Table 1 DFe and SSFe concentrations and annual yields for runoff and icebergs.
From: Climatically sensitive transfer of iron to maritime Antarctic ecosystems by surface runoff
Livingston Island (Hurd Peninsula) | Signy Island | South Georgia (East Cumberland Bay) | |||||||
---|---|---|---|---|---|---|---|---|---|
Glacial runoff | Non-glacial runoff | Icebergs | Glacial runoff | Non-glacial runoff> | Icebergs | Glacial runoff | Non-glacial runoff | Icebergs | |
Concentrations | |||||||||
DFe (μg l−1) | 75.2±62.8 | 32.5±14.7 | 1.84±1.17* | 28.3±14.6 | 57.8±22.4 | – | 28.4±16.2 | 16.3±31.0 | 1.84±1.17* |
SSFe (μg l−1) | 2,010±1,350 | 586±312 | 380 (150–970)** | 148±310 | 165±241 | – | 13,100±7,980 | 127±135 | 380 (150–970)** |
Yields | |||||||||
Water (m a−1) | 1.08 | 0.01 | 0.25 | 0.10 | 0.10 | 0.00 | 1.50 | 0.59 | 0.64 |
DFe (kg km−2 a−1) | 80.9 | 0.25 | 0.46 | 2.69 | 3.58 | 0.00 | 40.2 | 9.65 | 1.17 |
SSFe (kg km−2 a−1) | 2,160 | 4.59 | 94.8 | 10.3 | 16.5 | 0.00 | 18,450 | 74.8 | 241 |