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24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

Menu Logo Principal

Home page

Benjamin Renard

Chargé de recherche en Hydrologie Statistique


Domaine de compétence

Hydrologie & Sciences Environnementales

Quantification des incertitudes

Modélisation hydrologique conceptuelle

Impact de la variabilité climatique sur les régimes hydrologiques

Crues et étiages

Analyse fréquentielle aux échelles locale et régionale


Analyse Bayesienne

Modélisation hiérarchique

Méthodes MCMC

Théorie des valeurs extremes

Dépendances dans un cadre non-Gaussien


2006 :  Doctorat en Hydrologie. Institut National Polytechnique de Grenoble, France.

Expérience Professionelle

depuis septembre 2008

Chargé de recherche en Hydrologie, Cemagref, Lyon, France

fevrier 2007 - septembre 2008

Chercheur associé, The University of Newcastle, Australie

octobre - décembre 2006

Chercheur associé, Université Montpellier II, France

octobre 2003 - octobre 2006

Doctorant, Cemagref, Lyon, France

avril 2001 - aout 2002

Assistant de recherche (Volontariat à l'aide technique, service national),  Institut National de la Recherche Agronomique (INRA), Guadeloupe, France

avril - septembre 2000

Stagiaire, INRA Guadeloupe, France


Prix Henri Milon 2007 (Société Hydrotechnique de France)

Prix de vulgarisation scientifique 2008 (Institut pour la maitrise des risques)


Valeurs extremes et analyse fréquentielle

Renard, B., K. Kochanek, M. Lang, F. Garavaglia, E. Paquet, L. Neppel, K. Najib, J. Carreau, P. Arnaud, Y. Aubert, F. Borchi, J. M. Soubeyroux, S. Jourdain, J. M. Veysseire, E. Sauquet, T. Cipriani, and A. Auffray - 2013. Data-based comparison of frequency analysis methods: A general framework, Water Resources Research, vol. 49.

Renard, B., X. Sun, and M. Lang - 2013. Bayesian methods for non-stationary extreme value analysis, in: Hydrologic Extremes in a Changing Climate - Detection, Analysis & Uncertainty, edited by S. Sorooshian, D. Easterling, A. AghaKouchak, S. Schubert and K. Hsu.


Garavaglia, F., M. Lang, E. Paquet, J. Gailhard, R. Garcon, and B. Renard - 2011. Reliability and robustness of a rainfall compound distribution model based on weather pattern sub-sampling, Hydrology and Earth System Sciences., vol. 15, n° 2, 519-532.


Neppel, L., B. Renard, M. Lang, P. A. Ayral, D. Coeur, E. Gaume, N. Jacob, O. Payrastre, K. Pobanz and F. Vinet - 2010. Flood frequency analysis using historical data: accounting for random and systematic errors. Hydrological sciences Journal, vol. 55, n° 2

Lang, M., K. Pobanz, B. Renard, E. Renouf and E. Sauquet - 2010. Extrapolation of rating curves by hydraulic modelling and its relative impact on flood frequency analysis with historical data. Hydrological sciences Journal. vol 55, n° 6.

Renard, B., Lang, M. - 2007. Use of a Gaussian copula for multivariate extreme value analysis: some case studies in hydrology. Advances in Water Resources, vol. 30, p. 897 - 912


Renard, B., Garreta, V., Lang, M. - 2006. An application of Bayesian analysis and Markov chain Monte Carlo methods to the estimation of a regional trend in annual maxima. Water resources research, vol. 42


Renard, B., Lang, M., Bois, P. - 2006. Statistical analysis of extreme events in a nonstationary context via a Bayesian framework. Case study with peak-over-threshold data. Stochastic environmental research and risk assessment, vol. 21, n° 2, p. 97 - 112



Incertitudes en modélisation hydrologique

Renard, B., D. Kavetski, E. Leblois, M. Thyer, G. Kuczera, and S. W. Franks - 2011. Towards a reliable decomposition of predictive uncertainty in hydrological modeling: Characterizing rainfall errors using conditional simulation, Water Resources Research, vol. 47.


Kuczera, G., D. Kavetski, B. Renard and M. Thyer - 2010. A limited-memory acceleration strategy for MCMC sampling in hierarchical Bayesian calibration of hydrological models. Water Resources Research. vol. 46.

Kuczera, G., B. Renard, M. Thyer and D. Kavetski - 2010. There are no hydrological monsters, just models and observations with large uncertainties! Hydrological sciences Journal, vol. 55, n° 6.

