5[1]Houghton J T, Ding Y, Grills D J, et al. Climate Chance 2001: The Scientific Basis. Cambridge Uni versity Press. 2001.
6[2]Grimmond C S B, King T S, Cropley F D, et al.Local-scale fluxes of carbon dioxide in urban environments:methodological challenges and resuits from Chicago. Environmental Pollution, 2002,116(S): 243.
7[3]Schimel D S, et al. CO2 and carbon cycle. In:Climate Change 1994:Radiative Forcing of Climate Change( IPCC ). Cambridge University Press.1995. 35~71.
8[4]Jo H K. Impacts of urban green space on offsetting carbon emissions for middle Korea. Journal of Environmental Management, 2002, 64:117.
9[5]ORNL. Estimate of CO2 emission from fossil fuel burning and cement manufacturing. ORNL/CDIAC-25. Carbon Dioxide Information Analysis Center,Oak Ridge National Laboratory, Oak Ridge,Tennessee, USA, 1990.
10IPCC WGI. Third assessment report: summary for policymakers. http://www. rivm. nl/env/int/ipcc/
4IPCC Intergovemmental Panel of Climate Change.IPCC Working Group 1 Summary for Policymakers.Cambridge University Press,1995.
5U.S.Energy Information Administration.International Energy Annual 2005.http://www.eia.doe.gov/,2007.
6Dieta T,Rosa E A.Effects of population and affluence on CO2 emission.The National Academy of Sciences of the USA,1997,94:175-179.
7Shi A.The impact of population pressure on global carbon dioxide emissions,1975-1996:Evidence from pooled cross-country data.Ecological Economics,2003,44:29-42.
8York R,Rosa E A,Dieta T.STIRAT,IPAT and IMPACT:Analytic tools for unpacking the driving forces of environmental impacts.Ecological Economics,2003,46:351-365.
9Fan Ying,Liu Lancui.Analyzing impact factors of CO2 emissions using the STLRPAT model.Environmental Impact Assessment Review,2006,26:377-395.
10Ehrlich P R,Holden J P.Impact of population growth.Science,1971,(171):1212-1217.