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Guillaume Thirel

Scientist, Research associate in Hydrology
Personnal page cemadoc link

Competences fields

Hydrological modelling

Hydrological ensemble forecasting

Data assimilation

Climate change impact

Non-stationarities

Snowmelt modelling

Remote sensing data


Supervision

Postdoctorat :

2015 - ongoing: Alban de Lavenne: Towards a hydrological modelling taking into account the blue and green water components of water resources.

 

PhD Theses :

2016 - ongoing: M. Cassagnole (AgroParisTech, main supervision by Maria Helena Ramos): Analysis of the link between the quality of hydrological forecasts and their economic value: case study of the hydropower sector.

2016 - 2017: Visiting PhD Gaia Piazzi (Cima Research Foundation, Italie, encadrement Simone Gabellani) : Estimation of Snow Water Equivalent using Data Assimilation.

2015 - ongoing: Léonard Santos (AgroParisTech) : Hydrological model coupling: the 'SUper MOdels' approach (SUMOs).

2014 - ongoing: Philippe Riboust (AgroParisTech, collaboration UPMC) : Valorisation of point measure data and satellite observations of snow cover for the parameterization and validation of hydrological models in mountain areas.

 

M.Sc. or equivalent:

2017: Master thesis, Sofia Mata (UPMC Paris VI). airGR, a package for hydrological modelling to improve? Evaluation on many catchments. Main supervision by Olivier Delaigue [PDF].

2016: Master thesis, Jeff Norville (Univ. Paris-Sud XI Orsay): Development of a Verication Scoreboard Utility for Hydrological Forecasts.

2016: Master thesis, Manon Cassagonle (UPMC, Paris VI): Study on the link between the quality of hydrological forecasts and their economic value: case study of the hydropower sector [PDF].

2016: Master 1, Imane Haddadi (Univ. Clermont Ferrand II). Significance statistical tests applied to hydrology. 53p. Co-supervision with Olivier Delaigue. [PDF]

2015: Master thesis, José Manuel Tunqui Neira (UPMC Paris VI). The SUMO (SUper MOdels) for hydrology? 63p. [PDF]

2015: Master thesis, Franck Masclet (UPMC Paris VI). impact study of a hysteresis for the CemaNeige snow module. 50p. [PDF]

2014: Master thesis, Cindy Gosset (Univ. Orsay). Utilisation of snow satellite data for a rainfall-runoff model snow module calibration 63p. [PDF].

2014: Master 1, Madeleine Nicolas (UPMC Paris VI). Impact of climate change on 21st century discharges over France : an assessment with the new IPCC projections (CMIP5) and the Irstea hydrological model (GR). 40p. [PDF].

 

Current and past projects

Current projects:

AQUACLEW - Advancing Quality of Climate Services for European Water. 2017-2020. JPI-ERA4CS / ANR funding.

CHIMERE 21 - CHIers - MEuse hydrological Regime Evolution in the 21st century. 2017-2019. Agence de l'Eau Rhin-Meuse funding. Project scientific coordinator.

H2020 IMPREX (Research project, European Commission) (2015-2019), IMproving PRedictions and management of hydrological EXtremes.

MOSARH21 - Evolutions des débits futurs sur le bassin du Rhin en contexte de changement climatique. Une évaluation actualisée s’appuyant sur les simulations climatiques issues du 5ème rapport d’évaluation du GIEC. 2015-2016. Agence de l'Eau Rhin-Meuse funding. Project scientific coordinator.

 

Past projects:

R²D² - Risque, Ressource en eau et gestion Durable de la Durance en 2050 (final report). 2011-2014. GICC funding.

Climaware - Impacts of climate change on water resources management – regional strategies and European view (final report). 2011-2013. IWRM-Net funding.

Professional experience

Awards:

2016 Tison award for the article G. Thirel, V. Andréassian, C. Perrin, J.-N. Audouy, L. Berthet, P. Edwards, N. Folton, C. Furusho, A. Kuentz, J. Lerat, G. Lindström, E. Martin, T. Mathevet, R. Merz, J. Parajka, D. Ruelland & J. Vaze (2015) Hydrology under change: an evaluation protocol to investigate how hydrological models deal with changing catchments, Hydrological Sciences Journal, 60:7-8, 1184-1199, DOI: 10.1080/02626667.2014.967248.

The EFAS team receives the IES Excellence Award for 'Support to EU Policy' for 2011.

 

Conferences organisation:

Main convener of session Snow hydrology: Monitoring and modeling of snow of EGU 2018.

Co-convener of session Using R in Hydrology of EGU 2018.

