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Natural (biosphere + ocean + fire) flux · PgC yr−1
Ensemble mean ± 1σ. Full = each run's own record; Common = both runs over shared years (2000–2020). Δ = Run 2 − Run 1 over the common range; σ sep = how many combined 1σ the two runs differ by.
Δ < 0 (Run 2 lower) Δ > 0 (Run 2 higher) |Δ| > 0.2 flagged ≥ 1σ apart = bold (well separated)
↗ Click any region name to open its flux time series.
Region CT2026 CT2022 Δ common σ sep
Full2000–2025 Common2000–2020 Full2000–2020 Common2000–2020
Global totals
Global-4.40± 1.76-4.21± 1.71-4.04± 1.66-4.04± 1.66+0.170.1σ
All Land-2.63± 1.56-2.54± 1.52-1.04± 1.23-1.04± 1.23+1.510.8σ
All Ocean-1.78± 0.90-1.67± 0.88-3.01± 1.23-3.01± 1.23-1.340.9σ
Land regions
North American Boreal-0.22± 0.57-0.25± 0.55-0.25± 0.53-0.25± 0.53+0.000.0σ
North American Temperate-0.45± 0.49-0.45± 0.48-0.42± 0.53-0.42± 0.53+0.030.0σ
South American Tropical-0.03± 0.76-0.06± 0.760.25± 0.660.25± 0.66+0.310.3σ
South American Temperate-0.71± 0.82-0.72± 0.81-0.04± 0.63-0.04± 0.63+0.680.7σ
Northern Africa0.73± 1.110.77± 1.12-0.14± 0.60-0.14± 0.60-0.910.7σ
Southern Africa0.05± 0.800.09± 0.780.32± 0.500.32± 0.50+0.230.2σ
Eurasia Boreal-0.72± 1.03-0.61± 0.94-0.68± 0.87-0.68± 0.87-0.070.1σ
Eurasia Temperate-0.75± 1.08-0.83± 1.07-0.22± 0.69-0.22± 0.69+0.610.5σ
Tropical Asia-0.11± 0.55-0.08± 0.530.19± 0.380.19± 0.38+0.270.4σ
Australia0.00± 0.410.03± 0.400.02± 0.330.02± 0.33-0.010.0σ
Europe-0.43± 0.96-0.42± 0.96-0.06± 0.80-0.06± 0.80+0.360.3σ
Ocean regions
North Pacific Temperate-0.51± 0.64-0.48± 0.63-0.67± 0.86-0.67± 0.86-0.190.2σ
West Pacific Tropical-0.02± 0.28-0.03± 0.28-0.02± 0.35-0.02± 0.35+0.010.0σ
East Pacific Tropical0.34± 0.490.34± 0.480.49± 0.680.49± 0.68+0.160.2σ
South Pacific Temperate-0.30± 0.47-0.28± 0.46-0.45± 0.63-0.45± 0.63-0.170.2σ
Northern Ocean-0.26± 0.45-0.27± 0.45-0.46± 0.70-0.46± 0.70-0.180.2σ
North Atlantic Temperate-0.27± 0.51-0.26± 0.50-0.44± 0.72-0.44± 0.72-0.190.2σ
Atlantic Tropical0.07± 0.310.07± 0.310.08± 0.490.08± 0.49+0.010.0σ
South Atlantic Temperate-0.32± 0.37-0.33± 0.35-0.50± 0.50-0.50± 0.50-0.170.3σ
Southern Ocean-0.32± 0.44-0.28± 0.43-0.50± 0.66-0.50± 0.66-0.230.3σ
Indian Tropical0.09± 0.410.09± 0.400.07± 0.550.07± 0.55-0.030.0σ
South Indian Temperate-0.27± 0.40-0.25± 0.38-0.62± 0.60-0.62± 0.60-0.360.5σ
Aggregated, derived & other regions (62) — click to hide
Latitude bands (9)
Northern Land-2.56± 1.39-2.57± 1.34-1.63± 1.08-1.63± 1.08+0.940.5σ
