Table 5 Uncertainty results for terminal B.

From: Evaluation of CO2 emissions and energy use with different container terminal layouts

Terminal B

Mean

SD

Uncertainty

%Relative uncertainty

R square

Ship to shore crane

273.2

20.4

5.9

2

0.75

Automatic stacking crane

240.1

21.6

6.2

3

0.91

Terminal truck

339.7

28.9

8.3

2

0.80

Straddle carrier

45.8

7.5

2.2

5

0.64

Side loader

5.7

4.3

1.2

22

0.05