Articles | Volume 25, issue 9
Hydrol. Earth Syst. Sci., 25, 4917–4945, 2021
https://doi.org/10.5194/hess-25-4917-2021
Hydrol. Earth Syst. Sci., 25, 4917–4945, 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 et al.

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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
Adler, R. F., Huffman, G. J., Chang, A., Ferraro, R., Xie, P.-P., Janowiak, J., Rudolf, B., Schneider, U., Curtis, S., Bolvin, D., Gruber, A., Susskind, J., Arkin, P., and Nelkin, E.: The Version-2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present), J. Hydrometeorol., 4, 1147–1167, https://doi.org/10.3390/atmos9040138, 2003. a, b, c
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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.