Northern Oceans-1.05± 0.78-1.01± 0.76-1.57± 1.03-1.57± 1.03-0.550.4σ
Northern-3.61± 1.56-3.58± 1.51-3.20± 1.43-3.20± 1.43+0.380.2σ
Tropical Land0.60± 1.100.63± 1.090.29± 0.790.29± 0.79-0.330.2σ
Tropical Ocean0.48± 0.590.48± 0.580.63± 0.810.63± 0.81+0.150.1σ
Tropical1.08± 1.211.10± 1.200.92± 1.060.92± 1.06-0.190.1σ
Southern Land-0.66± 0.99-0.60± 0.980.30± 0.730.30± 0.73+0.900.7σ
Ocean in South-1.21± 0.59-1.14± 0.58-2.07± 0.87-2.07± 0.87-0.930.9σ
Southern-1.87± 1.14-1.74± 1.12-1.77± 1.11-1.77± 1.11-0.030.0σ
Ocean basins & continents (6)
Americas-1.40± 0.96-1.48± 0.94-0.46± 0.86-0.46± 0.86+1.020.8σ
Atlantic and Arctic-0.79± 0.63-0.79± 0.61-1.32± 0.91-1.32± 0.91-0.530.5σ
Eurasia and Africa0.35± 1.350.44± 1.360.12± 0.890.12± 0.89-0.320.2σ
Indian Ocean-0.18± 0.50-0.16± 0.49-0.55± 0.72-0.55± 0.72-0.390.4σ
Asia-1.58± 1.29-1.50± 1.23-0.69± 0.95-0.69± 0.95+0.800.5σ
Pacific Ocean-0.49± 0.76-0.45± 0.74-0.64± 0.98-0.64± 0.98-0.190.2σ
Derived combinations (19)
North America-0.67± 0.65-0.70± 0.64-0.67± 0.64-0.67± 0.64+0.030.0σ
Extratropical Eurasia-1.90± 1.36-1.87± 1.31-0.96± 1.05-0.96± 1.05+0.900.5σ
Temperate Northern Ocean-0.78± 0.73-0.74± 0.72-1.11± 0.95-1.11± 0.95-0.370.3σ
Temperate Southern Ocean-0.89± 0.55-0.86± 0.54-1.57± 0.79-1.57± 0.79-0.700.7σ
Tropical and Southern Land-0.06± 1.290.03± 1.280.59± 0.940.59± 0.94+0.570.4σ
Tropical Pacific0.32± 0.520.31± 0.500.48± 0.700.48± 0.70+0.170.2σ
Temperate Oceans-1.68± 0.80-1.60± 0.78-2.68± 1.05-2.68± 1.05-1.080.8σ
High Latitude Oceans-0.58± 0.53-0.55± 0.52-0.96± 0.84-0.96± 0.84-0.410.4σ
Extratropical Oceans-2.26± 0.83-2.15± 0.82-3.63± 1.17-3.63± 1.17-1.481.0σ
Tropical and Southern Oceans-0.73± 0.71-0.66± 0.70-1.44± 1.01-1.44± 1.01-0.780.6σ
Northern Boreal Land-0.94± 1.07-0.87± 0.99-0.93± 0.90-0.93± 0.90-0.060.0σ
Northern Temperate Land-1.62± 1.23-1.70± 1.22-0.70± 0.94-0.70± 0.94+1.000.6σ
Tropical land minus northern land0.60± 1.100.63± 1.090.29± 0.790.29± 0.79-0.330.2σ
High North Ocean and Boreal Land-1.21± 1.15-1.14± 1.07-1.39± 1.08-1.39± 1.08-0.240.2σ
Northern Temperate Land and Ocean-2.41± 1.40-2.44± 1.39-1.81± 1.28-1.81± 1.28+0.630.3σ
Southern Temperate Land and Ocean-1.55± 1.13-1.46± 1.11-1.26± 1.05-1.26± 1.05+0.200.1σ
Tropical and Southern Land and Ocean-0.79± 1.44-0.63± 1.42-0.85± 1.32-0.85± 1.32-0.210.1σ
Tropics and south minus north-0.79± 1.44-0.63± 1.42-0.85± 1.32-0.85± 1.32-0.210.1σ
Tropical and southern land minus northern land-0.06± 1.290.03± 1.280.59± 0.940.59± 0.94+0.570.4σ
