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Modeling the Vulnerability of Waterway Networks
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
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2014 (English)In: Journal of waterway, port, coastal, and ocean engineering, ISSN 0733-950X, Vol. 140, no 4, 04014012- p.Article in journal (Refereed) Published
Abstract [en]

In some areas, rivers and canals interweave into a network, making inland waterway transportation feasible. Significant losses will occur if a vulnerable waterway (where vulnerability is defined in terms of susceptibility to interference and difficulty in restoring the initial state) that is vital to a network is blocked. System vulnerabilities combined with hazard factors trigger disasters; therefore, reducing the vulnerability of a network system is a useful means of reducing major losses. In this paper, a model to calculate vulnerability based on inherent characteristics of waterways such as channel connectivity, transportation efficiency, and economic cost is developed. Three influence factors-importance, efficiency contribution, and loss-are used to build a vulnerability assessment model in which the relative vulnerabilities of various waterways can be assessed and the most vulnerable waterway can be found. Using this model, a simple waterway network is tested to identify vulnerable waterways. (C) 2014 American Society of Civil Engineers.

Place, publisher, year, edition, pages
2014. Vol. 140, no 4, 04014012- p.
Keyword [en]
Waterway networks, Vulnerability assessment model, Channel connectivity, Transportation efficiency, Economic cost
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:uu:diva-232659DOI: 10.1061/(ASCE)WW.1943-5460.0000238ISI: 000340732900003OAI: oai:DiVA.org:uu-232659DiVA: diva2:749372
Available from: 2014-09-23 Created: 2014-09-22 Last updated: 2014-09-23Bibliographically approved

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Wu, Lichuan
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