A comparison between agent-based and GIS-based tsunami evacuation simulations: a case study for Tofino, BC

Joseph Kim; Tomoyuki Takabatake; Ioan Nistor; Tomoya Shibayama

doi:10.1139/cjce-2020-0660

A comparison between agent-based and GIS-based tsunami evacuation simulations: a case study for Tofino, BC

Joseph Kim^*, Tomoyuki Takabatake, Ioan Nistor, Tomoya Shibayama

^*Corresponding author for this work

School of Creative Science and Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Soft measures such as evacuation planning are recommended to mitigate the loss of life during tsunamis. Two types of evacuation models are widely used: (i) agent-based modelling (ABM) defines sets of rules that individual agents in a simulation follow during a simulated evacuation; and (ii) geographical information systems (GIS) are more accessible to city planners, but cannot incorporate the dynamic behaviours found in ABMs. The two evacuation modelling methodologies were compared through a case study by assessing the state of evacuation preparedness and investigating potential mitigation options. The two models showed different magnitudes for mortality rates and facility demand but had similar trends. Both models agreed on the best solution to reduce the loss of life for the community. GIS may serve as a useful tool for initial investigation or as a validation tool for ABMs. ABMs are recommended for use when modelling evacuation until GIS methodologies are further developed.

Original language	English
Pages (from-to)	511-526
Number of pages	16
Journal	Canadian Journal of Civil Engineering
Volume	49
Issue number	4
DOIs	https://doi.org/10.1139/cjce-2020-0660
Publication status	Published - 2022

Keywords

agent-based model
coastal hazards
evacuation model
GIS model
tsunami inundation

ASJC Scopus subject areas

Civil and Structural Engineering
Environmental Science(all)

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10.1139/cjce-2020-0660

Cite this

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title = "A comparison between agent-based and GIS-based tsunami evacuation simulations: a case study for Tofino, BC",

abstract = "Soft measures such as evacuation planning are recommended to mitigate the loss of life during tsunamis. Two types of evacuation models are widely used: (i) agent-based modelling (ABM) defines sets of rules that individual agents in a simulation follow during a simulated evacuation; and (ii) geographical information systems (GIS) are more accessible to city planners, but cannot incorporate the dynamic behaviours found in ABMs. The two evacuation modelling methodologies were compared through a case study by assessing the state of evacuation preparedness and investigating potential mitigation options. The two models showed different magnitudes for mortality rates and facility demand but had similar trends. Both models agreed on the best solution to reduce the loss of life for the community. GIS may serve as a useful tool for initial investigation or as a validation tool for ABMs. ABMs are recommended for use when modelling evacuation until GIS methodologies are further developed.",

keywords = "agent-based model, coastal hazards, evacuation model, GIS model, tsunami inundation",

author = "Joseph Kim and Tomoyuki Takabatake and Ioan Nistor and Tomoya Shibayama",

note = "Funding Information: This work was funded through the University of Ottawa{\textquoteright}s Faculty of Engineering International Scholarship, by Ioan Nistor{\textquoteright}s NSERC Discovery Grant, and from the JSPS KAKENHI Grant Number JP1915104. The present work was performed as a part of activities of Research Institute of Sustainable Future Society, Waseda Research Institute for Science and Engineering, Waseda University. The authors would like to thank the District of Tofino and Northwest Hydraulics for their cooperation in acquiring data used in this study. Publisher Copyright: {\textcopyright} 2021 The Author(s).",

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N1 - Funding Information: This work was funded through the University of Ottawa’s Faculty of Engineering International Scholarship, by Ioan Nistor’s NSERC Discovery Grant, and from the JSPS KAKENHI Grant Number JP1915104. The present work was performed as a part of activities of Research Institute of Sustainable Future Society, Waseda Research Institute for Science and Engineering, Waseda University. The authors would like to thank the District of Tofino and Northwest Hydraulics for their cooperation in acquiring data used in this study. Publisher Copyright: © 2021 The Author(s).

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N2 - Soft measures such as evacuation planning are recommended to mitigate the loss of life during tsunamis. Two types of evacuation models are widely used: (i) agent-based modelling (ABM) defines sets of rules that individual agents in a simulation follow during a simulated evacuation; and (ii) geographical information systems (GIS) are more accessible to city planners, but cannot incorporate the dynamic behaviours found in ABMs. The two evacuation modelling methodologies were compared through a case study by assessing the state of evacuation preparedness and investigating potential mitigation options. The two models showed different magnitudes for mortality rates and facility demand but had similar trends. Both models agreed on the best solution to reduce the loss of life for the community. GIS may serve as a useful tool for initial investigation or as a validation tool for ABMs. ABMs are recommended for use when modelling evacuation until GIS methodologies are further developed.

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A comparison between agent-based and GIS-based tsunami evacuation simulations: a case study for Tofino, BC

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Keywords

ASJC Scopus subject areas

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