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Region
North America
Global
NPOL
Asia
South America
Europe
Africa
Australia
Type
Total
Microbial
Fossil
Pyrogenic
Averaging
longterm
annual
monthly
Gridded Emissions.
(Left) Estimated CH
4
emissions at 3°x2° degree spatial resolution for the selected source category, region and period. Units are TgCH
4
/yr. (Right) Fractional difference from prior emission estimates, defined as the difference between the posterior and prior estimates divided by the prior estimate for each grid cell.
Region
Prior Fossil Fuel Emission
Posterior Fossil Fuel Emission
Prior Microbial Emission
Posterior Microbial Emission
Prior Pyrogenic Emission
Posterior Pyrogenic Emission
Prior Total Emission
Posterior Total Emission
North America
20.45 ± 1.25
28.07 ± 0.8
59.91 ± 2.14
55.72 ± 0.88
1.57 ± 0.11
1.38 ± 0.07
81.94 ± 2.55
85.17 ± 0.88
North American Boreal
2.88 ± 0.14
3.73 ± 0.11
19.14 ± 1.11
12.27 ± 0.29
0.98 ± 0.1
0.79 ± 0.06
23 ± 1.15
16.79 ± 0.31
North American Temperate
17.84 ± 1.22
24.71 ± 0.78
43.18 ± 1.57
44.98 ± 0.85
0.63 ± 0.02
0.62 ± 0.02
61.65 ± 2.03
70.32 ± 0.86
Tabulated Results.
Regional total Emissions in TgCH
4
/yr for the selected region and period. "Prior" and "Posterior" refer to estimated emissions before and after assimilation of atmospheric observations. The estimated uncertainties are 1-σ confidence intervals. The columns labeled "Prior Total" and "Posterior Total" show the sums of the individual source categories.