Article
Assessing Resilience Against Floods With A System Dynamics Approach: A Comparative Study Of Two Models
International Journal of Disaster Resilience in the Built Environment
(2020)
Abstract
This paper presents the concepts of two different ways of generating a dynamic structure of the urban system in order to further allow to understanding specific urban behavior facing against flood and further evaluate the potential effect of specific resilience strategies aiming to decrease the exposure and vulnerability of the system.
Two system dynamics model structures are presented in form of Casual Loop Diagrams.
The main differences among the tow approach are the time horizon and the approach that regulates the assessment of the resilience trough a dynamic composite indicator: the first model refers to baseline at initial simulation time; the second model is focused on the ratio service supply to demand.
Within the approach, the purpose is to properly and efficiently evaluate the effect of different Flood Risk Management strategies, i.e., prevention, defence, mitigation, preparation, and recovery for consistent and resilient flood governance plans with different type of resilience scenarios.
The need for such tool is underlined by a lack on the assessment of urban resilience to flood as whole, considering the physical and social dimensions and the complex interaction among their main components. There are several assessment tools based on an indicator approach that have been proposed to meet this need. Nevertheless, indicator-based approach has the limitation to exclude the complexity of the system and its systemic interaction in terms of feedbacks effects among the identified components or variables selected for the system description. This peculiarity can be provided by System Dynamics modelling.
Disciplines
Publication Date
Spring April 16, 2020
DOI
https://doi.org/10.1108/IJDRBE-02-2020-0013
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Citation Information
Maksims Feofilovs, Francesco Romagnoli, Charlotte Kendra Z Gotangco, Jairus Josol, et al.. "Assessing Resilience Against Floods With A System Dynamics Approach: A Comparative Study Of Two Models" International Journal of Disaster Resilience in the Built Environment (2020) Available at: http://works.bepress.com/charlottekendra-gotangco/10/