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Title: CREATING FLOOD HAZARD MAPS USING 2D HYDRAULIC MODELS
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CREATING FLOOD HAZARD MAPS USING 2D HYDRAULIC MODELS
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1314-2704
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English
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31
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The purpose of this paper is to present the flood hazard maps using 2D hydraulic modeling. Many economic, social, environmental losses as well as casualties, occur annually due to floods [4]. To reduce the risk of hazard, flood hazard and risk maps are required for different probabilities of their production and creating models that can predict floods in production time, based on information received from sensors located on watersheds. Very important for an effective management against floods have become nonstructural measures. Hazard and flood risk maps must be drafted in detail in any EU member state under Flood Risk Management imposed by the EU. These models, so necessary for predicting disasters such as floods, to reduce the damage caused by these, can be built using specialized software [4]. Typically, unidimensional, 2D models or 1D-2D coupled models are used to create the hydraulic models that uses these maps. To create the hazard maps, we will use a 2D hydraulic model build with the Mike 21 software. The paper presents the main steps you need to follow to build the 2D hydraulic model, the basic data required, the parameters on which the results depend, and the problems that may arise during the simulation. For 2D models, the results will typically be the level of the free water surface, depth or water speed for the study area. The resulting parameter values generally depend on the calculation time assigned and the fineness of the numerical model used but also on the value of the hydraulic parameters such as the roughness of the field.
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conference
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17th International Multidisciplinary Scientific GeoConference SGEM 2017
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17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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173-182
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29 June - 5 July, 2017
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website
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cdrom
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3301
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2D hydraulic modeling; bathymetry; flood hazard; water management
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