| Ross Sea: Comparison of Production, New Production and Export | ||||||
| Cruise = | P4 | Units = mmol C/m^2/d | ||||
| Method | Source | Comments | Orca | Minke | Sei | mean |
| 14 C | Marra/Barber/Smith | 36.8 +/- 10.2 | 117.3 +/- 68.1 | 34 | 62.7 +/- 47.3 | |
| (n=5) | (n=4) | (n=1) | ||||
| 18O | ||||||
| 15N | Cochlan/Bronk | 15NO3 | 12.7 (n=1) | 77.5 (n=1) | - | 57.3 |
| Total | 16.7 (n=1)( | 89.9 (n=1) | - | 67.4 | ||
| f-value | (0.76) | (0.86) | - | (0.85) | ||
| delta- stocks | ||||||
| NCP | Sweeney | @200 m | 1.5 mol/m2 | |||
| TOC | " | surplus @ 200 m | 1.4 mol/m2 | |||
| Export | " | @ 200 m | 0.1 mol/m2 | |||
| POC | Gardner | 100 m: P4(T1)-P3(T1) gain | 2.6 | |||
| 100 m:P4(T3) - P4(T1) gain | 59 | |||||
| 100 m:P4(T4) - P4(T3) gain | 232 | |||||
| 100 m:P4(T5)-P4(T4) loss | 23 | |||||
| 234Th | Cochran | 100m steady state | NA | NA | NA | |
| 100 m non-steady state | ||||||
| 200m trap | Dymond | Avg or best estimate | 0.06 | 0.07 | ||
| C12 | 0.1 | |||||
| C13 | 0.04 | |||||
| 500m trap | Avg or best estimate | 0.1 | no data | |||
| C18 11/20-12/7 | 0.07 | |||||
| C19 12/7-12/24 | 0.08 | |||||
| C20 12/24-1/10 | 0.42 | |||||