The U.S. maritime transportation system is a foundational element of the national supply chain, and its operators are under immense pressure to ensure that its ports can reliably and efficiently support supply chain demands despite their exposure to potential disruptions. Understanding the connectivity of these ports is critical to describing the robustness of port network regions in the face of disruption. In this work, Marine Cadastre Automatic Identification System data are utilized to describe a network of 62 interconnected ports (“nodes”) within the U.S. maritime transportation system. This network is analyzed with community detection via label propagation to quantitatively identify regions of the U.S. port network based on shared vessel traffic and examined with the PageRank algorithm to identify ports that are critical to regional traffic flow. The detected communities of the U.S. port network were driven by physical proximity in many instances. However, the Mississippi River and Gulf ports were split based on the predominant vessel type of each port. Additionally, ports along the Gulf often received lower PageRank scores than West coast ports of similar size. Quantitatively identifying port network regions and critical ports are valuable capabilities for discussion of regional robustness or investments to increase region-wide resilience.


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    Titel :

    Resilience-Focused Analysis of the United States Maritime Transportation System Using Automatic Identification System Data


    Weitere Titelangaben:

    Transportation Research Record: Journal of the Transportation Research Board


    Beteiligte:


    Erscheinungsdatum :

    03.03.2022




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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