Flux Comparison
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Reference run (longer time span): Comparison run (shorter time span):
Long-term mean natural (biosphere + ocean + fire) flux from CT2022 compared to CT2019B, including average fluxes computed over common time periods. The uncertainty listed is the one standard deviation level from the ensemble Kalman filter estimate. Units are PgC yr-1. Differences greater than 0.2 PgC yr-1 between fluxes computed over common time periods are highlighted with red text.
Recent CarbonTracker releases are composed of independent inversions using different sets of priors (see documentation). We offer the ability here to explore the influence of these different priors. Please contact Andy Jacobson for more information.
| 2001-2020 | 2001-2018 | ||
|---|---|---|---|
| Transcom region | CT2022 | CT2022 | CT2019B |
| North American Boreal | -0.25 ± 0.27 | -0.26 ± 0.27 | -0.24 ± 0.28 |
| North American Temperate | -0.41 ± 0.26 | -0.39 ± 0.26 | -0.34 ± 0.28 |
| South American Tropical | 0.24 ± 0.44 | 0.22 ± 0.44 | 0.25 ± 0.53 |
| South American Temperate | -0.03 ± 0.37 | -0.05 ± 0.37 | -0.05 ± 0.37 |
| Northern Africa | -0.14 ± 0.35 | -0.14 ± 0.35 | -0.16 ± 0.35 |
| Southern Africa | 0.33 ± 0.24 | 0.32 ± 0.25 | 0.28 ± 0.29 |
| Eurasia Boreal | -0.68 ± 0.72 | -0.67 ± 0.68 | -0.71 ± 0.80 |
| Eurasia Temperate | -0.21 ± 0.46 | -0.22 ± 0.47 | -0.54 ± 0.50 |
| Tropical Asia | 0.19 ± 0.14 | 0.19 ± 0.14 | 0.21 ± 0.14 |
| Australia | 0.02 ± 0.10 | 0.02 ± 0.10 | 0.03 ± 0.10 |
| Europe | -0.05 ± 0.62 | -0.04 ± 0.60 | -0.06 ± 0.60 |
| North Pacific Temperate | -0.68 ± 0.63 | -0.68 ± 0.62 | -0.68 ± 0.61 |
| West Pacific Tropical | -0.02 ± 0.09 | -0.01 ± 0.08 | -0.01 ± 0.09 |
| East Pacific Tropical | 0.48 ± 0.43 | 0.49 ± 0.43 | 0.37 ± 0.42 |
| South Pacific Temperate | -0.46 ± 0.35 | -0.46 ± 0.35 | -0.54 ± 0.37 |
| Northern Ocean | -0.46 ± 0.37 | -0.47 ± 0.37 | -0.42 ± 0.34 |
| North Atlantic Temperate | -0.45 ± 0.46 | -0.44 ± 0.45 | -0.33 ± 0.40 |
| Atlantic Tropical | 0.08 ± 0.20 | 0.08 ± 0.20 | 0.06 ± 0.17 |
| South Atlantic Temperate | -0.49 ± 0.24 | -0.49 ± 0.24 | -0.47 ± 0.26 |
| Southern Ocean | -0.51 ± 0.42 | -0.48 ± 0.41 | -0.55 ± 0.39 |
| Indian Tropical | 0.06 ± 0.21 | 0.07 ± 0.21 | 0.05 ± 0.18 |
| South Indian Temperate | -0.61 ± 0.33 | -0.60 ± 0.33 | -0.46 ± 0.31 |
| 2001-2020 | 2001-2018 | ||
| Aggregated Transcom region | CT2022 | CT2022 | CT2019B |
| Northern Land | -1.60 ± 1.11 | -1.58 ± 1.08 | -1.89 ± 1.18 |
