Articles | Volume 18, issue 12
https://doi.org/10.5194/hess-18-5219-2014
https://doi.org/10.5194/hess-18-5219-2014
Research article
 | 
16 Dec 2014
Research article |  | 16 Dec 2014

Agro-hydrology and multi-temporal high-resolution remote sensing: toward an explicit spatial processes calibration

S. Ferrant, S. Gascoin, A. Veloso, J. Salmon-Monviola, M. Claverie, V. Rivalland, G. Dedieu, V. Demarez, E. Ceschia, J.-L. Probst, P. Durand, and V. Bustillo

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A set of high spatial and temporal satellite images have been used to spatially calibrate crop growth within an agro-hydrological model dedicated to nitrogen contamination of stream water. This type of spatial calibration greatly improved the simulation of nitrogen plant uptake and better constrained nutrient fluxes in the river. This is an example of the benefit of the forthcoming Sentinel-2 high resolution optical image series that will be acquired every 4/5 days over continental surfaces.