Modeling the Vulnerability of Waterway Networks
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 140, Issue 4
Abstract
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.
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Acknowledgments
This work is supported by the National Science Foundation of China (NSFC) through Grant No. 51209166 and Science and Technology Project of Zhejiang Communications through Grant No. 2013W05.
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Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 140 • Issue 4 • July 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Mar 11, 2013
Accepted: Sep 23, 2013
Published online: Sep 25, 2013
Published in print: Jul 1, 2014
Discussion open until: Jul 26, 2014
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