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    Parameter Uncertainties in Flood Hazard Analysis of Heavy Rain Events

    Source: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering:;2021:;Volume ( 007 ):;issue: 002::page 04021016-1
    Author:
    Axel Sauer
    ,
    Regine Ortlepp
    DOI: 10.1061/AJRUA6.0001125
    Publisher: ASCE
    Abstract: Flooding due to intensive precipitation poses a major threat to lives and property. To deal with the resulting risks, information about flood-prone areas regarding water levels and flow velocities is needed. The flood probability of a certain point in the landscape depends on the one hand on the occurrence probability of a surface runoff generating–rainfall event and on the other hand on the flow- and runoff-determining properties of the terrain, e.g., the surface morphology and the hydraulic roughness. Simulation models for the flow of surface water are common tools for assessing the dynamics of flooding caused by intensive precipitation events. Major input parameters for such simulation tools are digital elevation models, surface roughness datasets, as well as data on the precipitation input. In order to make informed decisions that take the uncertainties of modeling results into account and to get an idea of the probability space, it is important to quantify the effects of different alternative model parameter sets regarding data sources as well as the spatial and temporal resolution of the input data. We evaluated the effects of different parameter sets for the hydronumeric computational fluid dynamics model HiPIMS on flow velocities and water levels.
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      Parameter Uncertainties in Flood Hazard Analysis of Heavy Rain Events

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4270689
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    • ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering

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    contributor authorAxel Sauer
    contributor authorRegine Ortlepp
    date accessioned2022-01-31T23:59:00Z
    date available2022-01-31T23:59:00Z
    date issued6/1/2021
    identifier otherAJRUA6.0001125.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4270689
    description abstractFlooding due to intensive precipitation poses a major threat to lives and property. To deal with the resulting risks, information about flood-prone areas regarding water levels and flow velocities is needed. The flood probability of a certain point in the landscape depends on the one hand on the occurrence probability of a surface runoff generating–rainfall event and on the other hand on the flow- and runoff-determining properties of the terrain, e.g., the surface morphology and the hydraulic roughness. Simulation models for the flow of surface water are common tools for assessing the dynamics of flooding caused by intensive precipitation events. Major input parameters for such simulation tools are digital elevation models, surface roughness datasets, as well as data on the precipitation input. In order to make informed decisions that take the uncertainties of modeling results into account and to get an idea of the probability space, it is important to quantify the effects of different alternative model parameter sets regarding data sources as well as the spatial and temporal resolution of the input data. We evaluated the effects of different parameter sets for the hydronumeric computational fluid dynamics model HiPIMS on flow velocities and water levels.
    publisherASCE
    titleParameter Uncertainties in Flood Hazard Analysis of Heavy Rain Events
    typeJournal Paper
    journal volume7
    journal issue2
    journal titleASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
    identifier doi10.1061/AJRUA6.0001125
    journal fristpage04021016-1
    journal lastpage04021016-8
    page8
    treeASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering:;2021:;Volume ( 007 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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