| Northern Oceans | -1.59 ± 0.87 | -1.59 ± 0.86 | -1.43 ± 0.82 |
| Northern | -3.19 ± 1.42 | -3.17 ± 1.38 | -3.32 ± 1.44 |
| Tropical Land | 0.29 ± 0.62 | 0.26 ± 0.62 | 0.30 ± 0.69 |
| Tropical Ocean | 0.61 ± 0.50 | 0.63 ± 0.51 | 0.47 ± 0.49 |
| Tropical | 0.90 ± 0.80 | 0.89 ± 0.81 | 0.77 ± 0.85 |
| Southern Land | 0.32 ± 0.50 | 0.29 ± 0.51 | 0.26 ± 0.53 |
| Ocean in South | -2.07 ± 0.69 | -2.02 ± 0.68 | -2.01 ± 0.67 |
| Southern | -1.75 ± 0.86 | -1.73 ± 0.86 | -1.75 ± 0.87 |
| Americas | -0.45 ± 0.70 | -0.48 ± 0.71 | -0.37 ± 0.83 |
| Atlantic and Arctic | -1.32 ± 0.67 | -1.32 ± 0.66 | -1.15 ± 0.60 |
| Eurasia and Africa | 0.14 ± 0.76 | 0.13 ± 0.74 | 0.05 ± 0.78 |
| Indian Ocean | -0.55 ± 0.39 | -0.53 ± 0.39 | -0.41 ± 0.36 |
| Asia | -0.68 ± 0.87 | -0.69 ± 0.84 | -1.02 ± 0.96 |
| Pacific Ocean | -0.68 ± 0.82 | -0.66 ± 0.82 | -0.86 ± 0.79 |
| All Land | -0.99 ± 1.45 | -1.03 ± 1.43 | -1.34 ± 1.62 |
| All Ocean | -3.06 ± 1.25 | -2.98 ± 1.23 | -2.97 ± 1.14 |
| Global | -4.05 ± 1.92 | -4.01 ± 1.89 | -4.31 ± 1.96 |
| North America | -0.66 ± 0.38 | -0.64 ± 0.38 | -0.57 ± 0.40 |
| Extratropical Eurasia | -0.94 ± 1.05 | -0.94 ± 1.01 | -1.32 ± 1.12 |
| Temperate Northern Ocean | -1.13 ± 0.77 | -1.12 ± 0.76 | -1.01 ± 0.72 |
| Temperate Southern Ocean | -1.56 ± 0.56 | -1.55 ± 0.56 | -1.46 ± 0.58 |
| Tropical and Southern Land | 0.61 ± 0.86 | 0.55 ± 0.88 | 0.56 ± 1.03 |
| Tropical Pacific | 0.47 ± 0.43 | 0.47 ± 0.43 | 0.36 ± 0.43 |
| Temperate Oceans | -2.69 ± 0.96 | -2.66 ± 0.94 | -2.48 ± 0.89 |
| High Latitude Oceans | -0.98 ± 0.57 | -0.95 ± 0.56 | -0.97 ± 0.53 |
| Extratropical Oceans | -3.67 ± 1.15 | -3.61 ± 1.13 | -3.44 ± 1.05 |
| Tropical and Southern Oceans | -1.46 ± 0.85 | -1.40 ± 0.84 | -1.54 ± 0.85 |
| Northern Boreal Land | -0.93 ± 0.77 | -0.93 ± 0.74 | -0.95 ± 0.85 |
| Northern Temperate Land | -0.67 ± 0.83 | -0.65 ± 0.82 | -0.95 ± 0.84 |
| Tropical land minus northern land | 1.89 ± 1.27 | 1.84 ± 1.24 | 2.19 ± 1.35 |
| High North Ocean and Boreal Land | -1.39 ± 0.87 | -1.40 ± 0.84 | -1.36 ± 0.93 |
| Northern Temperate Land and Ocean | -1.80 ± 1.14 | -1.76 ± 1.12 | -1.96 ± 1.11 |
| Southern Temperate Land and Ocean | -1.24 ± 0.75 | -1.26 ± 0.76 | -1.21 ± 0.80 |
| Tropical and Southern Land and Ocean | -0.85 ± 1.22 | -0.85 ± 1.23 | -0.99 ± 1.34 |
| Tropics and south minus north | 2.34 ± 1.84 | 2.32 ± 1.82 | 2.34 ± 1.98 |
| Tropical and southern land minus northern land | 2.21 ± 1.39 | 2.13 ± 1.37 | 2.45 ± 1.53 |
| Africa | 0.19 ± 0.42 | 0.18 ± 0.43 | 0.12 ± 0.46 |
| South America | 0.21 ± 0.61 | 0.17 ± 0.62 | 0.20 ± 0.73 |