kgC m-2 W2 0.0390 Meybeck (1993) yr-1 kgC m-2 W3 0.0567 Duan et al. (2008) yr-1 C, cultivated land; F1, forest; F2, shrub land; F3, open woodland; F4, other woodland; G1, high coverage grassland (vegetation cover more than 50%); G2, medium coverage grassland (vegetation cover between 20 and 50%); G3, low coverage grassland (vegetation cover between 5 and 20%); W1, rivers; W2, lakes and reservoirs; W3, intermittently flooded land. Supplemental Table S10. Carbon emission conversion coefficients and other accounting items.a Energy type Energy Accounting item type Washed coal 0.7559 Coal 0.7559 Gastrointestinal Other coking 0.6449 Coke 0.855 fermentation (kg yr-1 0 products head-1) oil 0.5857 Gasoline 0.5538 Excreta (kg yr-1 1.0 Other gas 0.3548 Kerosene 0.5714 head) Refinery gas 0.4602 Diesel 0.5921 Animal breathing (kg Coke oven gas 0.3548 Fuel oil 0.6185 yr-1 head-1) petroleum 0.5857 Natural gas 0.4483 Human breathing (kg 79.0 products yr-1 person-1) Liquefied 0.5042 petroleum gas a Carbon emission conversion coefficients for energy and for animal gastrointestinal fermentation and excreta were obtained from IPCC (2006). The animal breathing coefficients were obtained from Kuang et al. (2010) and the human respiratory coefficient was obtained from Fang et al. (1996b). Supplementary Table S11. Detailed data for Beijing's carbon metabolism density from 1990 to 2010. carbon metabolism density 1990 1995 2000 2005 2010 (×106 kgC km-2 yr-1) Urban land 4.14 1.84 1.77 2.43 5.58 Rural land 1.40 1.65 1.23 1.16 1.40 Transportation and industrial 45.85 48.81 32.34 56.04 53.16 land Paddy field 0.59 0.48 0.64 0.38 0.34 Dry cultivated land 0.02 0.04 0.03 0.03 0.028
W2 0.0390 kgC m-2 yr-1 Meybeck (1993) W3 0.0567 kgC m-2 yr-1 Duan et al. (2008) C, cultivated land; F1, forest; F2, shrub land; F3, open woodland; F4, other woodland; G1, high coverage grassland (vegetation cover more than 50%); G2, medium coverage grassland (vegetation cover between 20 and 50%); G3, low coverage grassland (vegetation cover between 5 and 20%); W1, rivers; W2, lakes and reservoirs; W3, intermittently flooded land. Supplemental Table S10. Carbon emission conversion coefficients and other accounting items.a Energy type Energy type Accounting item Washed coal 0.7559 Coal 0.7559 Gastrointestinal fermentation (kg yr-1 head-1) Other coking products 0.6449 Coke 0.855 oil 0.5857 Gasoline 0.5538 Excreta (kg yr-1 head) 1.0 Other gas 0.3548 Kerosene 0.5714 Refinery gas 0.4602 Diesel 0.5921 Animal breathing (kg yr-1 head-1) Coke oven gas 0.3548 Fuel oil 0.6185 petroleum products 0.5857 Natural gas 0.4483 Human breathing (kg yr-1 person-1) 79.0 Liquefied petroleum gas 0.5042 a Carbon emission conversion coefficients for energy and for animal gastrointestinal fermentation and excreta were obtained from IPCC (2006). The animal breathing coefficients were obtained from Kuang et al. (2010) and the human respiratory coefficient was obtained from Fang et al. (1996b). Supplementary Table S11. Detailed data for Beijing's carbon metabolism density from 1990 to 2010. carbon metabolism density (×106 kgC km-2 yr-1) 1990 1995 2000 2005 2010 Urban land 4.14 1.84 1.77 2.43 5.58 Rural land 1.40 1.65 1.23 1.16 1.40 Transportation and industrial land 48.81 32.34 56.04 53.16 45.85 Paddy field 0.59 0.48 0.64 0.38 0.34 Dry cultivated land 0.02 0.04 0.03 0.03 0.028 0