Co-convener of session Novel techniques that worked or failed in teaching hydrology - teachers and students stories of EGU 2018.

Main convener of session Mountains and snow: Monitoring and modeling of snow of EGU 2017.

Co-convener of session Mountain Hydrology: Monitoring and modeling of snow of EGU 2016.

Organisation (and co-convener) of the workshop on non-stationary catchments during the IAHS 2013 General Assembly http://non-stationarities.irstea.fr (see the related HSJ special issue http://www.tandfonline.com/toc/thsj20/60/7-8).

 

PhD committees:

2016 - 2019 : Alexandre Devers : Vers une réanalyse hydrométéorologique à l'échelle de la France sur les 150 dernières années par assimilation de données dans les reconstructions ensemblistes SCOPE, supervised by Jean-Philippe Vidal, Claire Lauvernet (Irstea Lyon) and Benjamin Graff (CNR).

2016 - 2019 : Ivan Horner : Diagnostic-Evaluation of distributed models using hydrological signatures: building up a multi-scale methodology including observational uncertainty, supervised by Flora Branger and Isabelle Braud (Irstea Lyon).

2013 - 2016 : Laurie Caillouet : Reconstruction hydrométéorologique des étiages historiques en France entre 1871 et 2012, supervised by Éric Sauquet, Jean-Philippe Vidal (Irstea Lyon) and Benjamin Graff (CNR).

 

Positions

2016 - present: Convener of the mountain hydrology session at EGU.

2015 - present: Associate Editor for the Hydrological Sciences Journal.

2014 - present: occasional lecturer (EIVP, Univ. Orsay).

2012 - present: Scientist, Research associate in Hydrology

2009 - 2012: Postdoctorat at the Joint Research Centre (JRC, Italie) on the EFAS flood forecasting system (European Flood Awareness System).

2006 - 2009: PhD at Centre National de Recherches Météorologiques (CNRM-GAME) : Improvement of the SAFRAN-ISBA-MODCOU ensemble streamflows predictions over France - Manuscript

 

Reviewer for the peer-reviewed journals (MAJ 10/2016) : Hydrology and Earth System Sciences (7), Journal of Hydrology (5), Journal of Hydrometeorology (2), Meteorologische Zeitschrift (1), Atmospheric Research (1), Advances in Geosciences (1), Journal of River Basin Management (1), Quarterly Journal of the Royal Meteorological Society (2), Hydrological Sciences Journal (2), International Journal of Water Sciences (1), Remote Sensing (2), Journal of Geophysical Research - Atmospheres (1), Water Resources Research (2), Water (1), Hydrology Research (1), Science of the Total Environment (1), Environmental Engineering and Management Journal (1), Advances in Meteorology (1), Advances in Water Resources (1), Revue des Sciences de l'Eau (1).

 

Guest Editor for the Hydrological Sciences Journal (special issue "Modelling temporally-variable catchments"): http://www.tandfonline.com/toc/thsj20/60/7-8.

Publications

ORCID: 0000-0002-1444-1830

Scopus: 26533302300

 

Accepted :

Riboust, P., Thirel, G., Le Moine, N., and Ribstein, P.: Revisiting a simple degree-day model for integrating satellite data: implementation of SWE-SCA hystereses. Journal of Hydrology and Hydrodynamics, accepted, 2017.

 

Published:

Coron, L., Thirel, G., Delaigue, O., Perrin, C., Andréassian, V., 2017: The Suite of Lumped GR Hydrological Models in an R package, Environmental Modelling & Software, 94, 166-171, DOI: 10.1016/j.envsoft.2017.05.002.

de Boer-Euser, T., Bouaziz, L., De Niel, J., Brauer, C., Dewals, B., Drogue, G., Fenicia, F., Grelier, B., Nossent, J., Pereira, F., Savenije, H., Thirel, G., and Willems, P., 2017: Looking beyond general metrics for model comparison – lessons from an international model intercomparison study, Hydrol. Earth Syst. Sci., 21, 423-440, doi:10.5194/hess-21-423-2017.

Dorchies, D., G., Thirel, C., Perrin, J.-C., Bader, R., Thepot, J.-L., Rizzoli, C., Jost, S., Demerliac. Climate change impacts on water resources and reservoir management in the Seine river basin (France), La Houille Blanche, (5), 32-37, 2016, Article.  

