气候变化领域集成服务门户(CCPortal): Snowdrift modelling for the vestfonna ice cap, north-eastern Svalbard

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DOI	10.5194/tc-7-1287-2013
	Snowdrift modelling for the vestfonna ice cap, north-eastern Svalbard
	Sauter T.; Möller M.; Finkelnburg R.; Grabiec M.; Scherer D.; Schneider C.
发表日期	2013
ISSN	19940416
卷号	7 期号:4
英文摘要	The redistribution of snow by drifting and blowing snow frequently leads to an inhomogeneous snow mass distribution on larger ice caps. Together with the thermodynamic impact of drifting snow sublimation on the lower atmospheric boundary layer, these processes affect the glacier surface mass balance. This study provides a first quantification of snowdrift and sublimation of blowing and drifting snow on the Vestfonna ice cap (Svalbard) by using the specifically designed snow2blow snowdrift model. The model is forced by atmospheric fields from the Polar Weather Research and Forecasting model and resolves processes on a spatial resolution of 250 m. The model is applied to the Vestfonna ice cap for the accumulation period 2008/2009. Comparison with radio-echo soundings and snow-pit measurements show that important local-scale processes are resolved by the model and the overall snow accumulation pattern is reproduced. The findings indicate that there is a significant redistribution of snow mass from the interior of the ice cap to the surrounding areas and ice slopes. Drifting snow sublimation of suspended snow is found to be stronger during spring. It is concluded that the redistribution process is strong enough to have a significant impact on glacier mass balance. © 2013 ESO.
学科领域	boundary layer; climate modeling; glacier mass balance; homogeneity; ice cap; ice drift; snow; spatial resolution; weather forecasting; Arctic; Svalbard; Svalbard and Jan Mayen
语种	英语
scopus关键词	boundary layer; climate modeling; glacier mass balance; homogeneity; ice cap; ice drift; snow; spatial resolution; weather forecasting; Arctic; Svalbard; Svalbard and Jan Mayen
来源期刊	Cryosphere
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/120261
作者单位	Institute of Meteorology and Geophysics, University of Innsbruck, Austria; Department of Geography, RWTH Aachen University, Germany; Department of Ecology, Technische Universität Berlin, Germany; Department of Geomorphology, University of Silesia, Poland
推荐引用方式 GB/T 7714	Sauter T.,Möller M.,Finkelnburg R.,et al. Snowdrift modelling for the vestfonna ice cap, north-eastern Svalbard[J],2013,7(4).
APA	Sauter T.,Möller M.,Finkelnburg R.,Grabiec M.,Scherer D.,&Schneider C..(2013).Snowdrift modelling for the vestfonna ice cap, north-eastern Svalbard.Cryosphere,7(4).
MLA	Sauter T.,et al."Snowdrift modelling for the vestfonna ice cap, north-eastern Svalbard".Cryosphere 7.4(2013).