TransCom (fine split) (10)
TransCom 03a: Northern Tropical South America0.00± 0.46-0.01± 0.460.10± 0.400.10± 0.40+0.110.2σ
TransCom 03b: Southern Tropical South America-0.03± 0.60-0.05± 0.590.14± 0.520.14± 0.52+0.190.2σ
TransCom 05a: Temperate Northern (north extratropical) Africa0.04± 0.250.04± 0.25-0.01± 0.15-0.01± 0.15-0.050.2σ
TransCom 05b: Northern Tropical Africa0.70± 1.090.74± 1.10-0.12± 0.59-0.12± 0.59-0.860.7σ
TransCom 06a: Southern Tropical Africa0.07± 0.740.11± 0.730.28± 0.470.28± 0.47+0.170.2σ
TransCom 06b: Temperate Southern (south extratropical) Africa-0.03± 0.27-0.02± 0.270.03± 0.140.03± 0.14+0.050.2σ
TransCom 09a: Northern Tropical Asia-0.08± 0.48-0.07± 0.460.10± 0.320.10± 0.32+0.170.3σ
TransCom 09b: Southern Tropical Asia-0.02± 0.27-0.01± 0.260.06± 0.190.06± 0.19+0.070.2σ
TransCom 10a: Tropical Australia0.01± 0.290.02± 0.280.01± 0.220.01± 0.22-0.010.0σ
TransCom 10b: Temperate Australia-0.01± 0.290.00± 0.290.00± 0.250.00± 0.25+0.000.0σ
Zonal bands (10)
ZB: Arctic-0.15± 0.59-0.18± 0.59-0.26± 0.56-0.26± 0.56-0.080.1σ
ZB: N. Midlatitudes-3.12± 1.46-3.05± 1.41-2.71± 1.34-2.71± 1.34+0.340.2σ
ZB: N. Tropics0.44± 1.140.46± 1.14-0.07± 0.87-0.07± 0.87-0.530.4σ
ZB: S. Tropics-0.13± 0.98-0.09± 0.960.85± 1.000.85± 1.00+0.930.7σ
ZB: S. Midlatitudes-1.43± 0.75-1.36± 0.74-1.83± 0.90-1.83± 0.90-0.470.4σ
ZB: Antarctic-0.01± 0.15-0.01± 0.15-0.02± 0.24-0.02± 0.24-0.010.1σ
ZB: [90S-45S]-0.30± 0.43-0.27± 0.42-0.47± 0.64-0.47± 0.64-0.200.3σ
ZB: [45S-Equator]-1.27± 1.14-1.18± 1.11-0.53± 1.17-0.53± 1.17+0.650.4σ
ZB: [Equator-45N]-1.00± 1.42-1.01± 1.41-1.31± 1.17-1.31± 1.17-0.310.2σ
ZB: [45N-90N]-1.83± 1.27-1.76± 1.20-1.73± 1.17-1.73± 1.17+0.030.0σ
Special regions (4)
Nino3.40.05± 0.190.05± 0.180.07± 0.250.07± 0.25+0.020.1σ
Amazonia-0.17± 0.64-0.19± 0.630.16± 0.570.16± 0.57+0.350.4σ
East Asia-0.43± 0.73-0.46± 0.72-0.15± 0.50-0.15± 0.50+0.310.4σ
South Asia-0.25± 0.62-0.27± 0.61-0.01± 0.33-0.01± 0.33+0.260.4σ
Not optimized (1)
Not optimized0.00± 0.040.00± 0.040.00± 0.060.00± 0.060.000.0σ
Other regions (3)
Africa0.78± 1.230.86± 1.230.18± 0.660.18± 0.66-0.690.5σ
South America-0.74± 0.89-0.78± 0.870.21± 0.800.21± 0.80+0.990.8σ
ZB: Tropics0.30± 1.310.38± 1.300.78± 1.160.78± 1.16+0.400.2σ

Region name → per-region flux time series. σ sep = |Δ| ÷ √(σ1222) — the separation between the two runs in combined standard deviations, treating each run's 1σ ensemble spread as independent (fossil & fire carry no spread, so it is undefined). Bold when ≥ 1σ.