Engeland, K., B. Renard, I. Steinsland and S. Kolberg - 2010. Evaluation of statistical models for forecast errors from the HBV model. Journal of Hydrology, vol. 384, p. 142 - 155

Renard, B., Kavetski, D., Thyer, M., Kuczera, G., Franks, S. - 2009. Understanding predictive uncertainty in hydrologic modeling: The challenge of identifying input and structural errors. Water Resources Research, vol. 46.


Thyer, M., Renard, B., Kavetski, D., Kuczera, G., Franks, S., Srikanthan, S. - 2009. Critical evaluation of parameter consistency and predictive uncertainty in hydrological modeling: A case study using Bayesian total error analysis. Water Resources Research, vol. 45

Renard, B., Kavetski, D., Kuczera, G. - 2009. Comment on "An integrated hydrologic Bayesian multimodel combination framework: Confronting input, parameter, and model structural uncertainty in hydrologic prediction. " by N. K. Ajami, Q. Y. Duan, and S. Sorooshian. Water Resources Research, vol. 45



Variabilité et changement climatique, détection de tendance

Giuntoli, I., B. Renard, J. P. Vidal, and A. Bard - 2013. Low flows in France and their relationship to large scale climate indices, Journal of Hydrology. In press

Bard, A., B. Renard, and M. Lang - 2012. Floods in the Alpine Areas of Europe, in: Changes in flood risk in Europe, edited by Z. W. Kundzewicz, IAHS Press.

Giuntoli, I., B. Renard, and M. Lang - 2012. Floods in France, in: Changes in flood risk in Europe, edited by Z. W. Kundzewicz, IAHS Press.

Renard, B., Lang, M., Bois, P., Dupeyrat, A., Mestre, O., Niel, H., Sauquet, E., Prudhomme, C., Parey, S., Paquet, E., Neppel, L., Gailhard, J. - 2008. Regional methods for trend detection: assessing field significance and regional consistency. Water Resources Research, vol. 44



Autres sujets

Thyer, M., M. Leonard, D. Kavetski, S. Need, and B. Renard - 2011. The open source RFortran library for accessing R from Fortran, with applications in environmental modelling, Environmental Modelling & Software, 26(2), 219-234

[Chek out RFortran website!] []

Giacomini, A., O. Buzzi, B. Renard and G. P. Giani - 2009. Experimental studies on fragmentation of rock falls on impact with rock surfaces. International Journal of Rock Mechanics & Mining Sciences, vol. 46, p. 708 - 715

Sauvion, N., V. Mauriello, B. Renard and N. Boissot - 2005. Impact of Melon Accessions Resistant to Aphids on the Demographic Potential of Silverleaf Whitefly. Journal of Economic Entomology vol. 98, n° 2, p. 557 - 567 



Renard, B. - 2006. Détection et prise en compte d'éventuels impacts du changement climatique sur les extrêmes hydrologiques en France. Thèse de doctorat, INP Grenoble. 361 p.



Publications en Français

Bard, A., B. Renard, and M. Lang - 2012. Tendances observées sur les régimes hydrologiques de l'arc Alpin, La houille blanche(1), 38-43.

Renard, B. - 2008. Détection et prise en compte d'éventuels impacts du changement climatique sur les extrêmes hydrologiques en France. La Houille Blanche, vol. 1, p. 109 - 117.

Gresillon, J.M., Sauquet, E., Renard, B., Lang, M., Leblois, E. - 2007. Changement climatique et événements extrêmes : crues, inondations, sécheresses. Que peut-on dire aujourd'hui ? . Revue française de géotechnique, vol. 120-121, p. 27 - 34


Lang, M., Renard, B. - 2007. Analyse régionale sur les extrêmes hydrométriques en France : détection de changements cohérents et recherche de causalité hydrologique. La houille blanche, vol. 6, p. 83 - 89


Renard, B., Lang, M., Bois, P., Dupeyrat, A., Mestre, O., Niel, H., Gailhard, J., Laurent, C., Neppel, L., Sauquet, E. - 2006. Evolution des extrêmes hydrométriques en France à partir de données observées. La houille blanche, vol. 6, p. 48 - 54

Sauquet, E., Bois, P., Renard, B. - 2006. Observations d'événements extrêmes historiques dans le monde, selon les climats et les réseaux de mesure. La houille blanche, vol. 5, p. 60 - 65


Galea, G., Vasquez Paulus, S., Renard, B., Breil, P. - 2005. L'impact des prélèvements d'eau pour l'irrigation sur les régimes hydrologiques des sous-bassins du Tescou et de la Séoune (bassin Adour-Garonne, France). Revue des sciences de l'eau, vol. 18, n° 3, p. 273 - 305