CarbonTracker 2009 - ESRL Global Monitoring Division

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Version Comparison (CT2009)

How do flux estimates from CarbonTracker 2009 compare with previous releases?

The tables below summarize the estimated surface fluxes for combined natural sources and fossil fuel burning from the current CarbonTracker release (CT2009) and the previous releases (CT2008 and CT2007B). The uncertainty in the estimates is the one standard deviation from the filter estimate. Units are PgC yr-1 (1015 gC yr-1, or billion metric ton C yr-1, or 3.7 billion metric ton CO2 yr-1). Note that 2000 is excluded from long-term means as we consider it a "spin-up" year for our analysis.

Natural flux
Fossil fuel flux

Natural flux
Fossil fuel flux

Natural flux
Fossil fuel flux

Table 1: Long-term mean natural flux (biosphere + ocean + fire) from CT2009 compared to CT2008, 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.

	2001-2008	2001-2007
Transcom region	CT2009	CT2009	CT2008
North American Boreal	-0.11 ± 0.36	-0.10 ± 0.36	-0.12 ± 0.37
North American Temperate	-0.49 ± 0.41	-0.49 ± 0.43	-0.60 ± 0.44
South American Tropical	0.15 ± 0.68	0.20 ± 0.67	0.17 ± 0.67
South American Temperate	-0.03 ± 0.78	-0.04 ± 0.78	-0.04 ± 0.78
Northern Africa	0.03 ± 0.50	0.03 ± 0.50	0.02 ± 0.50
Southern Africa	0.12 ± 0.63	0.16 ± 0.61	0.17 ± 0.62
Eurasia Boreal	-0.80 ± 1.16	-0.78 ± 1.15	-0.82 ± 1.17
Eurasia Temperate	-0.35 ± 0.55	-0.35 ± 0.55	-0.35 ± 0.54
Tropical Asia	0.16 ± 0.20	0.19 ± 0.21	0.19 ± 0.21
Australia	-0.09 ± 0.32	-0.08 ± 0.31	-0.06 ± 0.31
Europe	-0.25 ± 0.76	-0.24 ± 0.75	-0.25 ± 0.73
North Pacific Temperate	-0.41 ± 0.39	-0.41 ± 0.39	-0.42 ± 0.39
West Pacific Tropical	0.02 ± 0.02	0.02 ± 0.02	0.02 ± 0.02
East Pacific Tropical	0.40 ± 0.23	0.41 ± 0.23	0.41 ± 0.23
South Pacific Temperate	-0.56 ± 0.46	-0.52 ± 0.46	-0.54 ± 0.46
Northern Ocean	-0.29 ± 0.20	-0.28 ± 0.19	-0.28 ± 0.19
North Atlantic Temperate	-0.37 ± 0.42	-0.36 ± 0.41	-0.38 ± 0.41
Atlantic Tropical	0.19 ± 0.16	0.19 ± 0.16	0.19 ± 0.16
South Atlantic Temperate	-0.14 ± 0.25	-0.14 ± 0.25	-0.13 ± 0.25
Southern Ocean	-0.19 ± 0.32	-0.18 ± 0.31	-0.18 ± 0.31
Indian Tropical	0.16 ± 0.13	0.16 ± 0.13	0.16 ± 0.13