Sauquet, E., Y., Arama, E., Blanc-Coutagne, H., Bouscasse, F., Branger, I., Braud, J.-F., Brun, J., Cherel, T., Cipriani, T., Datry, A.,  Ducharne, F., Hendrickx, B., Hingray, F., Krowicki, I., Le Goff, M., Le Lay, C., Magand, F., Malerbe, T., Mathevet, A., Mezghani, C., Monteil, C.,  Perrin, P., Poulhe, A., Rossi, R., Samie, P., Strosser, G., Thirel, F., Tilmant, J.-P., Vidal. Le partage de la ressource en eau sur la Durance en 2050 : vers une évolution du mode de gestion des grands ouvrages duranciens ? La Houille Blanche, (5), 25-31, 2016, Article.

Thirel. G., V. Andréassian, C. Perrin: Editorial: On the need to test hydrological models under changing conditions, Hydrological Sciences Journal, 60:7-8, pages 1165-1173, DOI: 10.1080/02626667.2015.1050027, 2015 - Article.

Thirel, G., V. Andréassian, C. Perrin, J.-N. Audouy, L. Berthet, P. J. Edwards, N. Folton, C. Furusho, A. Kuentz, J. Lerat, G. Lindström, E. Martin, T. Mathevet, R. Merz, J. Parajka, D. Ruelland and J. Vaze. Hydrology under change. An evaluation protocol to investigate how hydrological models deal with changing catchments. Hydrological Sciences Journal, 60:7-8, pages 1184-1199, DOI: 10.1080/02626667.2014.967248, 2015 - Article.

Coustau M., F. Regimbeau, G. Thirel, F. Habets, B. Janet, E. Martin, C. de Saint-Aubin, J.-M. Soubeyroux: Impact of improved meteorological forcing, soil physics and data assimilation on an operational Hydrological Ensemble Forecast System over France, Journal of Hydrology, 525, Pages 781-792, ISSN 0022-1694, DOI: 10.1016/j.jhydrol.2015.04.022, 2015 - Article.

Randrianasolo A., G. Thirel, M.-H. Ramos, E. Martin: Impact of streamflow data assimilation and length of the verification period on the quality of short-term ensemble hydrologic forecasts, Journal of Hydrology, 519, Part D, 2676–2691, DOI: 10.1016/j.jhydrol.2014.09.032, 2014 - Article.

Bourgin F., M.-H. Ramos, G. Thirel and V. Andréassian : Investigating the interactions between data assimilation and post-processing in hydrological ensemble forecasting, Journal of Hydrology, 519, Part D, 2775–2784, DOI: 10.1016/j.jhydrol.2014.07.054, 2014 - Article.

Dorchies D., G. Thirel, M. Jay-Allemand, M. Chauveau, P.-Y. Bourgin, F. Dehay, C. Perrin, C. Jost, J.-L. Rizzoli, S. Demerliac and R. Thépot : Climate change impacts on multi-objective reservoir management: case study on the Seine River basin, France, The International Journal of River Basin Management, 1, 19, DOI: 10.1080/15715124.2013.865636, 2014 - Article.

Thirel G., P. Salamon, P. Burek and M. Kalas: Assimilation of MODIS Snow Cover Area data in a distributed hydrological model using the particle filter, Remote Sensing, 5, no. 11: 5825-5850, DOI: 10.3390/rs5115825, 2013 - Article.

Trinh B.N., J. Thielen-del Pozo and G. Thirel: The Reduction continuous Rank Probability Score for evaluating discharge forecasts from Hydrological Ensemble Prediction Systems, Atmospheric Science Letters, Volume 14, Issue 2, pages 61-65, DOI: 10.1002/asl2.417, April/June 2013 - Article.

Thirel G., C. Notarnicola, M. Kalas, M. Zebisch, T. Schellenberger, A. Tetzlaff, M. Duguay, N. Moelg, P. Burek, and A. de Roo: Assessing the quality of a real-time Snow Cover Area product for hydrological applications, Remote Sensing of Environment, Volume 127, December 2012, Pages 271-287, ISSN 0034-4257, DOI: 10.1016/j.rse.2012.09.006, 2012 - Article.

Thirel G.: Assimilation de débits observés pour des prévisions hydrologiques probabilistes sur la France (Assimilation of observed discharges for hydrological probabilist forecasts over France), La Houille Blanche, N°2-2011, pp. 87-90, DOI: 10.1051/lhb/2011025, 2011 - Article.

Thirel G., E. Martin, J.-F. Mahfouf, S. Massart, S. Ricci, F. Habets: A past discharges assimilation system for ensemble streamflow forecasts over France – Part 1: Description and validation of the assimilation system, Hydrol. Earth Syst. Sci., 14, 1623-1637, doi:10.5194/hess-14-1623-2010, 2010 - Article.

