Seminars & media

* For the online seminars, contact us to receive a link.

Coming soon:

  • 8 Decembre 2022, 14h (Campus Jussieu, Paris & Online Zoom): PhD defence of Paul Astagneau [in French], « Pistes d’amélioration de la généralité et de l’efficacité d’un modèle opérationnel de prévision des crues » (Room TEB, T 46/56 N2). Abstract.


  • 7 October 2022 (Montpellier opera) : Guillaume Thirel participated to the round table entitled “L’eau, l’Homme, la vie”, organised par the Le Point journal during the Futurapolis Santé 2022 event. Video.
  • 16 September 2022, 14h (room Galilée 1-2 & online Zoom): researchers from Canada are visiting the HYDRO Team in Antony (see here for more info):
  • 7 July 2022, 14h (room Monod & online Zoom): Anthony Lemoine, former PhD candidate and currently doing his post-doctoral research at IGE Grenoble & INRAE Lyon, presents his current work on “Nivo-glaciological changes in Alpine catchments: impacts on hydrological regimes and aquatic ecosystems”.
  • 15 March 2022: Pierre Brigode (visiting scientist at the HYDRO team) and Vazken Andréassian contributed to answer the question “How do small springs become great rivers?” [in French], published at “The Conversation Junior” (here)
  • 26 February – 6 March 2022: The HYDRO team participates in the “Salon international de l’Agriculture” (Agricultural Show) in Paris, Porte de Versailles, sharing their research and expertise on water and water-related risks: interview with Vazken Andréassian on Saturday 26 February, and interview with Léonard Santos on Saturday 5 March. More here.
  • 22  February 2022, 14h (online): Seminar by Alberto Assis dos Reis (UFMG/Cemig, Belo Horizonte, Brazil). Developing a seamless medium- to long-range flow forecast to improve the prediction of hydropower generation in Brazil. Abstract.
  • 10 February, 9h: Vazken Andréassian participated in the Public hearing on “Scientific and technological aspects of quantitative water management”, at the National Assembly and the Senate, organized by OPECST (Office parlementaire d’évaluation des choix scientifiques et technologiques/ Parliamentary office for the evaluation of scientific and technological choices). The presentation was titled “What impact of climate change on water resources” (in French). See the program here and the recording here. 


  • 10  December 2021, 13h (online): PhD defence of Alberto Assis dos Reis, Universidade Federal de Minas Gerais, supervised by Wilson S. Fernandes (UFMG, Belo Horizonte, Brazil), co-supervised by M.H Ramos (HYDRO Team INRAE, Antony). Developing a seamless medium- to long-range flow forecast to improve the prediction of hydropower generation in Brazil.
  • 30 November 2021, 14h (online): Seminar by Emixi Sthefany Valdez Medina, PhD candidate at Université Laval, Québec, under the supervision of François Anctil, co-supervised by M.H Ramos of the HYDRO Team. Title: Choosing between post-processing precipitation forecasts or chaining several uncertainty quantification tools in hydrological forecasting systems.
  • 8 November 2021, 14h (Sorbonne Université/Campus Jussieu & online): PhD defence of Antoine Pelletier (INRAE Antony): “Aquifers and rivers: can groundwater level data improve modelling of river low flows?” [in French] Abstract Read More
  • 12 August 2021, Maria-Helena Ramos is invited to talk about “The quality and value of hydrological forecasts and predictions” in the Topical Webinar Series hosted by the Core Modelling and Forecasting Team of the Global Water Futures program of the University of Saskatchewan. Recording available here.
  • 18 July  2021, Vazken Andréassian coordinates the contribution “Prévisions, climat, gestion des risques… Les crues mortelles d’Allemagne et de Belgique en sept questions”, published by “The Conversation” (here)
  • 15 July 2021, Maria-Helena Ramos co-wrote the synthesis of the “Global Hydrological Workshop 2021″, Online Newsletter Copernicus EMS (here
  • 1 June 2021, 14h (online): PhD defence of Anthony Lemoine (INRAE Antony/Sorbonne Université), “Impact indicators of hydroclimatic changes on the management of hydropower reservoirs” [in French]. Résumé/abstract
  • 19 Mai 2021, 16h (online): Seminar by Dr Juliane Mai (University of Waterloo), Application of Parameter Screening to Derive Optimal Initial State Adjustments for Streamflow Forecasting. Post on Twitter.
  • 19 – 30 April 2021: Our researchers are joining vEGU21. You can find here [Participation_ EGU2021] the list of abstracts (vPICOs) of the HYDRO team at Antony, as well as the sessions they organize this year.
  • 19 April 2021, the partners of the project ANR PICS contribute to the News INSU CNRS (MISTRALS research programme): Payrastre, O., O. Caumont, B. Janet, P. Javelle, D. Lague, J-P. Naulin, D. Moncoulon, F. Pons, M-H. Ramos, I. Ruin, Better anticipate Mediterranean flash floods and their impacts, 19 April 2021 [in French].
  • 9 April 2021, 14h (online): PhD defence of Paul Royer-Gaspard (INRAE Antony/Sorbonne Université), “Improving the robustness of hydrological models in varying climatic conditions” [in French]. Résumé/abstract.
  • 7 April 2021, 11h (online): Seminar by Laurène Bouaziz (Deltares), Behind the scenes of streamflow model performance.
  • 12 March 2021, 14h (online): PhD defence of Daniela Peredo (INRAE Antony/Sorbonne Université), “What gains from adapting a hydrological model and using an ensemble forecasting approach for the forecasting of flash floods?” [in French]  Read More