South Indian Temperate	-0.68 ± 0.24	-0.67 ± 0.24	-0.67 ± 0.24
Not optimized	-0.00 ± 0.00	-0.00 ± 0.00	-0.00 ± 0.00
	2001-2008	2001-2007
Aggregated Transcom region	CT2009	CT2009	CT2008
Northern Land	-2.00 ± 1.63	-1.96 ± 1.63	-2.14 ± 1.63
Northern Oceans	-1.07 ± 0.62	-1.04 ± 0.62	-1.08 ± 0.62
Northern	-3.08 ± 2.24	-3.00 ± 2.23	-3.23 ± 2.24
Tropical Land	0.35 ± 0.86	0.41 ± 0.86	0.39 ± 0.86
Tropical Ocean	0.76 ± 0.36	0.77 ± 0.36	0.78 ± 0.36
Tropical	1.11 ± 1.20	1.19 ± 1.20	1.16 ± 1.20
Southern Land	-0.00 ± 1.05	0.04 ± 1.04	0.06 ± 1.04
Ocean in South	-1.57 ± 0.66	-1.52 ± 0.65	-1.51 ± 0.66
Southern	-1.57 ± 1.70	-1.48 ± 1.69	-1.45 ± 1.69
Americas	-0.47 ± 1.17	-0.43 ± 1.17	-0.58 ± 1.17
Atlantic and Arctic	-0.61 ± 0.59	-0.58 ± 0.59	-0.60 ± 0.59
Eurasia and Africa	-0.10 ± 1.11	-0.06 ± 1.10	-0.06 ± 1.08
Indian Ocean	-0.53 ± 0.27	-0.52 ± 0.27	-0.51 ± 0.27
Asia	-1.08 ± 1.35	-1.02 ± 1.34	-1.05 ± 1.36
Pacific Ocean	-0.56 ± 0.62	-0.50 ± 0.62	-0.53 ± 0.62
All Land	-1.65 ± 2.12	-1.51 ± 2.11	-1.70 ± 2.12
All Ocean	-1.89 ± 1.12	-1.78 ± 1.11	-1.82 ± 1.11
Global	-3.54 ± 3.21	-3.29 ± 3.19	-3.52 ± 3.20
North America	-0.59 ± 0.54	-0.59 ± 0.56	-0.72 ± 0.57
Extratropical Eurasia	-1.41 ± 1.53	-1.37 ± 1.52	-1.43 ± 1.52
Temperate Northern Ocean	-0.79 ± 0.60	-0.77 ± 0.60	-0.80 ± 0.60
Temperate Southern Ocean	-1.38 ± 0.63	-1.33 ± 0.63	-1.34 ± 0.63
Tropical and Southern Land	0.35 ± 1.35	0.45 ± 1.35	0.45 ± 1.35
Tropical Pacific	0.42 ± 0.24	0.43 ± 0.24	0.43 ± 0.24
Temperate Oceans	-2.17 ± 0.82	-2.10 ± 0.82	-2.14 ± 0.82
High Latitude Oceans	-0.47 ± 0.36	-0.46 ± 0.35	-0.46 ± 0.35
Extratropical Oceans	-2.64 ± 0.97	-2.56 ± 0.96	-2.60 ± 0.96
Tropical and Southern Oceans	-0.81 ± 0.87	-0.74 ± 0.86	-0.74 ± 0.86
Northern Boreal Land	-0.91 ± 1.22	-0.88 ± 1.21	-0.94 ± 1.23
Northern Temperate Land	-1.09 ± 1.04	-1.08 ± 1.05	-1.20 ± 1.03
Tropical land minus northern land	2.35 ± 1.85	2.37 ± 1.85	2.53 ± 1.85
High North Ocean and Boreal Land	-1.20 ± 1.41	-1.15 ± 1.39	-1.23 ± 1.41
Northern Temperate Land and Ocean	-1.88 ± 1.63	-1.84 ± 1.63	-2.00 ± 1.61
Southern Temperate Land and Ocean	-1.38 ± 1.67	-1.29 ± 1.66	-1.27 ± 1.67
Tropical and Southern Land and Ocean	-0.46 ± 2.20	-0.29 ± 2.19	-0.29 ± 2.19

