蒙达卡伊 - 乔拉马拉山滑坡:开始,进展和影响的评估
Maneesha Vinodini Ramesh1,2, Hari Chandana Ekkirala3,4, Balmukund Singh3,4
1Center for Wireless Networks and Applications (WNA), Amrita Vishwa Vidyapeetham, Amritapuri, India. maneesha@amrita.edu.
Scientific reports
|July 24, 2025
概括
印度瓦亚纳德邦 (Wayanad) 强的季风雨造成了毁灭性的山体滑坡和洪水,造成400多人死亡. 这项研究分析了灾难.
科学领域:
- 地球和环境科学 地球和环境科学
- 地质地质地质地质地质地
- 水文学的水文学
背景情况:
- 在全球范围内,多重危险场景和级联灾难的数量正在增加.
- 印度喀拉拉邦瓦亚纳德地区的2024年季风经历了暴雨,引发了山体滑坡,侵蚀和洪水,造成400多人死亡.
研究的目的:
- 为了调查滑坡的发起,进展,冲击区和灾难风险降低策略在Wayanad.
- 开发一个多维的山体滑坡评估框架.
主要方法:
- 通过了一个涵盖水文气象学,地质学,地质技术,地形学和损害评估的框架.
- 利用了专家咨询,文献审查,现场调查,遥感,测量站,实验室测试和利益相关者互动.
- 采用相关性研究,地质构造绘制,水文气象和坡度稳定性建模,形态分析,并通过现场观测和统计/建模输出进行验证.
主要成果:
- 7月29日降雨量增加了280%,加上前15天的降雨,导致土壤过度和,引发了该事件.
- 地形测量分析显示区域线条,高分叉比率和排水密度有助于加速碎片流和道限制的突然洪水.
- 超过200座建筑物沿着6公里长的逃跑路径受到了影响.
结论:
- 该研究强调了极端降雨和先行湿度在引发大规模的山体滑坡和洪水中的关键作用.
- 地形特征显著影响了灾难的进展和影响.
- 建议包括增加雨量表密度,实施孔隙压力监测,并采用多危险方法,以加强Wayanad的早期预警和准备.
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