  • 29 May 2020, 9h (online): PhD defence of Manon Cassagnole (INRAE Antony/AgroParisTech), “Analysis of the link between the quality of hydrological forecasts and their economic value for the hydropower sector” [in French].
  • Monday 6 January 2020: Interview of Vazken Andréassian in the RMC documentary “La science des forces de la nature – Inondations” (in French only)
  • 5 October 2019: Participation of Guillaume Thirel to the fête de la Science at forum des Halles in Paris : “Et si l’Île-de-France était engloutie sous les eaux ? | Guillaume Thirel – Science En Direct”
  • 24 September 2019: Participation of Guillaume Thirel to a EGU HS blog post: “Hydrologists Join Youth-Led #GlobalClimateStrike” 
  • Tuesday 10 September 2019, 14h, Room Chenu : Seminar “Water and multidisciplinarity: examples of practical studies”. The HYDRO team welcomes three visiting scientists. They will be presenting the following: Amaury Tilmant (Université Laval, Québec), Analyzing the relationship between statistical scores and the economic performance of probabilistic hydrologic forecasts; Nicolas Avisse (Université Laval, Québec), Quantitative Assessment of Contested Water Uses and Management in the Conflict- Torn Yarmouk Basin; Ilias Pechlivanidis (SMHI, Norrköping, Suède), Large-scale hydrological services: challenges and opportunities for the co-evolution of knowledge (abstracts).
  • 17 August 2019: Radio Interview of Vazken Andréassian regarding the current drought on the RTL morning broadcast: link (between 01:08:45 and 01:09:30) 
  • Wednesday 5 June 2019, 10h, Room Loing: Seminar of Laurène Bouaziz, PhD Candidate at Deltares / TU Delft, The Netherlands, Hydrological modelling of the Meuse River basin.
  • Thursday 18 April 2019, 11h, Room Seine: Seminar of Céline Cattoën-Gilbert, Hydrological Forecasting Scientist, National Institute of Water & Atmospheric Research Ltd (NIWA), Forecasting flows, flood and hazards in New Zealand Read More
  • Thursday 10 January, 14h, Room Seine: Seminar of Paulina Lopez-Alarcon, Understanding interstate hydro-political tensions from general patterns to spatio-temporal contextualities.