Table 2: Long-term mean fossil fuel emissions used in CT2009 compared to CT2008, including average fluxes computed over common time periods. Units are PgC yr-1. North American Boreal North American Temperate South American Tropical South American Temperate Northern Africa Southern Africa Eurasia Boreal Eurasia Temperate Tropical Asia Australia Europe North Pacific Temperate West Pacific Tropical East Pacific Tropical South Pacific Temperate Northern Ocean North Atlantic Temperate Atlantic Tropical South Atlantic Temperate Southern Ocean Indian Tropical South Indian Temperate Not optimized Northern Land Northern Oceans Northern Tropical Land Tropical Ocean Tropical Southern Land Ocean in South Southern Americas Atlantic and Arctic Eurasia and Africa Indian Ocean Asia Pacific Ocean All Land All Ocean Global North America Extratropical Eurasia Temperate Northern Ocean Temperate Southern Ocean Tropical and Southern Land Tropical Pacific Temperate Oceans High Latitude Oceans Extratropical Oceans Tropical and Southern Oceans Northern Boreal Land Northern Temperate Land Tropical land minus northern land High North Ocean and Boreal Land Northern Temperate Land and Ocean Southern Temperate Land and Ocean Tropical and Southern Land and Ocean

	2001-2008	2001-2007
Transcom region	CT2009	CT2009	CT2008
0.01	0.01	0.01
1.84	1.84	1.97
0.10	0.10	0.11
0.16	0.16	0.15
0.16	0.16	0.18
0.13	0.13	0.13
0.17	0.17	0.10
2.73	2.63	2.64
0.55	0.53	0.51
0.10	0.10	0.10
1.58	1.57	1.64
0.11	0.11	0.14
0.00	0.00	0.00
0.00	0.00	0.00
0.00	0.00	0.00
0.01	0.01	0.02
0.03	0.03	0.03
0.03	0.03	0.03
0.00	0.00	0.00
0.00	0.00	0.00
0.02	0.02	0.04
0.00	0.00	0.01
0.00	0.00	0.00
	2001-2008	2001-2007
Aggregated Transcom region	CT2009	CT2009	CT2008
6.34	6.24	6.36
0.15	0.15	0.19
6.49	6.39	6.55
0.81	0.79	0.81
0.06	0.06	0.07
0.87	0.85	0.88
0.39	0.39	0.38
0.01	0.01	0.01
0.40	0.40	0.39
2.12	2.11	2.24
0.07	0.07	0.09
1.86	1.86	1.95
0.03	0.03	0.04
3.56	3.44	3.35
0.12	0.12	0.15
7.54	7.41	7.55
0.22	0.22	0.28
7.76	7.63	7.83
1.86	1.86	1.98
4.48	4.38	4.38
0.14	0.14	0.17
0.01	0.01	0.01
1.21	1.18	1.19
0.00	0.00	0.01
0.15	0.15	0.18
0.01	0.01	0.02
0.16	0.16	0.20
0.07	0.07	0.09
0.19	0.19	0.12
6.15	6.05	6.24
-5.53	-5.45	-5.55
0.20	0.19	0.14
6.29	6.19	6.41
0.40	0.40	0.39
1.28	1.25	1.28

Table 3: Long-term mean natural flux (biosphere + ocean + fire) from CT2009 compared to CT2007B, 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. North American Boreal North American Temperate South American Tropical South American Temperate Northern Africa Southern Africa Eurasia Boreal Eurasia Temperate Tropical Asia Australia Europe North Pacific Temperate West Pacific Tropical East Pacific Tropical South Pacific Temperate Northern Ocean North Atlantic Temperate Atlantic Tropical South Atlantic Temperate Southern Ocean Indian Tropical South Indian Temperate Not optimized Northern Land Northern Oceans Northern Tropical Land Tropical Ocean Tropical Southern Land Ocean in South Southern Americas Atlantic and Arctic Eurasia and Africa Indian Ocean Asia Pacific Ocean All Land All Ocean Global North America Extratropical Eurasia Temperate Northern Ocean Temperate Southern Ocean Tropical and Southern Land Tropical Pacific Temperate Oceans High Latitude Oceans Extratropical Oceans Tropical and Southern Oceans Northern Boreal Land Northern Temperate Land Tropical land minus northern land High North Ocean and Boreal Land Northern Temperate Land and Ocean Southern Temperate Land and Ocean Tropical and Southern Land and Ocean

