Table 3.
Estimations of historical and current emissions from inventory models, 1990–2005.
| Year | Inventory | Civil fuel (Tg yr−1) | Military fuel (Tg yr−1) | Total fuel (Tg yr−1) | Total CO2 (Tg yr−1) | Distance (civil, 109 km) | NOx (Tg NO2 yr−1) | EINOx (g NOx/kg fuel) |
|---|---|---|---|---|---|---|---|---|
| 1990 | FAST | 105 | n.c. | 331 | 15.7 | 1.42 | ||
| 1992 | NASA | 114 | 25.5 | 139 | 359 | n.c. | 1.44 | 12.6(12.0) |
| 1992 | ANCAT/EC2 | 114 | 17.1 | 131 | 360 | n.c. | 1.60(1.81) | 14.0(13.8) |
| 1999 | NASA | 128 (134 inc. charter) | n.c. | 404 (423 inc. charter) | 25.8 | 1.69 | 13.2 | |
| 2000 | TRADEOFF | 152 | 17.1a | 169 | 480 | 25.1 | 1.95(2.15) | 12.7(12.9) |
| 2000 | FAST | 152 | n.c. | 480 | 26.9 | 2.03 | 13.4 | |
| 2000 | SAGE | 181 | n.c. | 572 | 33.3 | 2.51 | 13.8 | |
| 2001 | SAGE | 170 | n.c. | 536 | 31.9 | 2.35 | 13.8 | |
| 2002 | SAGE | 171 | n.c. | 539 | 32.6 | 2.41 | 14.1 | |
| 2002 | AERO2K | 156 | 19.5 | 176 | 492(553) | 33.2 | 2.06(2.24) | 13.2(12.7) |
| 2003 | SAGE | 176 | n.c. | 557 | 34.5 | 2.49 | 14.1 | |
| 2004 | SAGE | 188 | n.c. | 594 | 37.0 | 2.69 | 14.3 | |
| 2005 | SAGE | 203 | n.c. | 641 | 40.7 | 2.90 | 14.2 |
References: ‘FAST’, Lee et al. (2005); ‘NASA’, Baughcum et al., 1996, Sutkus et al., 2001; ‘ANCAT/EC2’, Gardner et al. (1998); ‘TRADEOFF’, Gauss et al. (2006); ‘SAGE’, Kim et al. (2007); ‘AERO2K’, Eyers et al. (2005).
a
Military emissions adopted from other study; n.c. not calculated; brackets include military emissions.