文章基本信息

标题：Impact of model resolution on simulated wind, drifting snow and surface mass balance in Terre Adélie, East Antarctica
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作者：Jan T.M. Lenaerts ; Michiel R. Van Den Broeke ; Claudio Scarchilli 等
期刊名称：Journal of Glaciology
印刷版ISSN：0022-1430
电子版ISSN：1727-5652
出版年度：2012
卷号：58
期号：211
页码：821-829
DOI：10.3189/2012JoG12J020
出版社：Cambridge University Press
摘要：100 mm a -1 in regions with high wind speeds. Our results indicate a strong feedback between topography, wind gradients and drifting snow erosion. As a result, SMB shows much more local spatial variability at 5.5 km resolution that is controlled by drifting snow erosion, whereas the large-scale SMB gradient is largely determined by precipitation. Drifting snow processes lead to ablation in the narrow glacial valleys of Victoria Land. The integrated SMB equals 86 Gt. Although wind climate, drifting snow processes and SMB variability are better represented at 5.5 km, the area-integrated SMB is not significantly different between the simulations at 27 and 5.5 km. A horizontal resolution of 27 km is sufficient to realistically simulate ice-sheet wide SMB.