Surges of the Vernagtferner in the Ötztal Alps since 1599

Surges of the Vernagtferner in the Ötztal Alps since 1599
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1599 年以来奥茨塔尔阿尔卑斯山 Vernagtferner 的汹涌澎湃

DOI:
10.1139/e69-086
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发表时间:
1969
影响因子:
1.4
通讯作者:
H. Hoinkes
H. Hoinkes
中科院分区:
地球科学4区
文献类型:
--
作者:
H. Hoinkes

文献摘要

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简要描述了Vernagtferner (Otztal Alps, Tyrol)的灾难性进展的历史。从各方面看来,这些进步都是突飞猛进的。它们周期性地发生,主动前进的时间短,撤退的时间长得多;整个周期平均持续82年。冰的流动模式发生了典型的变化,即在剧烈的裂缝作用下,浪涌期间的速度增加了一个数量级以上。前进和后退的规模比该地区其他冰川所知的要大得多。
The history of catastrophic advances of Vernagtferner (Otztal Alps, Tyrol) is described briefly. To all appearances these advances were surges. They occurred periodically with a short active advance and a much longer time of retreat; the whole cycle lasted on an average 82 years. The mode of flow of the ice changed typically, i.e. speed during surges increased more than one order of magnitude with heavy crevassing. Dimensions of advance and of retreat were much larger than known from other glaciers in the area.