Table 1 Temporal variability of the ocean CO2 sink estimated using different methods
From: Constraining the trend in the ocean CO2 sink during 2000–2022
Methods | Amplitude of decadal variability (Pg C yr−1) | Decadal trends (Pg C yr−1 decade−1) | |||
|---|---|---|---|---|---|
1990–2022 | 1990s | 2000s | 2010s | 2000–2022 | |
Process-based models | |||||
GCB’s GOBMs | 0.08 ± 0.02 | 0.11 ± 0.16 | 0.40 ± 0.10 | 0.34 ± 0.08 | 0.28 ± 0.05 |
NEMO-PlankTOM12.1 | 0.11 | 0.02 | 0.27 | 0.53 | 0.33 |
Observation-based products | |||||
GCB’s fCO2-products | 0.14 ± 0.06 | −0.12 ± 0.35 | 0.71 ± 0.38 | 0.68 ± 0.19 | 0.54 ± 0.13 |
Hybrid approach | |||||
This study | 0.13 ± 0.02 | −0.19 ± 0.17 | 0.80 ± 0.21 | 0.44 ± 0.15 | 0.42 ± 0.06 |