  • Tuesday 27 November 2018: PhD defence of Léonard Santos (Irstea Antony), Que peut-on attendre des Super Modèles en hydrologie ? Évaluation d’une approche de combinaison dynamique de modèles pluie-débit. Lieu : AgroParisTech, Paris.
  • Monday 26 November 2018: PhD defence of Cédric Rebolho (Irstea Antony), Modélisation conceptuelle de l’aléa inondation à l’échelle du bassin versant. Lieu : Irstea, 1 rue Pierre-Gilles de Gennes, 92761 Antony, salle Galilée.
  • Tuesday 6 November: Article on airGRteaching in the valorisation newsletter of Irstea (ft. Olivier Delaigue and Guillaume Thirel). Newsletter (page 3).
  • Friday 26 October: Interventions by Guillaume Thirel during the School for Young Scientists, at the Water Problem Institute in Moscow. Seminar Hydrology of ungauged catchments, Workshop Hydrological modelling with the GR rainfall-runoff models.
  • Monday 15 October: Interview of Guillaume Thirel by CERDD in a small video about the link between water, biodiversity and climate. Video.
  • Sunday 14 October: Participation of the HYDRO team (with Lila Collet, Charles Perrin, Anthony Lemoine, Paul Royer-Gaspard, Guillaume Thirel and Nathalie Touze) to the Fête de la Science at Antony. Demonstration of the water cycle with a model and visualisation of the impact of climate change on floods and droughts with an artistic installation and posters.
  • Thursday 9 August: Interview of Lila Collet for the TV news of RTL on drought and flood risk (mp3)
  • Tuesday 19 June: Presentation and round table live streaming with participation of Guillaume Thirel during a Water and Biodiversity event organised by CERDD Live streaming.
  • Tuesday 12 June: Live interview of Charles Perrin on BFMTV.
  • Tuesday 12 June: Interview of Vazken Andréassian in the news on TF1.
  • Tuesday 22 May, 14h30, room Loing: Seminar of Thibault Hallouin, University of Dublin: “Utilisation d’un modèle pluie-débit pour l’écohydrologie en Irlande”
  • Sunday 29 April: Interview of Vazken Andréassian in The Conversation: « Jour zéro » : du Cap à São Paulo, les grandes villes face à la pénurie d’eau.  
  • Thursday 26 April: Interview of Guillaume Thirel in the News of the Irstea website: Impact du changement climatique sur les affluents français du Rhin : les débits futurs actualisés.  
  • Monday 23 April, 11h, Room Galilée: Seminar by Keirnan Fowler, researcher at Université of Melbourne ( : « Towards improved rainfall-runoff modelling in changing climate ». Read More
  • Friday 20 April, 14h, Room Seine: Seminar of Mathilde Chauveau, engineer at BRLi ( : « Estimation de l’hydrologie du bassin du Congo à grande échelle pour la modélisations des impacts techniques de grands projets d’aménagements ».
  • Monday 16 April 2018, 11h, Room Seine: Seminar of David Robertson (Principal Research Scientist – Water Forecasting Land and Water, CSIRO, Australia), “Toward accurate and reliable 7-day ensemble streamflow forecasts for Australia”.
  • Thursday 12 April: Interview of Maria-Helena Ramos on “Games in Geosciences” for  Radio Dutch 1 (recorded at the EGU GA in Vienna, by Rolf Hut). Here.
  • Monday 9 April: Interview of Guillaume Thirel in the News of the Irstea website: Hydrologie de montagne : améliorer la prévision des débits en prenant mieux en compte la neige.
  • Friday 6 April 2018, at 13h30, Room Astier, building Esclangon, Campus Jussieu, Paris : Habilitation defence of Maria Helena Ramos : « Quality and value of hydrological ensemble forecasts ». Summary.
  • Thursday 5 April, at 11h, Room Seine: Seminar of Luc Descroix, Senior researcher at IRD, “Changements d’usage des sols, changements climatiques et hydrologie en Afrique de l’Ouest sahélo-soudanienne: paradoxes et contrastes régionaux”.
  • Thursday 22 March 2018: Interview of Guillaume Thirel in an article of the Ain Agricole : ZOOM SUR —FONTE DES NEIGES : Quel impact sur les crues de printemps ? 
  • Wednesday 21 March 2018: Interview of Vazken Andréassian, in “Trois minutes pour la planète” of Radio Classique on the multiplication of water shortages in big cities. 
  • Tuesday 20 February, Room Galilée 1&2: Seminar NIRE (Japon) & Irstea Antony (France) Read More
  • January, media interventions during the River Seine floods: following high precipitations during two months (more than 200 mm), many floods occurred on the River Seine and its tributaries. Researchers of our team answered to several media sollicitations for explaining these phenomena.
  • Friday 12 January 2018: PhD defence of Philippe Riboust (Irstea Antony and UPMC), From snow to streamflow: on a better constraint and representation of snow in models. Venue: Université Pierre et Marie Curie (UPMC), 4 Place Jussieu, 75005 Paris, Amphithéâtre 55B. Read More
  • Thursday 11 January 2018, 15h: Seminar of Massimiliano Zappa (WSL, Switzerland), HEPS challenges in mountainous areas, Room Seine, Irstea, Antony.
  • Saturday 6 January 2018: Intervention of Vazken Andréassian in an article of France Info on the Seine River flood, Intempéries : la crue de la Seine à Paris “n’est pas du tout exceptionnelle”.