Thirel G., E. Martin, J.-F. Mahfouf, S. Massart, S. Ricci, F. Regimbeau, F. Habets: A past discharge assimilation system for ensemble streamflow forecasts over France – Part 2: Impact on the ensemble streamflow forecasts, Hydrol. Earth Syst. Sci., 14, 1639-1653, doi:10.5194/hess-14-1639-2010, 2010 - Article.

Randrianasolo A., M.H. Ramos, G. Thirel, V. Andréassian, E. Martin: Impact of the use of two different hydrological models on the scores of hydrological ensemble forecasts, Atmospheric Science Letters, Volume 11, Issue 2, pages 100–107, DOI: 10.1002/asl.259, 2010 - Article.

Thirel G., F. Regimbeau, E. Martin, J. Noilhan, F. Habets: Short and medium-range hydrological ensemble forecasts over France, Atmospheric Science Letters, Volume 11, Issue 2, pages 72–77, DOI: 10.1002/asl.254, 2010 - Article.

Martin E., G. Thirel, F. Regimbeau, F. Habets, J. Noilhan, L. Franchistéguy, J.-M. Soubeyroux: Vers une prévision d'ensemble des débits à l'échelle des grands bassins français (Toward an ensemble streamflow prediction system at the scale of major French catchments), La Houille Blanche, N°5, pp. 88-94, DOI: 10.1051/lhb/2009060, 2009 - Article (in French).

Thirel G., F. Rousset-Regimbeau, E. Martin, and F. Habets: On the Impact of Short-Range Meteorological Forecasts for Ensemble Streamflow Predictions, Journal of HydroMeteorology, 9, 1301–1317, DOI: 10.1175/2008JHM959.1, 2008 - Article.

 

Book chapter:

Thirel G. and C. Perrin. Chapitre 19, Impact du changement climatique sur le bassin de l'Orgeval à l'horizon 2050, dans L'observation long terme en environnement, Exemple du bassin versant de l'Orgeval, Editions QUAE, C. Loumagne et G. Tallec, coordinatrices, 2013.

 

Conference proceedings:

de Lavenne, A.,  Thirel, G., Andréassian, V., Perrin, C., Ramos, M.-H., 2016. Spatial variability of the parameters of a semi-distributed hydrological model. 7th International Water Resources Management Conference of ICWRS, Bochum, May 2016, Proc. IAHS, 373, 87-94, doi:10.5194/piahs-373-87-2016, 2016.

Combien de barrages faudrait-il construire en France d'ici 2050 pour compenser l'impact du changement climatique sur les ressources en eau, V. Andreassian, G. Thirel, J. Margat. Les tensions sur l'eau en Europe et dans le bassin méditerranéen : des crises de l'eau d'ici 2050? 7-9 October 2015 - Proceedings.

Le partage de la ressource en eau sur la Durance en 2050 : vers une remise en cause du mode de gestion actuel des grands ouvrages duranciens ? Sauquet E., Arama Y., Blanc-Coutagne E., Bouscasse H., Branger F., Braud I., Brun J.-F., Cherel J., Cipriani T., Datry T., Ducharne A., Hendrickx F., Hingray B., Krowicki F., Le Goff I., Le Lay M., Magand C., Malerbe F., Mathevet T., Monteil C., Perrin C., Poulhe P., Rossi A., Samie R., Strosser P., Thirel G., Tilmant F., Vidal J.-P. Les tensions sur l'eau en Europe et dans le bassin méditerranéen : des crises de l'eau d'ici 2050? 7-9 Octobre 2015 - Proceedings.

Impact du changement climatique sur la ressource en eau et la gestion des lacs-réservoirs du bassin de la Seine (France), D. Dorchies, G. Thirel, C. Perrin, R. Thépot, J.-L. Rizzoli, C. Jost, S. Démerliac. Les tensions sur l'eau en Europe et dans le bassin méditerranéen : des crises de l'eau d'ici 2050? 7-9 Octobre 2015 - Proceedings.

Evolutions des débits futurs sur le bassin du Rhin en contexte de changement climatique - Une évaluation actualisée s'appuyant sur les simulations climatiques issues du 5ème rapport d'évaluation du GIEC. G. Thirel, C. Perrin, G. Drogue, K. Gerlinger, J.-P. Wagner. Les tensions sur l'eau en Europe et dans le bassin méditerranéen : des crises de l'eau d'ici 2050? 7-9 Octobre 2015 - Proceedings.

Andréassian, V., J. Margat, G. Thirel and P. Hubert. What part of natural flow can be considered a 'water resource'? In HYDROLOGICAL SCIENCES AND WATER SECURITY: PAST, PRESENT AND FUTURE, IAHS Publication, Volume: 366, Pages: 86-92, 2015.

Thirel

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