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    Flood Resilience of Urban River Restoration Projects: Case Studies in Hong Kong

    Source: Journal of Management in Engineering:;2020:;Volume ( 036 ):;issue: 005
    Author:
    Bernadette Chia
    ,
    Yuhong Wang
    ,
    Yang Chen
    DOI: 10.1061/(ASCE)ME.1943-5479.0000809
    Publisher: ASCE
    Abstract: As a flood mitigation strategy, most of Hong Kong’s river channels were straightened and lined with concrete to maximize their drainage capacities, but at the cost of ecological and aesthetic values. To reclaim these and still meet engineering demands, some nature-based solutions have been introduced to revitalize the rivers. However, there are concerns about the resilience of the restored rivers under heavy rainstorms. In this paper, a framework and process for resilience analysis is proposed, based on which resilience analysis was performed on two river restoration cases from the perspectives of engineering resilience, system resilience, and complex adaptive system resilience. The analysis framework and process were found to be useful in generating technical and managerial insights into the resilience of the river restoration projects. Based on the analysis results, proactive design and adaptive operation management strategies are recommended. Although resilience analysis in this paper was performed in the context of river restoration projects, the framework and process may be applicable to other civil infrastructures.
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      Flood Resilience of Urban River Restoration Projects: Case Studies in Hong Kong

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4267107
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    contributor authorBernadette Chia
    contributor authorYuhong Wang
    contributor authorYang Chen
    date accessioned2022-01-30T20:46:57Z
    date available2022-01-30T20:46:57Z
    date issued9/1/2020 12:00:00 AM
    identifier other%28ASCE%29ME.1943-5479.0000809.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4267107
    description abstractAs a flood mitigation strategy, most of Hong Kong’s river channels were straightened and lined with concrete to maximize their drainage capacities, but at the cost of ecological and aesthetic values. To reclaim these and still meet engineering demands, some nature-based solutions have been introduced to revitalize the rivers. However, there are concerns about the resilience of the restored rivers under heavy rainstorms. In this paper, a framework and process for resilience analysis is proposed, based on which resilience analysis was performed on two river restoration cases from the perspectives of engineering resilience, system resilience, and complex adaptive system resilience. The analysis framework and process were found to be useful in generating technical and managerial insights into the resilience of the river restoration projects. Based on the analysis results, proactive design and adaptive operation management strategies are recommended. Although resilience analysis in this paper was performed in the context of river restoration projects, the framework and process may be applicable to other civil infrastructures.
    publisherASCE
    titleFlood Resilience of Urban River Restoration Projects: Case Studies in Hong Kong
    typeJournal Paper
    journal volume36
    journal issue5
    journal titleJournal of Management in Engineering
    identifier doi10.1061/(ASCE)ME.1943-5479.0000809
    page12
    treeJournal of Management in Engineering:;2020:;Volume ( 036 ):;issue: 005
    contenttypeFulltext
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