  • Friday 15 December 2017, 11h15: Seminar of Fernando Neves Lima (UFMG, Brésil), Joint calibration of hydrological model and rating curve parameters for flash flood events, Room Seine Irstea Antony
  • Friday 15 December 2017, 10h30: Seminar of Jean-Emmanuel Paturel (IRD, France), Travaux de modélisation en Afrique de l’Ouest, Room Seine Irstea Antony.
  • Friday 27 October 2017, 11h: Seminar of Alberto Assis dos Reis (Cemig, Brésil), Ensemble Seasonal Streamflow Forecast for Hydropower in Brazil, salle Loing Irstea Antony. Read More
  • 8 October 2017: Participation of Cédric Rebolho to Esprit Sorcier during the Fête de la Science, presentation of a mystery item: video.
  • September 2017: Participation of Guillaume Thirel to the Rock-Head Sciences: A Day in the Geolife Series blog: link.
  • July 2017: Video of Vazken Andréassian, Resilient Cities | Flooding: Exploring Early Warning Systems | Ep#2 | AXA Research Fund: link.
  • 10 juin 2017: Video of Cedric Rebolho, Inondations: que peut la recherche ? Retour sur la crue de la Seine de juin 2016: link.
  • Monday 15 May 2017, 11h15: Seminar of Xavier Litrico (LyRE SUEZ). A web based tool for operational real-time flood forecasting using data assimilation to update hydraulic states. Read More
  • Wednesday 10 May 2017, 11h00: Seminar of Margarita Saft (University of Melbourne). International investigation of climate-runoff response long-term dynamics. Read More
  • Monday 20 March, 10h00: Seminar of Simone Gabellani & Lauro Rossi (CIMA Research Foundation), Research activities at CIMA in hydrometeorology. Irstea Antony. Résumé/Abstract : Read More
  • Wednesday 22 March, 13h30: PhD defense of Angélica Caseri (Irstea Aix-en-Provence and Irstea Antony), “Contribution of geostatistical conditional simulation to ensemble rainfall nowcasting and flash flood warning”. Venue: Irstea Centre d’Antony, 1 rue Pierre-Gilles de Gennes – ANTONY. Room Galilée. Résume/abstract.
  • February 2017: Videos of Maria-Helena Ramos on building and evaluating European H2020 projects: first video, second video.
  • Monday 27 February, 10h15: Hydrological Seminar. Université Pierre et Marie Curie (UPMC), 4 Place Jussieu, 75005 Paris. Salle de conférence l’UFR Terre Environnement Biodiversité (TEB),  Tour 56-46, 2ème étage
    • Prof. Hubert Savenije, Delft University of Technology, Modelling catchments as living organisms AbstractRead More
    • Prof. Marco Borga, University of Padova, Integrating hydropower and variable renewable energies: a call for hydrology AbstractRead More
  • Monday 27 February, 13h30:  PhD defense of Andrea Ficchi (Irstea Antony), An adaptive hydrological model for multiple time-steps: Diagnostics and improvements based on fluxes consistency. Venue: Université Pierre et Marie Curie (UPMC), 4 Place Jussieu, 75005 Paris, Salle de Conférences de l’UFR TEB (tours 46-56, étage 2). Read More
  • Friday 24 February, 11h: Seminar of Jean Marçais (Laboratoire Géosciences Rennes), Room Galiléé. Intégration de données hétérogènes pour modéliser et évaluer l’impact de la morphologie sur la qualité de l’eau. Read More
  • Thursday 5 January, 11h: Seminar of Dennis Hallema (U.S. Department of Energy/Forest Service, USA), Room Seine. Hydrological modelling of the impacts of forest fires on hundreds of catchments in the USA.


