Catherine Fouchier
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View article: Consensus hydrologique de la tempête ALEX du 2 et 3 octobre 2020 dans les Alpes-Maritimes
Consensus hydrologique de la tempête ALEX du 2 et 3 octobre 2020 dans les Alpes-Maritimes Open
International audience
View article: Spatially distributed calibration of a hydrological model with variational optimization constrained by physiographic maps for flash flood forecasting in France
Spatially distributed calibration of a hydrological model with variational optimization constrained by physiographic maps for flash flood forecasting in France Open
This contribution presents a regionalization approach to estimate spatially distributed hydrologic parameters based on: (i) the SMASH (Spatially distributed Modelling and ASsimilation for Hydrology) hydrological modeling and assimilation p…
View article: Evaluation of hydrological models on small mountainous catchments: impact of the meteorological forcings
Evaluation of hydrological models on small mountainous catchments: impact of the meteorological forcings Open
Hydrological modelling of small mountainous catchments is particularly challenging because of the high spatio-temporal resolution required for the meteorological forcings. In situ measurements of precipitation are typically scarce in these…
View article: Retour sur vingt ans de recherches partenariales DGPR-INRAE sur la prévision des crues et des inondations. Avancées, valorisation et perspectives
Retour sur vingt ans de recherches partenariales DGPR-INRAE sur la prévision des crues et des inondations. Avancées, valorisation et perspectives Open
International audience
View article: Comment on egusphere-2023-845
Comment on egusphere-2023-845 Open
Abstract. Hydrological modelling of small mountainous catchments is particularly challenging because of the high spatio-temporal resolution required for the meteorological forcings. In-situ measurements of precipitation ar…
View article: Supplementary material to "Evaluation of hydrological models on small mountainous catchments: impact of the meteorological forcings"
Supplementary material to "Evaluation of hydrological models on small mountainous catchments: impact of the meteorological forcings" Open
1 Percentage of karst 0.0 0.2 0.4 0.6 0.8 1.0 %Karst 2 Figure S1 shows the percentage of area characterised as karstic or supplying karstic sources, for each catchment of this study (Brugeron et al., 2018).Figure S1.Percentage of karst obt…
View article: Evaluation of hydrological models on small mountainous catchments: impact of the meteorological forcings
Evaluation of hydrological models on small mountainous catchments: impact of the meteorological forcings Open
Hydrological modelling of small mountainous catchments is particularly challenging because of the high spatio-temporal resolution required for the meteorological forcings. In-situ measurements of precipitation are typically scarce in these…
View article: Méthodes et outils pour la prévision opérationnelle des crues et des inondations: De la connaissance des débits à la prévision et l’avertissement aux risques
Méthodes et outils pour la prévision opérationnelle des crues et des inondations: De la connaissance des débits à la prévision et l’avertissement aux risques Open
National audience
View article: Towards a hydrological consensus about the 2nd – 3rd October 2020 ALEX storm event in the French “Alpes Maritimes” region
Towards a hydrological consensus about the 2nd – 3rd October 2020 ALEX storm event in the French “Alpes Maritimes” region Open
<p>After having swept over western France, the ALEX storm led to an exceptional Mediterranean rainfall event which hit the “Alpes Maritimes” region during the night of the 2nd to 3rd October 2020. The rainfall acc…
View article: Spatially distributed calibration of a hydrological model with variational optimization constrained by physiographic maps for flash flood forecasting in France
Spatially distributed calibration of a hydrological model with variational optimization constrained by physiographic maps for flash flood forecasting in France Open
<p>The estimation of storage and fluxes in surface hydrology is an essential scientific question related to major socio-economic issues, especially when forecasting extreme floods and droughts with the undergoing climate change. Adva…
View article: Projet HYDRODEMO Évaluation de l'aléa torrentiel dans les petits bassins versants des Alpes du Nord Action 4 : Développer un cadre de modélisation hydrologique pour les petits bassins versants torrentiels
Projet HYDRODEMO Évaluation de l'aléa torrentiel dans les petits bassins versants des Alpes du Nord Action 4 : Développer un cadre de modélisation hydrologique pour les petits bassins versants torrentiels Open
