Analysis of tsunami evacuation maps for a consensual symbolization rules proposal

Girres, Jean-François; Leone, Frédéric; Péroche, Matthieu; Gustave, Gilles; Gherardi, Monique

doi:10.1080/23729333.2018.1440711

Cited by 11 publications

(6 citation statements)

References 13 publications

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“…Reference source not found.-a), were used to propose four types of flash flood evacuation signs. It is noteworthy that no methodologies or international standards have been found related to the flash flood evacuation route signage, thus the followed methodology to the flood evacuation signage and their colours was inspired by tsunami evacuation route signage (Girres et al, 2018). These proposed evacuation signs (Figure 5), on which information is written in both Arabic (mother tongue) and in English languages (for potential presence of foreigners) will guide Ras-Baalbek residents to the direction they should follow to evacuate successfully, and will indicate the needed time to reach a safe zone at an average pedestrian travel speed.…”

Section: Operational Applicability Of the Model And Strategic Implementation Of Flood Evacuation Signagementioning

confidence: 99%

“…The adopted method and detailed analysis of potential evacuation times necessitate an important amount of high-resolution data and several processing steps. In opposition to many other pedestrian evacuation analysis (Girres et al, 2018), the LCD takes into account the elevation changes (i.e. how steep the path is) and the different types of land use /land cover (maintained road, sand, grass, forest, buildings, rivers, etc.)…”

Section: Introductionmentioning

confidence: 99%

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Examining the Operational Aspect of Pedestrian Evacuation Modelling; A case study of Ras-Baalbek flash floods–Lebanon.

Sarkissian¹,

Abdallah²,

Zaninetti³

et al. 2021

Science and Practice for an Uncertain Future

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A number of evacuation models exist in literature, but investigations of their operational aspects and efficient implementation are rare. The purpose of this paper is to critically assess the operational aspect of pedestrian evacuation models for flash floods mitigation. Through a detailed real-life case study in Ras-Baalbek village-Lebanon, the efficiency of evacuation models when it comes to saving lives was examined. Potential evacuation times were established using an anisotropic least-cost-distance (LCD) approach combined with an exploratory geospatial analysis. The next step was a field verification of the obtained results and accordingly, a detailed evacuation plan that would allow evacuees for a quick departure before flash floods arrival was established. Based on the modeling results, evacuation signs were proposed to be installed on roads along with building vertical-evacuation structures to enhance the evacuation time. The obtained evacuation-modeling outcomes showcased to have multiple operational implications: flood risk outreach, educating and training (preparedness and response), reducing risk and casualties, long-term land use/land cover zoning and, ultimately, improving communities' resilience to floods.

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Section: Operational Applicability Of the Model And Strategic Implementation Of Flood Evacuation Signagementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Examining the Operational Aspect of Pedestrian Evacuation Modelling; A case study of Ras-Baalbek flash floods–Lebanon.

Sarkissian¹,

Abdallah²,

Zaninetti³

et al. 2021

Science and Practice for an Uncertain Future

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show abstract

“…The review of these results will lead to an optimized prototype of "volcano" evacuation map that integrates the results of population risk indexes found previously. This innovative map will adopt a style guide borrowed from tsunami evacuation plans recently approved by French authorities in charge of crisis management in the French West Indies (Leone et al 2014b;Girres et al 2018).…”

Section: Modelling Road Accessibility With Graphsmentioning

confidence: 99%

Integrating spatial accessibility in the design of volcano evacuation plans in the French West Indies (Guadeloupe and Martinique)

et al. 2019

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This article provides a spatial and comparative approach to evaluate the territorial accessibility in the event of a volcanic crisis in the French West Indies. A spatial assessment of resources and populations exposed to volcanic hazards is performed, followed by an assessment of the risk of territorial isolation due to lahars. Modelling of the risk of terrestrial isolation builds upon graph-based computations and indices that take into account the specific vulnerability of river-crossing structures and the knowledge of historical lahars. Another application of the graphs concerns scenarios for the evacuation of population, the sole efficient response to an eruption. This results in an optimised division of areas to evacuate in order to assess the potential reduction of the load on the road network. These different results are integrated into a prototype for evacuation maps intended for local authorities. The situation of Guadeloupe is of greater concern than that in Martinique, given the level of exposure, the potential losses of accessibility in case of lahars, and the greater and ongoing volcanic unrest of La Soufrière volcano in Guadeloupe.

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“…In this respect, four articles focus on important questions in terms of resilience today: evacuation of populations before or during a major event (Girres, Leone, Péroche, Gustave, and Gherardi, 2018;Palka, Serrhini, and Andrieu, 2018;Van Kerkvoorde, Kellens, Verfaillie, and Ooms, 2017;Sharma, Mishra, Bhatt, Rao, and Bhanumurthy, 2017). In these articles, the issue at stake consists of producing evacuation maps for informing and training populations in the face of feared hazards.…”

mentioning

confidence: 99%

“…In these articles, the issue at stake consists of producing evacuation maps for informing and training populations in the face of feared hazards. For example, Girres et al (2018) suggest drawing up consensual rules concerning specific symbolization dedicated to evacuation when faced with a tsunami. The result is an effort to harmonize rules of symbolization, whose effects are being tested and discussed, notably, on experimental sites in the Caribbean and the Mediterranean.…”

mentioning

confidence: 99%

Risks revealed by cartography – cartography renewed by the geovisualization of risks

Barroca

Serre

2018

International Journal of Cartography

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Analysis of tsunami evacuation maps for a consensual symbolization rules proposal

Cited by 11 publications

References 13 publications

Examining the Operational Aspect of Pedestrian Evacuation Modelling; A case study of Ras-Baalbek flash floods–Lebanon.

Examining the Operational Aspect of Pedestrian Evacuation Modelling; A case study of Ras-Baalbek flash floods–Lebanon.

Integrating spatial accessibility in the design of volcano evacuation plans in the French West Indies (Guadeloupe and Martinique)

Risks revealed by cartography – cartography renewed by the geovisualization of risks

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