| Ross Sea: Comparison of Production, New Production and Export | ||||||
| Cruise = | P3 | Units = mmol C/m^2/d | ||||
| Method | Source | Comments | Orca | Minke | Sei | mean |
| 14 C | Marra/Barber/Smith | 2.0 | 1.05 +/- 0.1 | 3.3 +/- 2.0 | 2.6 | |
| (n=1) | (n=2) | (n=2) | ||||
| 18O | Bender | Gross C | 0 | 1 | 9 | 2 +/- 3 |
| Net C | ||||||
| Dark respiration | ||||||
| 15N | Cochlan/Bronk | 15NO3 | 3.4 (n=1) | 9.8 (n=1) | 2.2 (n=1) | 2.2 (n=1) |
| Total | 6.8 (n=1) | 40.3 (n=1) | 5.2 (n=1) | 5.2 (n=1) | ||
| f-value | (0.49) | (0.24) | (0.24) | (0.43) | ||
| delta- stocks | ||||||
| NCP | Sweeney | @200m | 3.9 mol/m2 | |||
| TOC | " | surplus @ 200 m | 0.1 mol/m2 | |||
| Export | " | @200 m (annual) | 3.8 mol/m2 | |||
| POC | Gardner | 100 m: P3(T1) - P2(T2) loss | 39 | |||
| 234Th | Cochran | 100m steady state | 9.4 | 13.8 | 13 | 12.1 |
| 100 m non-steady state | 1.8 | 0 | 0 | 0.6 | ||
| (4/14-4/23) | (4/18-4/27) | (4/13-4/30) | ||||
| 200m trap | Dymond | C8 4/13-5/17 | 5.0 | 1.4 | ||
| 500m trap | Avg or best estimate | 7.6 | ~5* | |||
| C12 3/27-4/30 | 3.3 | C11 3/10-3/23 | 2.8 | |||
| C13 4/20-6/20 | 10.5 | |||||
| * clog after C11 at Sei; no data thereafter | ||||||