Ross Sea: Comparison of Production, New Production and Export | ||||||
Cruise = | P1 | Units = mmol C/m^2/d | ||||
Method | Source | Comments | Orca | Minke | Sei | mean |
14 C | Marra/Barber/ | 33.9 +/- 25.9 | 5.4 +/- 2.3 | NA | 20 | |
Smith | ||||||
18O | Bender | Gross C | 42 +/- 31 | 6 +/- 3 | 30 +/- 28 | |
Net C | ||||||
Dark respiration | ||||||
Net C- O2 electrode | ||||||
15N | Cochlan/ | 15NO3 | 44.3 (n=1) | 1.9 (n=1) | - | 23.1 |
Bronk | (Total) | 53.9 (n=1) | 2.1 (n=1) | - | 28 | |
f-value | (0.82) | (0.88) | - | (0.82) | ||
delta- stocks: | ||||||
POC | Gardner | 100 m:P1(T2)-P1(T1) | increase | 22 | ||
234Th | Cochran | 100m steady state | 2.3 | 0 | NA | 1.2 |
100 m non-steady state | 0 | NA | NA | |||
(10/18-11/12) | ||||||
200m trap | Dymond | Pre-trap deployment- | ||||
No data | ||||||
500m trap | ||||||