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    Interdependence and dynamics of essential services in an extensive risk context: a case study in Montserrat, West Indies (2015)

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    Type of Content
    Journal Article
    UC Permalink
    http://hdl.handle.net/10092/11007
    
    Publisher's DOI/URI
    https://doi.org/10.5194/nhess-15-947-2015
    
    Publisher
    University of Canterbury. Geological Sciences
    Collections
    • Science: Journal Articles [1139]
    Authors
    Sword-Daniels, V.L.
    Rossetto, T.
    Wilson, T.M.
    Sargeant, S.
    show all
    Abstract

    The essential services that support urban living are complex and interdependent, and their disruption in disasters directly affects society. Yet there are few empirical studies to inform our understanding of the vulnerabilities and resilience of complex infrastructure systems in disasters. This research takes a systems thinking approach to explore the dynamic behaviour of a network of essential services, in the presence and absence of volcanic ashfall hazards in Montserrat,West Indies. Adopting a case study methodology and qualitative methods to gather empirical data, we centre the study on the healthcare system and its interconnected network of essential services.We identify different types of relationship between sectors and develop a new interdependence classification system for analysis. Relationships are further categorised by hazard conditions, for use in extensive risk contexts. During heightened volcanic activity, relationships between systems transform in both number and type: connections increase across the network by 41 %, and adapt to increase cooperation and information sharing. Interconnections add capacities to the network, increasing the resilience of prioritised sectors. This in-depth and context-specific approach provides a new methodology for studying the dynamics of infrastructure interdependence in an extensive risk context, and can be adapted for use in other hazard contexts.

    Citation
    Sword-Daniels, V.L., Rossetto, T., Wilson, T.M., Sargeant, S. (2015) Interdependence and dynamics of essential services in an extensive risk context: a case study in Montserrat, West Indies. Natural Hazards and Earth System Science, 15, pp. 947-961.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    ANZSRC Fields of Research
    40 - Engineering::4005 - Civil engineering::400508 - Infrastructure engineering and asset management
    11 - Medical and Health Sciences::1117 - Public Health and Health Services::111708 - Health and Community Services
    37 - Earth sciences::3705 - Geology::370512 - Volcanology
    Rights
    https://hdl.handle.net/10092/17651

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