Please use this identifier to cite or link to this item: https://doi.org/10.1098/rsif.2009.0495
Title: The complex network of global cargo ship movements
Authors: Kaluza, Pablo
Koelzsch, Andrea
Gastner, Michael T 
Blasius, Bernd
Keywords: Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
complex network
cargo ships
bioinvasion
transportation
TRANSPORTATION NETWORK
INVASIONS
DISTRIBUTIONS
CENTRALITY
EPIDEMIC
SPREAD
Issue Date: 6-Jul-2010
Publisher: ROYAL SOC
Citation: Kaluza, Pablo, Koelzsch, Andrea, Gastner, Michael T, Blasius, Bernd (2010-07-06). The complex network of global cargo ship movements. JOURNAL OF THE ROYAL SOCIETY INTERFACE 7 (48) : 1093-1103. ScholarBank@NUS Repository. https://doi.org/10.1098/rsif.2009.0495
Abstract: Transportation networks play a crucial role in human mobility, the exchange of goods and the spread of invasive species. With 90 per cent of world trade carried by sea, the global network of merchant ships provides one of the most important modes of transportation. Here, we use information about the itineraries of 16 363 cargo ships during the year 2007 to construct a network of links between ports. We show that the network has several features that set it apart from other transportation networks. In particular, most ships can be classified into three categories: bulk dry carriers, container ships and oil tankers. These three categories do not only differ in the ships' physical characteristics, but also in their mobility patterns and networks. Container ships follow regularly repeating paths whereas bulk dry carriers and oil tankers move less predictably between ports. The network of all ship movements possesses a heavy-tailed distribution for the connectivity of ports and for the loads transported on the links with systematic differences between ship types. The data analysed in this paper improve current assumptions based on gravity models of ship movements, an important step towards understanding patterns of global trade and bioinvasion. © 2010 The Royal Society.
Source Title: JOURNAL OF THE ROYAL SOCIETY INTERFACE
URI: https://scholarbank.nus.edu.sg/handle/10635/169013
ISSN: 17425689
17425662
DOI: 10.1098/rsif.2009.0495
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