|
| Cruises | ||
| fCO2 (μatm) | FOCAL 6 (January - February 84) | CITHER 1 (January - March 93) | EQUALANT 99 (July - August 99) |
| Measured | 373 ± 23 | 370 ± 30 | 398 ± 30 |
| Calculated | 377 ± 8 | 373 ± 5 | 403 ± 11 |