Flexible Optimization of International Shipping Routes considering Carbon Emission Cost

Table 5

Results of segment optimization.

O/D	Shanghai port	Ningbo port	Yantian port	Singapore port	Dubai port	Port Antwerp	Rotterdam port	Port Hamburg
Shanghai port	0	1	0	0	0	0	0	0
Ningbo port	1	0	1	0	0	0	0	0
Yantian port	0	1	0	1	0	0	0	0
Singapore port	0	0	1	0	0	1	0	0
Dubai port	0	0	0	0	0	0	0	0
Port Antwerp	0	0	0	1	0	0	1	0
Rotterdam port	0	0	0	0	0	1	0	1
Port Hamburg	0	0	0	0	0	0	1	0