Remote sensing and process attribution uncertainties in the Dharali event

A recent study by Dandabathula et al. attributes the 5 August 2025 Dharali disaster to an ice-patch collapse based largely on satellite imagery. Here, we examine remote sensing and process-attribution uncertainties in that interpretation. The proposed mechanism by Dandabathula et al. lacks spectral validation, geomorphic consistency, volumetric support, and geophysical corroboration. Available independent observations instead indicate rainfall-triggered mobilisation of unconsolidated paraglacial sediments, underscoring the need for rigorous process attribution in Himalayan hazard assessment.

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Publication Details

Journal
npj natural hazards.
Published
2026-04-17
DOI
https://doi.org/10.1038/s44304-026-00211-w
Primary Topic
Cryospheric studies and observations
Type
article
Field-Weighted Citation Impact
0.00

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article

Remote sensing and process attribution uncertainties in the Dharali event

Lydia Sam, Sheikh Nawaz Ali, Rayees Ahmed, Anshuman Bhardwaj
npj natural hazards.
Cryospheric studies and observations
article

Remote sensing and process attribution uncertainties in the Dharali event

Lydia Sam, Sheikh Nawaz Ali, Rayees Ahmed, Anshuman Bhardwaj
article en

Abstract

A recent study by Dandabathula et al. attributes the 5 August 2025 Dharali disaster to an ice-patch collapse based largely on satellite imagery. Here, we examine remote sensing and process-attribution uncertainties in that interpretation. The proposed mechanism by Dandabathula et al. lacks spectral validation, geomorphic consistency, volumetric support, and geophysical corroboration. Available independent observations instead indicate rainfall-triggered mobilisation of unconsolidated paraglacial sediments, underscoring the need for rigorous process attribution in Himalayan hazard assessment.

npj natural hazards.Vol. 3(1)
University of Aberdeen (GB), Indian Institute of Science Bangalore (IN), Indian Institute of Management Lucknow (IN)
Carnegie Trust for the Universities of Scotland, University of Aberdeen, Natural Environment Research Council
Climate action
Openalex Percentile: Top 14%
Cryospheric studies and observations
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Remote sensing and process attribution uncertainties in the Dharali event — Lydia Sam, Sheikh Nawaz Ali, et al. · npj natural hazards. (2026) | TGRS Research Map | TGRS