A surge of North Gasherbrum Glacier, Karakoram, China

被引：53

作者：

Mayer, Christoph ^{[1
]}

Fowler, Andrew C. ^{[2
]}

Lambrecht, Astrid ^{[3
]}

Scharrer, Kilian ^{[4
]}

机构：

[1] Bavarian Acad Sci, Commiss Glaciol, D-80539 Munich, Germany

[2] Univ Limerick, Dept Math & Stat, MACSI, Limerick, Ireland

[3] Univ Innsbruck, Inst Meteorol & Geophys, A-6020 Innsbruck, Austria

[4] Swansea Univ, Sch Environm & Soc, Swansea SA2 8PP, W Glam, Wales

来源：

JOURNAL OF GLACIOLOGY | 2011年 / 57卷 / 205期

基金：

爱尔兰科学基金会;

关键词：

SUBGLACIAL WATER-PRESSURE; BALTORO GLACIER; DRAINAGE SYSTEM; ICE-SHEET; VELOCITY; DYNAMICS; OSCILLATIONS; MECHANISM; PAKISTAN; WAVES;

D O I：

10.3189/002214311798043834

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

Between 2003 and 2007, North Gasherbrum Glacier on the northeastern slope of the Karakoram mountains in Asia underwent a dramatic acceleration, during which a velocity wave propagated down the glacier. There was a significant transfer of ice from up-glacier downstream, which resulted in a strong surface elevation increase over the lower tongue, but only a moderate advance of the glacier snout. We interpret this behaviour as that of a glacier surge, and we explain the observations by means of a simple version of the Kamb drainage-switching theory.

引用

页码：904 / 916

页数：13

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