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    Emergency Planning in the Urban-Wildland Interface: Subdivision-Level Analysis of Wildfire Evacuations

    Source: Journal of Urban Planning and Development:;2007:;Volume ( 133 ):;issue: 001
    Author:
    Brian Wolshon
    ,
    Emile Marchive III
    DOI: 10.1061/(ASCE)0733-9488(2007)133:1(73)
    Publisher: American Society of Civil Engineers
    Abstract: This project was motivated by recent research that has advocated the need for a better understanding of and planning for evacuations of residential subdivisions under threat from wildfires. Prior work has suggested that the density of housing units and ineffective evacuation routing and egress may have contributed to fatalities in subdivisions in which residents were unable to evacuate when the need arose. To evaluate the effects of development density and street network layout, this study utilized simulation to represent and evaluate various evacuation scenarios at the neighborhood level under ranges of housing density and threat urgency. The results of this study illustrate the relationships between the traffic that can be accommodated by a roadway network; the location and number of egress points; and the time during which vehicles enter and exit the network. Most significantly, it showed how changes in traffic volume need to be accompanied by corresponding increases or decreases in time and/or egress capacity to move evacuees out of the threat zone. Similarly, changes in the network (i.e., adding and/or modifying the location of exits) were also shown to significantly decrease evacuation clearance times and increase the total exiting traffic.
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      Emergency Planning in the Urban-Wildland Interface: Subdivision-Level Analysis of Wildfire Evacuations

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    http://yetl.yabesh.ir/yetl1/handle/yetl/38536
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    • Journal of Urban Planning and Development

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    contributor authorBrian Wolshon
    contributor authorEmile Marchive III
    date accessioned2017-05-08T21:05:50Z
    date available2017-05-08T21:05:50Z
    date copyrightMarch 2007
    date issued2007
    identifier other%28asce%290733-9488%282007%29133%3A1%2873%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/38536
    description abstractThis project was motivated by recent research that has advocated the need for a better understanding of and planning for evacuations of residential subdivisions under threat from wildfires. Prior work has suggested that the density of housing units and ineffective evacuation routing and egress may have contributed to fatalities in subdivisions in which residents were unable to evacuate when the need arose. To evaluate the effects of development density and street network layout, this study utilized simulation to represent and evaluate various evacuation scenarios at the neighborhood level under ranges of housing density and threat urgency. The results of this study illustrate the relationships between the traffic that can be accommodated by a roadway network; the location and number of egress points; and the time during which vehicles enter and exit the network. Most significantly, it showed how changes in traffic volume need to be accompanied by corresponding increases or decreases in time and/or egress capacity to move evacuees out of the threat zone. Similarly, changes in the network (i.e., adding and/or modifying the location of exits) were also shown to significantly decrease evacuation clearance times and increase the total exiting traffic.
    publisherAmerican Society of Civil Engineers
    titleEmergency Planning in the Urban-Wildland Interface: Subdivision-Level Analysis of Wildfire Evacuations
    typeJournal Paper
    journal volume133
    journal issue1
    journal titleJournal of Urban Planning and Development
    identifier doi10.1061/(ASCE)0733-9488(2007)133:1(73)
    treeJournal of Urban Planning and Development:;2007:;Volume ( 133 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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