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The region from Pithoragarh to Dharchula in Uttarakhand, India, is very landslide-prone due to its rugged Himalayan topography and variable climate. The paper discusses, through a multi-disciplinary approach of field surveys supported with remote sensing data and applications like Geographic Information Systems (GIS), the various intricate factors anthropogenic, environmental, or geological that makes this part of the land susceptible to landslides. An analysis of past landslip incidents dating back to catastrophic events near Khela village in 2009 up to those happening later in 2023 provides insights into the periodicity of these disasters, which are triggered by an intricate balance of factors such as heavy rainfall on already prone-to-slides (brittle geological formation) areas due also to human intervention through deforestation and unbridled construction. This paper extends further to talk about an analysis of road damage in the Dharchula division due to landslides; massive damages were reported on several road sections within the PMGSY (Pradhan Mantri Gram Sadak Yojna), PWD & CPWD.

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Evaluating Landslide Risk and Mitigation Strategies in the Himalayas: A Case Study of the Pithoragarh-Dharchula Region, Uttarakhand, India

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  • 发表日期：

    2026年

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  • Kavindra Singh Dhami,
  • Abhijit Debnath,
  • Sushant Shekhar,
  • Mohammad A. Hassan,
  • Jayant Giri

摘要

The region from Pithoragarh to Dharchula in Uttarakhand, India, is very landslide-prone due to its rugged Himalayan topography and variable climate. The paper discusses, through a multi-disciplinary approach of field surveys supported with remote sensing data and applications like Geographic Information Systems (GIS), the various intricate factors anthropogenic, environmental, or geological that makes this part of the land susceptible to landslides. An analysis of past landslip incidents dating back to catastrophic events near Khela village in 2009 up to those happening later in 2023 provides insights into the periodicity of these disasters, which are triggered by an intricate balance of factors such as heavy rainfall on already prone-to-slides (brittle geological formation) areas due also to human intervention through deforestation and unbridled construction. This paper extends further to talk about an analysis of road damage in the Dharchula division due to landslides; massive damages were reported on several road sections within the PMGSY (Pradhan Mantri Gram Sadak Yojna), PWD & CPWD.