Table 4 Uncertainty results for terminal A.
From: Evaluation of CO2 emissions and energy use with different container terminal layouts
Terminal A | Mean | SD | Uncertainty | %Relative uncertainty | R square |
---|---|---|---|---|---|
Quay crane | 782.8 | 80.4 | 23.2 | 3.0 | 0.74 |
Rubber-tired gantry crane | 933.6 | 81.0 | 23.4 | 2.5 | 0.80 |
Terminal truck | 401.8 | 40.5 | 11.7 | 2.9 | 0.93 |
Reach stacker | 12.5 | 3.4 | 1.0 | 7.9 | 0.57 |
Side loader | 12.2 | 4.4 | 1.3 | 10.3 | 0.35 |