Articles | Volume 13, issue 9
Geosci. Model Dev., 13, 3925–3946, 2020
https://doi.org/10.5194/gmd-13-3925-2020

Special issue: The externalised surface model SURFEX

Geosci. Model Dev., 13, 3925–3946, 2020
https://doi.org/10.5194/gmd-13-3925-2020

Model evaluation paper 01 Sep 2020

Model evaluation paper | 01 Sep 2020

The latest improvements with SURFEX v8.0 of the Safran–Isba–Modcou hydrometeorological model for France

Patrick Le Moigne et al.

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Cited articles

Albergel, C., de Rosnay, P., Gruhier, C., MunÞoz-Sabater, J., Hasenauer, S., Isaksen, L., Kerr, Y., and Wagner, W.: Evaluation of remotely sensed and modelled soil moisture products using global ground-based in situ observations, Remote Sens. Environ., 118, 215–226, 2012. 
Albergel, C., Munier, S., Leroux, D. J., Dewaele, H., Fairbairn, D., Barbu, A. L., Gelati, E., Dorigo, W., Faroux, S., Meurey, C., Le Moigne, P., Decharme, B., Mahfouf, J.-F., and Calvet, J.-C.: Sequential assimilation of satellite-derived vegetation and soil moisture products using SURFEX_v8.0: LDAS-Monde assessment over the Euro-Mediterranean area, Geosci. Model Dev., 10, 3889–3912, https://doi.org/10.5194/gmd-10-3889-2017, 2017. 
Alkama, R., Decharme, B., Douville, H., Becker, M., Cazenave, A., Sheffield, J., Voldoire, A., Tyteca, S., and Le Moigne, P.: Global evaluation of the ISBA-TRIP continental hydrological system. Part I: Comparison to GRACE terrestrial water storage estimates and in situ river discharges, J. Hydrometeorol., 11, 601–617, https://doi.org/10.1175/2010JHM1211.1, 2010. 
Barthel, R. and Banzhaf, S.: Groundwater and surface water interaction at the regional-scale – a review with focus on regional integrated models, Water Resour. Manage., 30, 1–32, 2016. 
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Short summary
The study describes how a hydrometeorological model, operational at Météo-France, has been improved. Particular emphasis is placed on the impact of climatic data, surface, and soil parametrizations on the model results. Model simulations and evaluations carried out on a variety of measurements of river flows and snow depths are presented. All improvements in climate, surface data, and model physics have a positive impact on system performance.