	2001-2008	2001-2006
Transcom region	CT2009	CT2009	CT2007B
-0.11 ± 0.36	-0.09 ± 0.37	-0.14 ± 0.37
-0.49 ± 0.41	-0.47 ± 0.44	-0.54 ± 0.52
0.15 ± 0.68	0.16 ± 0.67	0.08 ± 0.68
-0.03 ± 0.78	-0.05 ± 0.78	-0.03 ± 0.77
0.03 ± 0.50	0.01 ± 0.51	0.03 ± 0.50
0.12 ± 0.63	0.18 ± 0.60	0.21 ± 0.59
-0.80 ± 1.16	-0.76 ± 1.16	-0.64 ± 1.10
-0.35 ± 0.55	-0.33 ± 0.55	-0.32 ± 0.54
0.16 ± 0.20	0.19 ± 0.21	0.20 ± 0.20
-0.09 ± 0.32	-0.10 ± 0.32	-0.10 ± 0.31
-0.25 ± 0.76	-0.22 ± 0.76	-0.30 ± 0.79
-0.41 ± 0.39	-0.41 ± 0.39	-0.39 ± 0.39
0.02 ± 0.02	0.02 ± 0.02	0.02 ± 0.03
0.40 ± 0.23	0.41 ± 0.22	0.38 ± 0.23
-0.56 ± 0.46	-0.50 ± 0.46	-0.49 ± 0.46
-0.29 ± 0.20	-0.27 ± 0.19	-0.27 ± 0.22
-0.37 ± 0.42	-0.35 ± 0.41	-0.40 ± 0.40
0.19 ± 0.16	0.19 ± 0.16	0.19 ± 0.16
-0.14 ± 0.25	-0.14 ± 0.24	-0.14 ± 0.23
-0.19 ± 0.32	-0.17 ± 0.30	-0.22 ± 0.33
0.16 ± 0.13	0.16 ± 0.14	0.16 ± 0.15
-0.68 ± 0.24	-0.67 ± 0.24	-0.64 ± 0.25
-0.00 ± 0.00	-0.00 ± 0.00	-0.00 ± 0.00
	2001-2008	2001-2006
Aggregated Transcom region	CT2009	CT2009	CT2007B
-2.00 ± 1.63	-1.87 ± 1.65	-1.94 ± 1.64
-1.07 ± 0.62	-1.03 ± 0.62	-1.05 ± 0.62
-3.08 ± 2.24	-2.90 ± 2.25	-3.00 ± 2.22
0.35 ± 0.86	0.36 ± 0.86	0.30 ± 0.87
0.76 ± 0.36	0.78 ± 0.36	0.74 ± 0.38
1.11 ± 1.20	1.14 ± 1.20	1.05 ± 1.21
-0.00 ± 1.05	0.04 ± 1.04	0.08 ± 1.01
-1.57 ± 0.66	-1.48 ± 0.65	-1.49 ± 0.68
-1.57 ± 1.70	-1.44 ± 1.69	-1.41 ± 1.68
-0.47 ± 1.17	-0.45 ± 1.18	-0.63 ± 1.21
-0.61 ± 0.59	-0.56 ± 0.59	-0.62 ± 0.58
-0.10 ± 1.11	-0.02 ± 1.10	-0.06 ± 1.11
-0.53 ± 0.27	-0.51 ± 0.27	-0.48 ± 0.29
-1.08 ± 1.35	-1.00 ± 1.36	-0.87 ± 1.30
-0.56 ± 0.62	-0.48 ± 0.62	-0.48 ± 0.64
-1.65 ± 2.12	-1.47 ± 2.12	-1.56 ± 2.11
-1.89 ± 1.12	-1.72 ± 1.11	-1.80 ± 1.14
-3.54 ± 3.21	-3.20 ± 3.20	-3.36 ± 3.19
-0.59 ± 0.54	-0.56 ± 0.58	-0.68 ± 0.64
-1.41 ± 1.53	-1.31 ± 1.53	-1.26 ± 1.50
-0.79 ± 0.60	-0.76 ± 0.60	-0.78 ± 0.58
-1.38 ± 0.63	-1.30 ± 0.63	-1.27 ± 0.65
0.35 ± 1.35	0.40 ± 1.34	0.38 ± 1.33
0.42 ± 0.24	0.43 ± 0.23	0.40 ± 0.25
-2.17 ± 0.82	-2.06 ± 0.82	-2.05 ± 0.82
-0.47 ± 0.36	-0.44 ± 0.34	-0.50 ± 0.38
-2.64 ± 0.97	-2.51 ± 0.96	-2.55 ± 0.97
-0.81 ± 0.87	-0.70 ± 0.86	-0.75 ± 0.90
-0.91 ± 1.22	-0.85 ± 1.22	-0.78 ± 1.17
-1.09 ± 1.04	-1.02 ± 1.06	-1.16 ± 1.11
2.35 ± 1.85	2.23 ± 1.86	2.25 ± 1.86
-1.20 ± 1.41	-1.12 ± 1.40	-1.05 ± 1.35
-1.88 ± 1.63	-1.78 ± 1.65	-1.94 ± 1.66
-1.38 ± 1.67	-1.27 ± 1.66	-1.19 ± 1.65
-0.46 ± 2.20	-0.30 ± 2.18	-0.37 ± 2.20

