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Assessing the vulnerability of hydrological infrastructure to flood damage in coastal cities of developing nations

Lookup NU author(s): Dr Sarah Dunn



This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


© 2017 Elsevier Ltd. Hydrological infrastructure such as pumps, floodgates (or sluice gates), dams, embankments, and flood barriers are invaluable assets used for controlling water in flood-prone areas such coastal cities. These infrastructure components are often vulnerable to damage or failure due to the impact of floodwaters, thus leaving people and urban property exposed to flood hazards. To minimise the failure of hydrological infrastructure during intense flooding events, it is important to identify the most vulnerable components and to invest scarce resources in reducing their vulnerability. Using the concepts of exposure, susceptibility and resilience, this study proposes a graph-based network approach for measuring the vulnerability of hydrological infrastructure to flood damage in coastal cities. In this graph-based approach, hydrological infrastructures are represented as network nodes and the waterways as edges. The proposed vulnerability assessment approach is applied to measure and rank the vulnerability of floodgates in one of the most exemplary coastal cities - Jakarta, Indonesia. The results show that the proposed solution is both useful in highlighting the most vulnerable infrastructure components and also providing clues as to what actions can be taken to minimise infrastructure vulnerability. More so, the solution was found to be useful in identifying potential locations within the city of Jakarta, where additional infrastructure are required to improve resilience to flooding. This type of information about infrastructure vulnerability and resilience actions is vital to decision-making authorities responsible for planning, flood preparedness and priority-based allocation of resources for the maintenance of flood control infrastructure in coastal cities.

Publication metadata

Author(s): Ogie RI, Holderness T, Dunn S, Turpin E

Publication type: Article

Publication status: Published

Journal: Computers, Environment and Urban Systems

Year: 2017

Volume: 68

Pages: 97-109

Print publication date: 01/03/2018

Online publication date: 21/11/2017

Acceptance date: 15/11/2017

Date deposited: 07/02/2018

ISSN (print): 0198-9715

ISSN (electronic): 1873-7587

Publisher: Elsevier Ltd


DOI: 10.1016/j.compenvurbsys.2017.11.004


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