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- Ronchi, E., et al.
(författare)
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The verification of wildland–urban interface fire evacuation models
- 2023
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Ingår i: Natural Hazards. - : Springer Science and Business Media LLC. - 0921-030X .- 1573-0840. ; 117:2, s. 1493-1519
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Tidskriftsartikel (refereegranskat)abstract
- This paper introduces a protocol for the verification of multi-physics wildfire evacuation models, including a set of tests used to ensure that the conceptual modelling representation of each modelling layer is accurately implemented, as well as the interactions between different modelling layers and sub-models (wildfire spread, pedestrian movement, traffic evacuation, and trigger buffers). This work presents a total of 24 verification tests, including (1) 4 tests related to pedestrians, (2) 15 tests for traffic evacuation, (3) 5 tests concerning the interaction between different modelling layers, along with 5 tests for wildfire spread and trigger buffers. The evacuation tests are organized in accordance with different core components related to evacuation modelling, namely Population, Pre-evacuation, Movement, Route/destination selection, Flow constraints, Events, Wildfire spread and Trigger buffers. A reporting template has also been developed to facilitate the application of the verification testing protocol. An example application of the testing protocol has been performed using an open wildfire evacuation modelling platform called WUI-NITY and its associated trigger buffer model k-PERIL. The verification testing protocol is deemed to improve the credibility of wildfire evacuation model results and stimulate future modelling efforts in this domain.
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- Kinateder, M., et al.
(författare)
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Where drills differ from evacuations : A case study on Canadian buildings
- 2021
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Ingår i: Safety Science. - : Elsevier BV. - 0925-7535. ; 135
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Tidskriftsartikel (refereegranskat)abstract
- Planned egress drills are required by building codes around the world, and are commonly used to both train occupants and assess evacuation procedures. However, capturing the idea of a “successful” drill is often difficult. Data from both drills and unplanned evacuations are often incomplete and unreliable, which raises a key question: How well-matched are planned egress drills and unplanned evacuations in terms of their properties and outcomes? That is, are drills a good model of evacuation? In this paper, we compare 93 planned egress drills and 23 unplanned evacuations, which occurred in Canadian office buildings over a span of four years. Our two main findings are that (1) planned egress drills differ from unplanned evacuations in terms of frequency, timing, and outcome (e.g., reported total evacuation time), and (2) the reported number of occupants correlates with total evacuation time. These findings motivate a discussion of the strengths and weaknesses of the current approach to data reporting, and we highlight potential implications for (and limitations of) the current drill model.
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- Kuligowski, E., et al.
(författare)
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Evacuation modelling for bushfire : the WUI-NITY simulation platform
- 2022
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Ingår i: Australian Journal of Emergency Management. - 1324-1540. ; 37:4, s. 40-43
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Tidskriftsartikel (refereegranskat)abstract
- The number of people who live in bushfire-prone areas around the world is growing. In Australia, in the states of Victoria and New South Wales, over 1.5 million people live in areas rated as high to extreme bushfire risk in (SGS Economics and Planning 2019). As effects of climate change increase the size and severity of bushfires, and a greater number of people move into these at-risk areas, there is a growing imperative to understand the likely evacuation outcomes of bushfireprone communities under various fire scenarios. This paper introduces a freely available simulation platform called WUI-NITY that can be used by evacuation planners and decisionmakers to forecast evacuation behaviour within affected areas, and in turn, better prepare for and respond to future bushfire events.
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