11 | 17 ± 6 |
Hornsund | 21 | 52 ± 15 | 0.18 | 92 ± 27 |