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一场巨大的岩石和冰雪在印度喜马拉雅山脉的查莫利造成了2021年的灾难
D H Shugar1, M Jacquemart2,3,4, D Shean5
1Water, Sediment, Hazards, and Earth-surface Dynamics (waterSHED) Lab, Department of Geoscience, University of Calgary, AB, Canada. daniel.shugar@ucalgary.ca.
概括
印度喜马拉雅山脉的一场巨大的岩石和冰雪变成了毁灭性的碎片流, 这次活动强调了对高山地区更好的监测和可持续发展的迫切需要.
科学领域:
- 地质学
- 自然灾害
- 冰川学
背景情况:
- 2021年2月7日,印度Uttarakhand的Chamoli地区发生了一场灾难性的大规模流动事件.
- 这场灾难摧毁了罗蒂加德,里希甘加和Dhauliganga山谷,造成大量生命损失和基础设施受损.
研究的目的:
- 分析2021年查莫利大规模流动事件的原因和特征.
- 了解最初的崩如何转变为大规模的碎片流.
- 评估高山环境对危险监测和可持续发展的影响.
主要方法:
- 对卫星图像进行分析.
- 检查地震记录.
- 这是一个数字模型.
- 审查目击者的视频.
主要成果:
- 大约有2700万立方米的岩石和冰川冰从罗蒂峰崩.
- 这场雪崩迅速演变为一个高度移动的碎片流,
- 在山谷的墙壁上有极端的扫的证据, 高达山谷底220米.
结论:
- 造成了灾难性的破坏.
- 这次活动强调了喜马拉雅山脉的监测和可持续发展的关键问题.
- 迫切需要改进策略,以减轻偏远高山地区的风险.
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