Reference : Influence de la résolution spatiale sur la modélisation du bilan de masse en surface ...
Scientific congresses and symposiums : Paper published in a book
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
Influence de la résolution spatiale sur la modélisation du bilan de masse en surface de la calotte glaciaire du Groenland
[en] Impact of the spatial resolution on the Greenland ice sheet surface mass balance modelling
Franco, Bruno mailto [Université de Liège - ULg > Département de géographie > Topoclimatologie >]
Fettweis, Xavier [Université de Liège - ULg > Département de géographie > Topoclimatologie >]
Erpicum, Michel [Université de Liège - ULg > Département de géographie > Topoclimatologie >]
Actes du XXIVe colloque annuel de l’Association Internationale de Climatologie : Climat Montagnard et Risques
Fazzini, Massimiliano
Beltrando, Gérard
Università di Ferrara
XXIV colloque de l'Association Internationale de Climatologie
du 6 au 10 septembre 2011
Association Internationale de Climatologie
[fr] bilan de masse en surface ; résolution spatiale ; Groenland
[en] By using the regional climate model MAR (Modèle Atmosphérique Régional), we have modelled the Greenland Ice Sheet (GrIS) Surface Mass Balance (SMB) at 20, 25, 30, 40 and 50km resolution to assess the impact of the spatial resolution. As part of the ICE2SEA project, the 25km-resolution SMB outputs of the MAR model are used as forcing fields for ice sheet models, in order to produce projections of the GrIS contribution to sea-level rise over the next 200 years. However, the ice sheet models often run at a higher resolution (typically 5-10km) than the current MAR resolution (25km). Such higher-resolution runs of the MAR model on the same integration domain generate a significant additional computing time and are not doable until now. That is why several enhanced SMB interpolations are tested here in order to reduce biases when interpolating the MAR outputs onto higher resolution, in the framework of the ICE2SEA project.
Laboratoire de Climatologie et Topoclimatologie
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Researchers ; Professionals ; Students ; General public

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