A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Karst flash-flood forecasting in the city of Nîmes (southern France)
Abstract In southern France, karst flash-floods may be the result of two, potentially cumulative, phenomena: Floods from highly localized events that mostly occur during autumn and are locally known as Cevenol rain events; Floods exacerbated by recent rainfall events that contributed to saturation of the aquifer before the storm event, thereby increasing runoff. In any case, flash floods occurring in a karst landscape are directly linked to the structure and hydraulic properties of the karst aquifer. A methodology was developed for the city of Nîmes for forecasting these dangerous events, based on the study and modelling of karst-aquifer response to rain events. This work was composed of: (i) Definition of how the Nîmes system functions, leading to a conceptual model; (ii) Modelling of this conceptual model; (iii) Definition of a tool for hazard management, presented as an abacus and tested on particular strong rainfall event.
Karst flash-flood forecasting in the city of Nîmes (southern France)
Abstract In southern France, karst flash-floods may be the result of two, potentially cumulative, phenomena: Floods from highly localized events that mostly occur during autumn and are locally known as Cevenol rain events; Floods exacerbated by recent rainfall events that contributed to saturation of the aquifer before the storm event, thereby increasing runoff. In any case, flash floods occurring in a karst landscape are directly linked to the structure and hydraulic properties of the karst aquifer. A methodology was developed for the city of Nîmes for forecasting these dangerous events, based on the study and modelling of karst-aquifer response to rain events. This work was composed of: (i) Definition of how the Nîmes system functions, leading to a conceptual model; (ii) Modelling of this conceptual model; (iii) Definition of a tool for hazard management, presented as an abacus and tested on particular strong rainfall event.
Karst flash-flood forecasting in the city of Nîmes (southern France)
Fleury, P. (author) / Maréchal, J.C. (author) / Ladouche, B. (author)
Engineering Geology ; 164 ; 26-35
2013-06-15
10 pages
Article (Journal)
Electronic Resource
English
Karst flash-flood forecasting in the city of Nîmes (southern France)
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