Table 34.  Average Annual Global Carbon Dioxide Budget, 
1980-1989 and 1989-1998
(Billion Metric Tons Carbon Equivalent)

Component

1980-1989

1989-1998a

(1) Emissions from Fossil Fuel Combustion and Industrial Processes

5.5±0.5

6.3±0.6

(2) Storage in the Atmosphere

3.3±0.2

3.3±0.2

(3) Ocean Uptake

2.0±0.8

2.3±0.8

(4) Net Terrestrial Uptake [(1) – (2) + (3)]

0.2±1.0

0.7±1.0

(5) Emissions From Land-Use Change

1.7±0.8

 1.6±0.8b

(6) Residual Terrestrial Uptake [(4) + (5)]

1.9±1.3

2.3±1.3

aNote that there is a 1-year overlap (1989) between the two decadal time periods.
bRepresents average annual emissions for 1989-1995, for which data are available.
Source: Intergovernmental Panel on Climate Change, Summary for Policymakers: Land Use, Land-Use Change, and Forestry (Cambridge, UK: Cambridge University Press, May 2000), web site www.ipcc.ch/pub/srlulucf-e.pdf.

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File last modified: October 31, 2000

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