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Article

Sensitivity to Convective Schemes on Precipitation Simulated by the Regional Climate Model MAR over Belgium (1987–2017)

Laboratory of Climatology, Department of Geography, UR SPHERES, University of Liège, 4000 Liège, Belgium
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Atmosphere 2019, 10(1), 34; https://doi.org/10.3390/atmos10010034
Received: 25 September 2018 / Revised: 8 January 2019 / Accepted: 10 January 2019 / Published: 17 January 2019
(This article belongs to the Special Issue Regional Climate Modeling)
The aim of this study is to assess the sensitivity of convective precipitation modelled by the regional climate model MAR (Modèle Atmosphérique Régional) over 1987–2017 to four newly implemented convective schemes: the Bechtold scheme coming from the MESO-NH regional model and the Betts-Miller-Janjić, Kain-Fritsch and modified Tiedtke schemes coming from the WRF regional model. MAR version 3.9 is used here at a resolution of 10 km over a domain covering Belgium using the ERA-Interim reanalysis as forcing. The simulated precipitation is compared against SYNOP and E-OBS gridded precipitation data. Trends in total and convective precipitation over 1987–2017 are discussed. None of the MAR experiments compares better with observations than the others and they all show the same trends in (extreme) precipitation. Over the period 1987–2017, MAR suggests a significant increase in the mean annual precipitation amount over the North Sea but a significant decrease over High Belgium. View Full-Text
Keywords: convective scheme; regional climate modelling; precipitation; Belgium convective scheme; regional climate modelling; precipitation; Belgium
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MDPI and ACS Style

Doutreloup, S.; Wyard, C.; Amory, C.; Kittel, C.; Erpicum, M.; Fettweis, X. Sensitivity to Convective Schemes on Precipitation Simulated by the Regional Climate Model MAR over Belgium (1987–2017). Atmosphere 2019, 10, 34. https://doi.org/10.3390/atmos10010034

AMA Style

Doutreloup S, Wyard C, Amory C, Kittel C, Erpicum M, Fettweis X. Sensitivity to Convective Schemes on Precipitation Simulated by the Regional Climate Model MAR over Belgium (1987–2017). Atmosphere. 2019; 10(1):34. https://doi.org/10.3390/atmos10010034

Chicago/Turabian Style

Doutreloup, Sébastien, Coraline Wyard, Charles Amory, Christoph Kittel, Michel Erpicum, and Xavier Fettweis. 2019. "Sensitivity to Convective Schemes on Precipitation Simulated by the Regional Climate Model MAR over Belgium (1987–2017)" Atmosphere 10, no. 1: 34. https://doi.org/10.3390/atmos10010034

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