Looking inside an avalanche using a novel radar system

Looking inside an avalanche using a novel radar system
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使用新型雷达系统观察雪崩内部

DOI:
10.1111/gto.12033
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发表时间:
2014
期刊:
Geology Today
影响因子:
--
通讯作者:
Keylock C
Keylock C
中科院分区:
--
文献类型:
--
作者:
Keylock C

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雪崩是高寒地区重要的自然灾害,其流动动力学与火山碎屑流和其他地质块体运动有相似之处。然而,人工释放的可能性和它们沉积物的暂时性质使它们更容易研究。本文解释了成像这些气流的雷达技术的最新发展。这些新数据意味着,我们第一次看到整个流量在动态相关的空间尺度上的平均。这为风险应用中使用的现有动力学模型提供了一个适当测试的机会,并获得了流动物理知识,这将指导下一代模型的制定。
Snow avalanches are a significant natural hazard in alpine regions and their flow dynamics have similarities to pyroclastic flows and other geological mass movements. However, the potential for artificial release and the temporary nature of their deposits makes them somewhat easier to study. This article explains recent developments in radar technology for imaging these flows. These new data mean that, for the first time, we are seeing the whole flow averaged over spatial scales that are dynamically relevant. This provides an opportunity to properly test existing models for the dynamics used in risk applications and to gain knowledge of the flow physics, which will guide the next generation of model formulations.
DOI: 10.3189/172756410791386643
发表时间: 2010-01-01
影响因子: 2.9
作者:
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