Table 4: Long-term mean fossil fuel emissions used in CT2009 compared to CT2007B, including average fluxes computed over common time periods. Units are PgC yr-1. North American Boreal North American Temperate South American Tropical South American Temperate Northern Africa Southern Africa Eurasia Boreal Eurasia Temperate Tropical Asia Australia Europe North Pacific Temperate West Pacific Tropical East Pacific Tropical South Pacific Temperate Northern Ocean North Atlantic Temperate Atlantic Tropical South Atlantic Temperate Southern Ocean Indian Tropical South Indian Temperate Not optimized Northern Land Northern Oceans Northern Tropical Land Tropical Ocean Tropical Southern Land Ocean in South Southern Americas Atlantic and Arctic Eurasia and Africa Indian Ocean Asia Pacific Ocean All Land All Ocean Global North America Extratropical Eurasia Temperate Northern Ocean Temperate Southern Ocean Tropical and Southern Land Tropical Pacific Temperate Oceans High Latitude Oceans Extratropical Oceans Tropical and Southern Oceans Northern Boreal Land Northern Temperate Land Tropical land minus northern land High North Ocean and Boreal Land Northern Temperate Land and Ocean Southern Temperate Land and Ocean Tropical and Southern Land and Ocean

	2001-2008	2001-2006
Transcom region	CT2009	CT2009	CT2007B
0.01	0.01	0.01
1.84	1.83	1.91
0.10	0.10	0.12
0.16	0.15	0.14
0.16	0.15	0.17
0.13	0.13	0.12
0.17	0.17	0.10
2.73	2.54	2.53
0.55	0.52	0.47
0.10	0.10	0.09
1.58	1.57	1.63
0.11	0.11	0.17
0.00	0.00	0.00
0.00	0.00	0.00
0.00	0.00	0.01
0.01	0.01	0.03
0.03	0.03	0.05
0.03	0.03	0.03
0.00	0.00	0.01
0.00	0.00	0.00
0.02	0.02	0.08
0.00	0.00	0.02
0.00	0.00	0.00
	2001-2008	2001-2006
Aggregated Transcom region	CT2009	CT2009	CT2007B
6.34	6.13	6.18
0.15	0.15	0.26
6.49	6.27	6.44
0.81	0.77	0.75
0.06	0.06	0.12
0.87	0.83	0.88
0.39	0.38	0.35
0.01	0.01	0.03
0.40	0.39	0.38
2.12	2.10	2.18
0.07	0.07	0.12
1.86	1.85	1.92
0.03	0.03	0.10
3.56	3.33	3.18
0.12	0.12	0.19
7.54	7.27	7.29
0.22	0.22	0.41
7.76	7.49	7.70
1.86	1.85	1.92
4.48	4.28	4.26
0.14	0.14	0.23
0.01	0.01	0.03
1.21	1.15	1.11
0.00	0.00	0.01
0.15	0.15	0.26
0.01	0.01	0.03
0.16	0.15	0.29
0.07	0.07	0.16
0.19	0.18	0.12
6.15	5.94	6.07
-5.53	-5.36	-5.43
0.20	0.19	0.14
6.29	6.08	6.29
0.40	0.39	0.38
1.28	1.22	1.26

Table 5: Long-term mean natural flux (biosphere + ocean + fire) from CT2008 compared to CT2007B, 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. North American Boreal North American Temperate South American Tropical South American Temperate Northern Africa Southern Africa Eurasia Boreal Eurasia Temperate Tropical Asia Australia Europe North Pacific Temperate West Pacific Tropical East Pacific Tropical South Pacific Temperate Northern Ocean North Atlantic Temperate Atlantic Tropical South Atlantic Temperate Southern Ocean Indian Tropical South Indian Temperate Not optimized Northern Land Northern Oceans Northern Tropical Land Tropical Ocean Tropical Southern Land Ocean in South Southern Americas Atlantic and Arctic Eurasia and Africa Indian Ocean Asia Pacific Ocean All Land All Ocean Global North America Extratropical Eurasia Temperate Northern Ocean Temperate Southern Ocean Tropical and Southern Land Tropical Pacific Temperate Oceans High Latitude Oceans Extratropical Oceans Tropical and Southern Oceans Northern Boreal Land Northern Temperate Land Tropical land minus northern land High North Ocean and Boreal Land Northern Temperate Land and Ocean Southern Temperate Land and Ocean Tropical and Southern Land and Ocean

