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Overland flow and pathway analysis for modelling of urban pluvial flooding / Cedo Maksimovic in Journal of hydraulic research, Vol. 47 N° 4 (2009) 

Public ISBD [article]  in Journal of hydraulic research > Vol. 47 N° 4 (2009) . - pp. 512-523 Titre : Overland flow and pathway analysis for modelling of urban pluvial flooding Titre original : Drainage superficiel et analyse de chemins préférentiels pour le modelage d'inondations d'origine pluviale en milieu urbain Type de document : texte imprimé Auteurs : Cedo Maksimovic, Auteur ; Dusan Prodanovic, Auteur ; Surajate Boonya-Aroonnet, Auteur Article en page(s) : pp. 512-523 Note générale : Hydraulique Résumé en Français Langues : Anglais (eng) Mots-clés : GIS  LiDAR  Modelling  Overland  flow  Urban  pluvial  flooding Index. décimale : 627 Ingénierie des cours d'eau naturels, des ports, des rades et des cotes. Installations de navigation, de dragage, de récupération et de sauvetage. Barrages et centrales électriques hydrauliques Résumé : Research on improving an overland flow model is presented for urban pluvial flooding under the dual-drainage concept where sewer flow dynamically interacts with overland flow. This occurs during heavy storms when the sewer system is surcharged. The system becomes pressurised and overland flow increases by the additional volume flowing out from the sewer. To represent the overland flow realistically, a new methodology was developed automatically creating the overland flow network to enable its interaction with the drainage system. Use is made of high-resolution, accurate Digital Elevation Model data collected by the LiDAR technique. This approach enhances current urban flood models for detailed representation of overland flow processes such as pond forming, flow through preferential surface pathways and surface drainage capacity. This work advances new areas of urban flood management including improvement in real-time control and of links with rainfall now-casting, and short term urban flood forecasting. The dual-drainage approach is appropriate for real-time applications DEWEY : 627 ISSN : 0022-1686 En ligne : http://www.journalhydraulicresearch.com [article] Overland flow and pathway analysis for modelling of urban pluvial flooding = Drainage superficiel et analyse de chemins préférentiels pour le modelage d'inondations d'origine pluviale en milieu urbain [texte imprimé] / Cedo Maksimovic, Auteur ; Dusan Prodanovic, Auteur ; Surajate Boonya-Aroonnet, Auteur . - pp. 512-523. Hydraulique Résumé en Français Langues : Anglais (eng) in Journal of hydraulic research > Vol. 47 N° 4 (2009) . - pp. 512-523 Mots-clés : GIS  LiDAR  Modelling  Overland  flow  Urban  pluvial  flooding Index. décimale : 627 Ingénierie des cours d'eau naturels, des ports, des rades et des cotes. Installations de navigation, de dragage, de récupération et de sauvetage. Barrages et centrales électriques hydrauliques Résumé : Research on improving an overland flow model is presented for urban pluvial flooding under the dual-drainage concept where sewer flow dynamically interacts with overland flow. This occurs during heavy storms when the sewer system is surcharged. The system becomes pressurised and overland flow increases by the additional volume flowing out from the sewer. To represent the overland flow realistically, a new methodology was developed automatically creating the overland flow network to enable its interaction with the drainage system. Use is made of high-resolution, accurate Digital Elevation Model data collected by the LiDAR technique. This approach enhances current urban flood models for detailed representation of overland flow processes such as pond forming, flow through preferential surface pathways and surface drainage capacity. This work advances new areas of urban flood management including improvement in real-time control and of links with rainfall now-casting, and short term urban flood forecasting. The dual-drainage approach is appropriate for real-time applications DEWEY : 627 ISSN : 0022-1686 En ligne : http://www.journalhydraulicresearch.com