globalchange  > 气候变化与战略
DOI: 10.5194/tc-15-531-2021
论文题名:
A simple parametrization of mélange buttressing for calving glaciers
作者: Schlemm T.; Levermann A.
刊名: Cryosphere
ISSN: 19940416
出版年: 2021
卷: 15, 期:2
起始页码: 531
结束页码: 545
语种: 英语
英文关键词: analytical method ; discharge ; ice sheet ; iceberg ; iceberg calving ; melting ; parameterization ; sea ice ; Antarctic Ice Sheet ; Antarctica ; Arctic ; Greenland ; Greenland Ice Sheet
英文摘要: Both ice sheets in Greenland and Antarctica are discharging ice into the ocean. In many regions along the coast of the ice sheets, the icebergs calve into a bay. If the addition of icebergs through calving is faster than their transport out of the embayment, the icebergs will be frozen into a mélange with surrounding sea ice in winter. In this case, the buttressing effect of the ice mélange can be considerably stronger than any buttressing by mere sea ice would be. This in turn stabilizes the glacier terminus and leads to a reduction in calving rates. Here we propose a simple parametrization of ice mélange buttressing which leads to an upper bound on calving rates and can be used in numerical and analytical modelling. © Author(s) 2021.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164799
Appears in Collections:气候变化与战略

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作者单位: Potsdam Institute for Climate Impact Research, Potsdam, Germany; Institute of Physics and Astronomy, University of Potsdam, Potsdam, Germany; Lamont-Doherty Earth Observatory, Columbia University, New York, NY, United States

Recommended Citation:
Schlemm T.,Levermann A.. A simple parametrization of mélange buttressing for calving glaciers[J]. Cryosphere,2021-01-01,15(2)
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