Le projet HYDRODEMO a pour objectif de mieux connaître les risques liés aux crues torrentielles dans les Alpes du Nord et de pouvoir mieux s’en prémunir. Le manque d’observations hydrométéorologiques dans les Alpes du Nord, que ce soit en …
View article: Assessing parsimonious hydrological model structures with distributed adjoint-based calibration in SMASH Python-Fortran platform on large sample of French catchments and flash floods
Assessing parsimonious hydrological model structures with distributed adjoint-based calibration in SMASH Python-Fortran platform on large sample of French catchments and flash floods Open
<p><span>This</span> <span>contribution</span> <span>presents</span> <span>improvements</span> <span>of</span> <span>conceptual</span> <span>models</spa…
View article: Towards a hydrological consensus about the 2nd &#8211; 3rd October 2020 ALEX storm event in the French &#8220;Alpes Maritimes&#8221; region
Towards a hydrological consensus about the 2nd – 3rd October 2020 ALEX storm event in the French “Alpes Maritimes” region Open
<p>After having swept over western France, the ALEX storm led to an exceptional Mediterranean rainfall event which hit the “Alpes Maritimes” region during the night of the 2nd to 3rd October 2020. The rainfall acc…
View article: Advances and challenges of the French operational flash flood warning system, Vigicrues Flash
Advances and challenges of the French operational flash flood warning system, Vigicrues Flash Open
<p align="justify"><span>Since March 2017, t</span><span>he French flash flood warning system, Vigicrues Flash, provides warnings for small-to-medium ungauged basins for about 10,000 municipalities to help…
View article: Performance and sensitivity of a spatially distributed hydrological conceptual flood model with snow components.
Performance and sensitivity of a spatially distributed hydrological conceptual flood model with snow components. Open
<p>In France, flash floods are responsible for a significant proportion of damages caused by natural hazards, either human or material. Hence, advanced modeling tools are needed to perform effective predictions. How…
View article: Les évolutions du service d'avertissement sur les pluies intenses et les crues soudaines en France
Les évolutions du service d'avertissement sur les pluies intenses et les crues soudaines en France Open
International audience
View article: Améliorer la prévision immédiate des crues soudaines et de leurs impacts : le projet de recherche ANR PICS (France)
Améliorer la prévision immédiate des crues soudaines et de leurs impacts : le projet de recherche ANR PICS (France) Open
Flash-flood forecasting is of crucial importance to mitigate the devastating effects of flash-floods. The first operational flash flood warning systems have been recently implemented in France and other countries.\nNevertheless, the capaci…
View article: Mises en œuvre opérationnelles de la méthode AIGA pour anticiper les crues sur les cours d'eau non surveillés
Mises en œuvre opérationnelles de la méthode AIGA pour anticiper les crues sur les cours d'eau non surveillés Open
View article: Mises en œuvre opérationnelles de la méthode AIGA pour anticiper les crues sur les cours d'eau non surveillés
Mises en œuvre opérationnelles de la méthode AIGA pour anticiper les crues sur les cours d'eau non surveillés Open
[Departement_IRSTEA]Eaux [TR1_IRSTEA]ARCEAU
View article: Lessons from the autumn 2014 flash floods in the city of Nîmes and its neighborhood (France): behavior of several mitigation dams and hydrological analysis
Lessons from the autumn 2014 flash floods in the city of Nîmes and its neighborhood (France): behavior of several mitigation dams and hydrological analysis Open
\nThe Languedoc area, in Southern France, is prone to autumnal flash floods which are characteristic of the Mediterranean climate. To cope with this threat, the local authorities have chosen to build several dams on the main dangerous rive…
View article: Assessing the exposure to floods to estimate the risk of flood-related damage in French Mediterranean basins
Assessing the exposure to floods to estimate the risk of flood-related damage in French Mediterranean basins Open
\nThe dreadful floods of 1999, 2002 and 2003 in South of France have alerted public opinion on the need for a more efficient and a further generalized national flood-forecasting system. This is why in 2003 Irstea and Meteo-France have impl…
View article: Implementation of a real-time warning and mapping system for natural hazards triggered by rainfall in mountainous and Mediterranean areas of Southeastern France
Implementation of a real-time warning and mapping system for natural hazards triggered by rainfall in mountainous and Mediterranean areas of Southeastern France Open
Due to its mountainous topography and its Mediterranean climate, the Provence-Alpes-Côte d'Azur (PACA) region in Southeastern France is particularly prone to flash floods, debris flows and mass movements (landslides and rockfall). A mappin…