Exploring the Regional Structure of the Worldwide Air Traffic and Route Networks

Figure 2

(a) The airports in the large components of the weighted network. (b) The airports in the large components of the unweighted network. Each color is associated with a component. The North and Central America-Caribbean component is red (1). The Africa-Middle East-India component is green (2). The South American component is brown (3). The Europe-Russia-Central Asia component is black (4). The Europe-Russia-Central Asia component is black (4). It is divided into Europe in black (4) and Russia in purple (7) in the unweighted network. The East and South-East Asia-Oceania component (5) is divided into East and South-East Asia in blue (5) and Oceania in orange (6) in the unweighted network.

(a)

(b)