Table 1 Intracellular iron:carbon (Fe:C) ratios, Fe uptake rates and dissolved Fe concentrations for upper Southern Ocean waters between longitudes 142°E and 172°E.
Station/Study latitude | Fe:C (µmol mol−1) | Fe uptake rate (pmol L−1 d−1) | Dissolved Fe (pmol kg−1) | Notes | Reference |
|---|---|---|---|---|---|
Cold core eddy—49.7°S | 224 ± 38 | 25 ± 5 | 23 ± 1 | 15–40 m—80–20% irradiance | This study |
SAZ—51.4°S | 40 ± 8 | 12 ± 2 | 48 ± 17 | 15–40 m—80–20% irradiance | This study |
SOTS—46.7°S | 61 ± 7 | 28 ± 6 | 60 ± 4 | 15–40 m—80–20% irradiance | This study |
SOIREE—61°S | 3–7.5# | 3.07# | 80 ± 30$ | Fe enrichment experiment | Bowie et al.53 |
FeCycle—46°S | 5.5 - 19 | 290–360 | 51 ± 11 | Subantarctic experiment | McKay et al.54 |
SOFex—56°S | 9–11 | not reported | 140 | Northern Patch | Twining et al.55 |
SAZ Project—47°S | 52 | 60 | 70 | SOTS station | Boyd et al.18 |
SAZ Project—54°S | 78 | 55 | 70 | Polar water station—equivalent to where the cyclonic eddy originated | Boyd et al.18 |
SAZ-Sense P1—46.3°S | 70 ± 44 | 110 ± 10 | 260 ± 40 | Equivalent to SOTS station | Bowie et al.56 |
SAZ-Sense P2—54°S | 60 ± 9 | 34 ± 5 | 210 ± 20 | Polar water station—equivalent to where the cyclonic eddy originated | Bowie et al.56 |
SAZ-Sense P3—45.5°S | 74 ± 47 | 77 ± 10 | 440 ± 70 | Site close to Subtropical convergence | Bowie et al.56 |
