Articles | Volume 25, issue 9
https://doi.org/10.5194/hess-25-4917-2021
https://doi.org/10.5194/hess-25-4917-2021
Research article
 | 
07 Sep 2021
Research article |  | 07 Sep 2021

A 10 km North American precipitation and land-surface reanalysis based on the GEM atmospheric model

Nicolas Gasset, Vincent Fortin, Milena Dimitrijevic, Marco Carrera, Bernard Bilodeau, Ryan Muncaster, Étienne Gaborit, Guy Roy, Nedka Pentcheva, Maxim Bulat, Xihong Wang, Radenko Pavlovic, Franck Lespinas, Dikra Khedhaouiria, and Juliane Mai

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Cited articles

Abaza, M., Fortin, V., Gaborit, É., Bélair, S., and Garnaud, C.: Assessing 32-Day Hydrological Ensemble Forecasts in the Lake Champlain – Richelieu River Watershed, J. Hydrol. Eng., 25, 04020045, https://doi.org/10.1061/(ASCE)HE.1943-5584.0001983, 2020. a
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Alavi, N., Bélair, S., Fortin, V., Zhang, S., Husain, S. Z., Carrera, M. L., and Abrahamowicz, M.: Warm Season Evaluation of Soil Moisture Prediction in the Soil, Vegetation, and Snow (SVS) Scheme, J. Hydrometeorol., 17, 2315–2332, https://doi.org/10.1175/JHM-D-15-0189.1, 2016. a
Albergel, C., Dorigo, W., Reichle, R. H., Balsamo, G., de Rosnay, P., Muñoz-Sabater, J., Isaksen, L., de Jeu, R., and Wagner, W.: Skill and Global Trend Analysis of Soil Moisture from Reanalyses and Microwave Remote Sensing, J. Hydrometeorol., 14, 1259–1277, https://doi.org/10.1175/JHM-D-12-0161.1, 2013. a, b
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In this paper, we highlight the importance of including land-data assimilation as well as offline precipitation analysis components in a regional reanalysis system. We also document the performance of the first multidecadal 10 km reanalysis performed with the GEM atmospheric model that can be used for seamless land-surface and hydrological modelling in North America. It is of particular interest for transboundary basins, as existing datasets often show discontinuities at the border.
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