	2001-2007	2001-2006
Transcom region	CT2008	CT2008	CT2007B
-0.12 ± 0.37	-0.10 ± 0.37	-0.14 ± 0.37
-0.60 ± 0.44	-0.59 ± 0.44	-0.54 ± 0.52
0.17 ± 0.67	0.14 ± 0.67	0.08 ± 0.68
-0.04 ± 0.78	-0.05 ± 0.78	-0.03 ± 0.77
0.02 ± 0.50	0.01 ± 0.51	0.03 ± 0.50
0.17 ± 0.62	0.19 ± 0.61	0.21 ± 0.59
-0.82 ± 1.17	-0.81 ± 1.18	-0.64 ± 1.10
-0.35 ± 0.54	-0.32 ± 0.54	-0.32 ± 0.54
0.19 ± 0.21	0.19 ± 0.21	0.20 ± 0.20
-0.06 ± 0.31	-0.08 ± 0.31	-0.10 ± 0.31
-0.25 ± 0.73	-0.24 ± 0.74	-0.30 ± 0.79
-0.42 ± 0.39	-0.43 ± 0.39	-0.39 ± 0.39
0.02 ± 0.02	0.02 ± 0.02	0.02 ± 0.03
0.41 ± 0.23	0.42 ± 0.23	0.38 ± 0.23
-0.54 ± 0.46	-0.52 ± 0.46	-0.49 ± 0.46
-0.28 ± 0.19	-0.28 ± 0.19	-0.27 ± 0.22
-0.38 ± 0.41	-0.36 ± 0.41	-0.40 ± 0.40
0.19 ± 0.16	0.19 ± 0.16	0.19 ± 0.16
-0.13 ± 0.25	-0.13 ± 0.24	-0.14 ± 0.23
-0.18 ± 0.31	-0.17 ± 0.30	-0.22 ± 0.33
0.16 ± 0.13	0.16 ± 0.14	0.16 ± 0.15
-0.67 ± 0.24	-0.67 ± 0.24	-0.64 ± 0.25
-0.00 ± 0.00	-0.00 ± 0.00	-0.00 ± 0.00
	2001-2007	2001-2006
Aggregated Transcom region	CT2008	CT2008	CT2007B
-2.14 ± 1.63	-2.06 ± 1.65	-1.94 ± 1.64
-1.08 ± 0.62	-1.06 ± 0.62	-1.05 ± 0.62
-3.23 ± 2.24	-3.13 ± 2.25	-3.00 ± 2.22
0.39 ± 0.86	0.34 ± 0.86	0.30 ± 0.87
0.78 ± 0.36	0.79 ± 0.36	0.74 ± 0.38
1.16 ± 1.20	1.12 ± 1.20	1.05 ± 1.21
0.06 ± 1.04	0.06 ± 1.04	0.08 ± 1.01
-1.51 ± 0.66	-1.49 ± 0.66	-1.49 ± 0.68
-1.45 ± 1.69	-1.43 ± 1.69	-1.41 ± 1.68
-0.58 ± 1.17	-0.60 ± 1.18	-0.63 ± 1.21
-0.60 ± 0.59	-0.58 ± 0.58	-0.62 ± 0.58
-0.06 ± 1.08	-0.04 ± 1.08	-0.06 ± 1.11
-0.51 ± 0.27	-0.51 ± 0.27	-0.48 ± 0.29
-1.05 ± 1.36	-1.02 ± 1.37	-0.87 ± 1.30
-0.53 ± 0.62	-0.51 ± 0.62	-0.48 ± 0.64
-1.70 ± 2.12	-1.66 ± 2.12	-1.56 ± 2.11
-1.82 ± 1.11	-1.76 ± 1.10	-1.80 ± 1.14
-3.52 ± 3.20	-3.43 ± 3.20	-3.36 ± 3.19
-0.72 ± 0.57	-0.69 ± 0.58	-0.68 ± 0.64
-1.43 ± 1.52	-1.37 ± 1.54	-1.26 ± 1.50
-0.80 ± 0.60	-0.79 ± 0.60	-0.78 ± 0.58
-1.34 ± 0.63	-1.32 ± 0.63	-1.27 ± 0.65
0.45 ± 1.35	0.40 ± 1.35	0.38 ± 1.33
0.43 ± 0.24	0.44 ± 0.23	0.40 ± 0.25
-2.14 ± 0.82	-2.11 ± 0.82	-2.05 ± 0.82
-0.46 ± 0.35	-0.44 ± 0.34	-0.50 ± 0.38
-2.60 ± 0.96	-2.55 ± 0.95	-2.55 ± 0.97
-0.74 ± 0.86	-0.70 ± 0.86	-0.75 ± 0.90
-0.94 ± 1.23	-0.91 ± 1.24	-0.78 ± 1.17
-1.20 ± 1.03	-1.15 ± 1.04	-1.16 ± 1.11
2.53 ± 1.85	2.40 ± 1.87	2.25 ± 1.86
-1.23 ± 1.41	-1.19 ± 1.42	-1.05 ± 1.35
-2.00 ± 1.61	-1.94 ± 1.62	-1.94 ± 1.66
-1.27 ± 1.67	-1.26 ± 1.66	-1.19 ± 1.65
-0.29 ± 2.19	-0.30 ± 2.19	-0.37 ± 2.20

