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| Titel |
Impact of spatial resolution on the modelling of the Greenland ice sheet surface mass balance between 1990–2010, using the regional climate model MAR |
| VerfasserIn |
B. Franco, X. Fettweis, C. Lang, M. Erpicum |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1994-0416
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| Digitales Dokument |
URL |
| Erschienen |
In: The Cryosphere ; 6, no. 3 ; Nr. 6, no. 3 (2012-06-27), S.695-711 |
| Datensatznummer |
250003601
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| Publikation (Nr.) |
 copernicus.org/tc-6-695-2012.pdf |
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| Zusammenfassung |
| With the aim to force an ice dynamical model, the Greenland ice sheet
(GrIS) surface mass balance (SMB) was modelled at different spatial
resolutions (15–50 km) for the period 1990–2010, using the regional
climate model MAR (Modèle Atmosphérique Régional) forced by the
ERA-INTERIM reanalysis. This comparison revealed that (i) the
inter-annual variability of the SMB components is consistent within
the different spatial resolutions investigated, (ii) the MAR model
simulates heavier precipitation on average over the GrIS with
decreasing spatial resolution, and (iii) the SMB components (except
precipitation) can be derived from a simulation at lower resolution
with an "intelligent" interpolation. This interpolation can also be
used to approximate the SMB components over another topography/ice
sheet mask of the GrIS. These results are important for the forcing of
an ice dynamical model needed to enable future projections of the
GrIS contribution to sea level rise over the coming centuries. |
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