Research Article

Empirical Study of Decomposition of Emission Factors in China

Table 5

Decomposition results of industrial sector CO2 emissions change (1981–2010).

YearEconomy factorStructure factorEfficiency factorEmission factorCalculated (Mt)Actual (Mt)Inaccuracy (%)
GF (Mt)SF (Mt)IF (Mt)DF (Mt)

1981 53.9−30.5−75.925.5−27.0−27.0
1982 92.4−30.7−28.721.854.854.8
1983 115.2−4.1−39.7−21.050.450.4
1984 171.9−6.6−85.368.7148.7148.7
1985 176.558.9−66.349.4218.5218.5
1986 133.220.6−60.030.1123.9123.9
1987 186.332.4−95.98.4131.2131.2
1988 195.952.7−122.67.7133.7133.7
1989 77.5−5.323.0−0.494.894.8
1990 75.6−13.3−24.2−13.124.924.9

1991 175.770.3−131.3−157.6−42.9−42.9
1992 271.899.3−242.6−5.4123.1123.1
1993 289.093.0−218.358.0221.7221.7
1994 293.090.9−234.0−31.7118.2118.2
1995 266.056.7−136.970.1255.9255.9
1996 264.744.6−191.940.6158.1158.1
1997 252.127.8−263.2−59.0−42.2−42.2
1998 214.725.0−235.863.867.867.8
1999 212.913.5−134.8−53.837.837.8
2000 239.324.3−157.0−30.476.176.1

2001 242.38.2−151.4−8.790.490.4
2002 276.319.8−111.17.6192.6192.6
2003 338.161.1104.539.3543.0543.0
2004 395.128.1196.2−14.0605.4605.4
2005 501.926.7−61.664.1531.2531.2
2006 620.527.1−171.616.1492.1492.1
2007 747.036.2−342.8−61.3379.1379.1
2008 543.911.5−327.0−61.3167.1167.1
2009 535.433.4−263.4−15.9289.6289.6
2010 714.045.2−353.359.3412.0412.0