Table 6: Long-term mean fossil fuel emissions used in CT2008 compared to CT2007B, including average fluxes computed over common time periods. Units are PgC yr-1. North American Boreal North American Temperate South American Tropical South American Temperate Northern Africa Southern Africa Eurasia Boreal Eurasia Temperate Tropical Asia Australia Europe North Pacific Temperate West Pacific Tropical East Pacific Tropical South Pacific Temperate Northern Ocean North Atlantic Temperate Atlantic Tropical South Atlantic Temperate Southern Ocean Indian Tropical South Indian Temperate Not optimized Northern Land Northern Oceans Northern Tropical Land Tropical Ocean Tropical Southern Land Ocean in South Southern Americas Atlantic and Arctic Eurasia and Africa Indian Ocean Asia Pacific Ocean All Land All Ocean Global North America Extratropical Eurasia Temperate Northern Ocean Temperate Southern Ocean Tropical and Southern Land Tropical Pacific Temperate Oceans High Latitude Oceans Extratropical Oceans Tropical and Southern Oceans Northern Boreal Land Northern Temperate Land Tropical land minus northern land High North Ocean and Boreal Land Northern Temperate Land and Ocean Southern Temperate Land and Ocean Tropical and Southern Land and Ocean

	2001-2007	2001-2006
Transcom region	CT2008	CT2008	CT2007B
0.01	0.01	0.01
1.97	1.96	1.91
0.11	0.11	0.12
0.15	0.15	0.14
0.18	0.18	0.17
0.13	0.13	0.12
0.10	0.10	0.10
2.64	2.55	2.53
0.51	0.50	0.47
0.10	0.10	0.09
1.64	1.63	1.63
0.14	0.13	0.17
0.00	0.00	0.00
0.00	0.00	0.00
0.00	0.00	0.01
0.02	0.02	0.03
0.03	0.03	0.05
0.03	0.03	0.03
0.00	0.00	0.01
0.00	0.00	0.00
0.04	0.04	0.08
0.01	0.01	0.02
0.00	0.00	0.00
	2001-2007	2001-2006
Aggregated Transcom region	CT2008	CT2008	CT2007B
6.36	6.25	6.18
0.19	0.19	0.26
6.55	6.44	6.44
0.81	0.79	0.75
0.07	0.07	0.12
0.88	0.86	0.88
0.38	0.38	0.35
0.01	0.01	0.03
0.39	0.39	0.38
2.24	2.23	2.18
0.09	0.09	0.12
1.95	1.94	1.92
0.04	0.04	0.10
3.35	3.25	3.18
0.15	0.14	0.19
7.55	7.42	7.29
0.28	0.27	0.41
7.83	7.69	7.70
1.98	1.97	1.92
4.38	4.28	4.26
0.17	0.17	0.23
0.01	0.01	0.03
1.19	1.17	1.11
0.01	0.01	0.01
0.18	0.18	0.26
0.02	0.02	0.03
0.20	0.20	0.29
0.09	0.08	0.16
0.12	0.11	0.12
6.24	6.14	6.07
-5.55	-5.46	-5.43
0.14	0.14	0.14
6.41	6.31	6.29
0.39	0.39	0.38
1.28	1.25	1.26