. '. Variflux, Agence de l'Eau Seine Normandie. Les auteurs remercient les personnes qui nous ont fournis des données journalières des différents constituants : Philippe Crouzet (Agence Européenne de l'Environnement), Manuel Sarraza

F. Moatar and M. Meybeck, Compared performances of different algorithms for estimating annual nutrient loads discharged by the eutrophic River Loire, Hydrological Processes, vol.214, issue.211, pp.429-444, 2005.
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F. Birgand, T. W. Appelboom, G. Chescheir, R. Skaggs, and J. W. Gilliam, Time proportional Sampling strategies for estimating annual nutrient fluxes of outlets of coastal plain watersheds Proceedings of the internation Conference hydrology and Management of forested wetlands Evaluation of sampling strategies for estimating annual nutrient loads at the outlets of rural watersheds, Man and Rivers II Symposium, pp.208-217, 2006.

F. Moatar, G. Person, M. Meybeck, A. Coynel, and H. Etcheber, The influence of contrasting suspended particulate matter transport regimes on the bias and precision of flux estimates, Science of The Total Environment, vol.370, issue.2-3, pp.515-531, 2006.
DOI : 10.1016/j.scitotenv.2006.07.029

F. Moatar, M. Meybeck, F. Moatar, M. Meybeck, R. S. Coynel et al., Riverine fluxes of pollutants: towards predictions of uncertainties by flux duration descriptor Evaluation des flux de MES à partir des suivis discrets: methods de calculs et incertitudes. Colloque SHF « Transports solides et gestion des sédiments en milieu naturel et urbain », Meybeck M. Riverine particulate and dissolved fluxes: general variability and uncertainties related to duration indicators. Soumis Water Resources Research, pp.367-382, 2007.

P. F. Staub, J. Audet, R. S. Moatar, F. Meybeck, M. Sarraza et al., Incertitudes sur l'attribution de l'état de qualité physico-chimique des cours d'eau par le quantile 90% des concentrations en fonction de la fréquence de suivi : cas des nutriments, Colloque SHF, Mesures et Incertitudes, 2006.

M. Meybeck, L. Laroche, H. Durr, J. Syvistski, J. Philipps et al., Global variability of daily total suspended solids and their fluxes in rivers Estimating the suspended sediment load of rivers in the LOIS study area using infrequent samples, Thèse de l'Ecole des Mines de Paris, pp.65-931035, 1999.