The Human Component of the Global Carbon Cycle ASCENDS WORKSHOP 23-25 July, 2008 Ann Arbor, Michigan, USA Gregg Marland Environmental Sciences Division Oak Ridge National Laboratory and Tom Boden Oak Ridge National Laboratory, USA Khrystyna Hamal Lviv Polytechnic National University, Ukraine Matthias Jonas International Institute for Applied Systems Analysis, Austria
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The Human Component of the Global Carbon Cycle ASCENDS WORKSHOP 23-25 July, 2008 Ann Arbor, Michigan, USA Gregg Marland Environmental Sciences Division.
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The Human Component of the Global Carbon Cycle
ASCENDS WORKSHOP23-25 July, 2008
Ann Arbor, Michigan, 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
Raupach et al. 2007, PNAS; Canadell et al 2007, PNAS
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
Sectoral sources of CO2 from fossil fuel combustion – USA - 2006
• Electric power generation 41.3%• Transport 32.9%• Industry 14.5%• Residential 5.8%• Commercial 3.7%• Agriculture 0.8%• US territories 1.0%
Carbon released directly by the US human population in 2000. Enhanced area represents carbon released in the metropolitan area of Chicago.
020406080
100120140160
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bon
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sion
s (T
g)
Coal Oil Gas Total
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Em
issi
ons
(mg/
pers
on-m
onth
)
Coal Oil Gas Total
U.S. Fossil-fuel Carbon Emissions by Month
TOTAL
PER CAPITA
From T.J. Blasing
Monthly Average Carbon Emissions for Recent and Early Years
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100
110
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130
140
150
Em
issio
ns (
Tg
-C)
_______________________________
↨
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↨10 Tg
19 Tg1981-1985
2000-2004
Monthly 5-year Average Fossil-fuel Carbon Emissions for the U.S.
From T.J. Blasing
Signal Analysis Under the Kyoto Protocol
Jonas and Nilsson (2009: Tab. 1)
Signal Analysis Under the Kyoto Protocol
~ Risk
Undershooting U
CommittedLevel
Base YearLevel
x1
Timet1
Emissions
t2
x2
Jonas and Nilsson (2007: Fig. 11); modified
CO2 Emissions from Austria
58 0
00,0
63 0
00,0
68 0
00,0
73 0
00,0
78 0
00,0
1990 1992 1994 1996 1998 2000 2002 2004
Year
Em
issio
ns (
Gg
)
2000
2001
2002
2003
2005
Austrian CO2 emissions initial estimates and recalculations of historic emissions in 2000, 2001, 2002, 2003 and 2005. Data from: Austrian National Inventory Reports (2002-2007).
3150
3250
3350
3450
1988 1990 1992 1994 1996 1998 2000 2002 2004 2006
Em
iss
ion
s (
Tg
)
Initial emissions estimates
The most recent emissionestimates
CO2 emissions without LULUCF estimates.
Data from: European Community National Inventory Reports.