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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 10 | Copyright

Special issue: HESS Opinions 2009

Hydrol. Earth Syst. Sci., 13, 1757-1764, 2009
https://doi.org/10.5194/hess-13-1757-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

Opinion article 01 Oct 2009

Opinion article | 01 Oct 2009

HESS Opinions "Crash tests for a standardized evaluation of hydrological models"

V. Andréassian1, C. Perrin1, L. Berthet1,6, N. Le Moine2, J. Lerat3,*, C. Loumagne1, L. Oudin4, T. Mathevet5, M.-H. Ramos1, and A. Valéry1 V. Andréassian et al.
  • 1Cemagref, Hydrosystems and Bioprocesses Research Unit, Antony, France
  • 2EDF-LNHE, Chatou, France
  • 3Cemagref, G-EAU Research Unit, Montpellier, France
  • 4Université Pierre et Marie Curie, UMR Sisyphe, Paris, France
  • 5EDF-DTG, Grenoble, France
  • 6AgroParisTech, Paris, France
  • *now at: CSIRO, Canberra, Australia

Abstract. As all hydrological models are intrinsically limited hypotheses on the behaviour of catchments, models – which attempt to represent real-world behaviour – will always remain imperfect. To make progress on the long road towards improved models, we need demanding tests, i.e. true crash tests. Efficient testing requires large and varied data sets to develop and assess hydrological models, to ensure their generality, to diagnose their failures, and ultimately, help improving them.

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