Articles | Volume 8, issue 4
https://doi.org/10.5194/gmd-8-1233-2015
https://doi.org/10.5194/gmd-8-1233-2015
Methods for assessment of models
 | 
29 Apr 2015
Methods for assessment of models |  | 29 Apr 2015

Reduction of predictive uncertainty in estimating irrigation water requirement through multi-model ensembles and ensemble averaging

S. Multsch, J.-F. Exbrayat, M. Kirby, N. R. Viney, H.-G. Frede, and L. Breuer

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Short summary
Irrigation agriculture is required to sustain yields that allow feeding the world population. A robust assessment of irrigation requirement (IRR) relies on a sound quantification of evapotranspiration (ET). We prepared a multi-model ensemble considering several ET methods and investigate uncertainties in simulating IRR. More generally, we provide an example of the value of investigating the uncertainty in models that may be used to inform policy-making and to elaborate best management practices.