  • Friday 9 December, 11h: Seminar of Ashish Sharma (Australia), Room Condorcet 1er étage. Estimating design floods in a warming climate – gaps, challenges, and the way forward. Read More
  • Wednesday 16 November, 14h, Room Galilée 1&2: Seminar NIRE (Japon) & Irstea Antony (France) Read More
  • Thursday 10 November, 15h, Room Seine:

    • Seminar of Cuan Petheram (CSIRO, Australia), To irrigate or not to irrigate? That is the question!
    • Seminar of François Anctil (Université Laval, Québec, Canada), ÉVAP : un projet favorisant la modélisation hydrologique avec bilan d’énergie.
    • Seminar of Gaia Piazzi (CIMA, Genova, Italy), Snow multivariable data assimilation for hydrological predictions in mountain areas. Read More
  • Tuesday 8 November, 14h: PhD Defense of Carine Poncelet (Irstea Antony), From catchment to parameter: how far can the regionalization of a conceptual hydrological model go? Room Galilée @ Irstea, 1 rue Pierre-Gilles de Gennes, Antony.
  • Thursday 20 October, 10h: Seminar of Fulvia Baratelli (Centre de Géosciences, Mines ParisTech), Modelling of hydric fluxes between rivers and groundwater at the regional scale: application to the Loire basin and to the Seine estuary. Room Galilée 1&2.
  • Monday 10 October, 10h: Seminar of Kai Gerlinger (HYDRON, Karlsruhe, Germany), Application of the LARSIM hydrological model for operational forecasting of streamflows and for simulation of climate change impacts. Room Galilée 1&2.
  • Tuesday 4 October, 14h: Seminar of Ansoumana Bodian (Université Gaston Berger, Saint Louis, Sénégal), Impacts of the variability of climate changes on the water resources of the main river basins of Senegal. Room Seine.
  • Friday 24 June, 11h: Seminar of Wouter Berghuijs (University of Bristol, UK), Large sample hydrology for understanding catchment similarity. Meeting room in the Monod Building.
  • Wednesday 4 May, 11h: Seminar of David Wright (University of Adelaide, Australia), Application of generalised influence diagnostics to assess the impact of objective function choice on hydrological model calibration. Salle Galilée 1&2. Read More
  • Tuesday 3 May, 11h: Seminar of Dr Murray Peel (Melbourne School of Engineering, Australia), Long-term streamflow projections: A summary of recent results from the Millennium Drought, Room Galilée 1&2. Read More
  • Monday 2 May, 11h: Seminar of Marie-Amélie Boucher (UQAC, Canada), Meteorological ensemble forecasts for hydrology: can we out-perform a sophisticated analog-based system?, Room Galilée 1&2. Read More
  • Friday 29 April, 14h: PhD Defense of Louise Crochemore (Irstea Antony). Seasonal streamflow forecasting for reservoir management. Room: Amphithéâtre 7, AgroParisTech, 19 avenue du Maine, Paris. Read More
  • Thursday 28 April, 14h: Seminar of Christian Zammit (NIWA, New Zeland), Research activities on Hydrological Processes and Water Resources at NIWA (National Institute of Water and Atmospheric Research), Room Lavoisier – Seine Read More
  • Wednesday 13 and Thursday 14 April: PhD Days of the Graduate School “Gestion des Ressources Naturelles (GRN)”, Mines de Paris (programme) Read More
  • Wednesday 13 April, 10h: Seminar of Alban de Lavenne (Irstea, Antony), Development of the semi-distributed rainfall-runoff model GRSD, Room Lavoisier – Marne
  • Tuesday 12 April , 10h: Seminar of Martyn Clark (NCAR, Boulder, USA), Why do supermodels behave badly?, Room Galilée 1&2 Read More
  • Tuesday 12 April, 11h: Seminar of Léonard Santos (Irstea, Antony), Transferability of the SUMO (SUper MOdel) methodology from climatology to hydrology : example with the conceptual model GR4J, Room Galilée 1&2