Melting temperature changes during slip across subglacial cavities drive basal mass exchange
Melting temperature changes during slip across subglacial cavities drive basal mass exchange
复制标题
滑过冰下空腔期间的融化温度变化驱动基础质量交换
DOI:
10.1017/jog.2021.107
复制
发表时间:
2022
影响因子:
3.4
通讯作者:
Riverman, Kiya L.
中科院分区:
文献类型:
--
作者:
Rempel, Alan W.;Meyer, Colin R.;Riverman, Kiya L.
The importance of glacier sliding has motivated a rich literature describing the thermomechanical interactions between ice, liquid water and bed materials. Early recognition of the gradient in melting temperature across small bed obstacles led to focused studies of regelation. An appreciation for the limits on ice deformation rates downstream of larger obstacles highlighted a role for cavitation, which has subsequently gained prominence in descriptions of subglacial drainage. Here, we show that the changes in melting temperature that accompany changes in normal stress along a sliding ice interface near cavities and other macroscopic drainage elements cause appreciable supercooling and basal mass exchange. This provides the basis of a novel formation mechanism for widely observed laminated debris-rich basal ice layers.
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影响因子:
3.4
作者:
Charles F. Raymond;William D. Harrison
通讯作者:
William D. Harrison
影响因子:
2.9
作者:
A. Rempel
通讯作者:
A. Rempel
影响因子:
3.4
作者:
E. Lachapelle
通讯作者:
E. Lachapelle
DOI:
--
发表时间:
1994
期刊:
影响因子:
--
作者:
B. Rea;W. B. Whalley
通讯作者:
W. B. Whalley
DOI:
--
发表时间:
1973
期刊:
Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences
影响因子:
--
作者:
L. Drake;R. L. Shreve
通讯作者:
R. L. Shreve