the human component of the global carbon cycle
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The Human Component of the Global Carbon Cycle. Global Greenhouse Gas Information System Workshop 15-16 October, 2008 California Institute of Technology Pasadena, California, USA Gregg Marland Environmental Sciences Division Oak Ridge National Laboratory and Tom Boden - PowerPoint PPT PresentationTRANSCRIPT
The Human Component of the Global Carbon Cycle
Global Greenhouse Gas Information System Workshop15-16 October, 2008
California Institute of TechnologyPasadena, California, USA
Gregg Marland Environmental Sciences Division Oak Ridge National Laboratory
and
Tom Boden Oak Ridge National Laboratory, USAKhrystyna Hamal Lviv Polytechnic National University, UkraineMatthias Jonas International Institute for Applied Systems Analysis, Austria
Anthropogenic C Emissions: Fossil Fuel
Updated fromRaupach et al. 2007, PNAS; Canadell et al 2007, PNAS
1990 - 1999: 0.9% y-1
2000 - 2007: 3.5% y-1
0
1
2
3
4
5
6
7
8
9
1850 1870 1890 1910 1930 1950 1970 1990 2010
Fo
ssil
Fu
el E
mis
sio
n (
GtC
/y) Emissions
280
300
320
340
360
380
400
1850 1870 1890 1910 1930 1950 1970 1990 2010
1850 1870 1890 1910 1930 1950 1970 1990 2010
2007 Fossil Fuel: 8.5 Pg C[Total Anthrop.Emis.:8.5+1.5 = 10.0 Pg]
atmospheric CO2
ocean
land
fossil fuel emissions
deforestation
7.6
1.5
4.1
2.22.8
2000-2006
CO2 f
lux
(Pg
C y-1
)Si
nkSo
urce
Time (y)
Perturbation of Global Carbon Budget (1850-2006)
Le Quéré, unpublished; Canadell et al. 2007, PNAS
CO2 Emissions from the United States
2004
0%
20%
40%
60%
80%
100%
Cumul Flux Growth Pop
D3D2IndiaChinaFSUD1JapanEUUSA
Cumulative fraction of total fossil-fuel emissions - 2005
number of country cumulativecountries fraction
1 USA .2062 China .4033 Russia .4594 India .5095 Japan .5526 Germany .5807 Canada .6018 UK .6219 Iran .63810 Mexico .65520 Ukraine .79350 Belarus .941100 Moldova .992211 1.000
Sources of US anthropogenic CO2 emissions - 2006
• Fossil fuel combustion 1537.5 Tg C• Non-energy use of fossil fuels 37.6• Iron and steel manufacture 13.4• Cement production 12.5• Gas flaring/venting/leakage 7.8• Other industrial processes 22.9
• Total 1631.7
From US EPA, 2008