Hydrometeorological modelling for flash flood areas: the case of the 2002 Gard event in France
- Anquetin, Sandrine
- Ducrocq, V.
- Braud, Isabelle
- Creutin, Jean-Dominique
DOIAbstract
International audienceIn the context of flash flood forecasting, this paper proposes a few advances in our understanding of the hydrometeorological processes and their associated modelling requirements that may be useful to introduce within an operational forecasting chain. The study is focused on the September 2002 storm that produced more than 600 mm of rainfall in <24 h and triggered a series of flash floods in the South of France. This catastrophic event took 23 human lives in 16 distinct subcatchments. This paper proposes a combined detailed analysis of the meteorological event and hydrological simulations of the response of four small-ungauged catchments. The meteorological analyses are based on observations and results of simulation ...
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