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RIWER2030 Partners

The Laboratoire d'étude des Transferts en Hydrologie et Environnement (LTHE) and the Electricité De France group (EDF) have for many years undertaken a number of research and development collaborations for both hydrological modelling and weather scenarios generation issues.

Mixing the missions of LTHE for fundamental research with the operational constraints of EDF leads to researches and developments with a high operational and scientific value. Common research issues are currently hydrological impact of climate change, weather types and weather generators, uncertainty characterisation and propagation. RIWER2030 provides a performing framework to pursue a competitive collaboration on these topics.



LTHE is one of the largest and most consistently successful centres of hydro-meteorological research in France, for its works on precipitation, catchments, hydraulics, and water resource engineering. Team 1 has internationally recognised capability in space-time precipitation analysis (processes and geostatistical properties) and modelling (physical and geostatistical models).

LTHE has produced various statistical models for the generation of precipitation scenarios in various meteorological contexts : rainfall disaggregation models adapted to Sahelian mesoscale convective complexes based on metagaussien fields, (Lebel, Braud et al. 1998), non parametric downscaling models for probabilistic quantitative precipitation forecasts in various regions of France, (Obled, Bontron et al. 2002), semi-parametric downscaling models for weather variable prediction in alpine context (Mezghani and Hingray 2008).

In such developments, the group has always paid a special attention to the coupling of meteorological and hydrological simulation models, e.g. (Anquetin, Yates et al. 2005).




EDF is one of the largest and most consistently successful European companies in charge of water and energy related resources. EDF has an important staff of researchers and engineers developing knowledge, methodologies and simulations tools for improving forecast, management and prediction of water and related resources and risks. Team 2 is composed by researchers from various EDF centres covering all together these different aspects.

EDF has been a worldwide pioneer in a number of research areas and has an internationally recognised capability in the analysis and modelling of precipitation, catchments, hydraulics, and water resource engineering. It has especially led to the development of methods and models applied worldwide such as the so-called non parametric ANALOG method for weather scenario generation (Duband 1970) or the so-called GRADEX method for flood risk analysis (Guillot and Duband 1967).

EDF also operates a number of water systems and has for all them operational and validated hydrological models (Garcon 1999; Garcon, Carre et al. 1999; Paquet, Gailhard et al. 2006). Such models are available for both CSs considered in this project.





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