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Disaster Experts Say Nepal Glacier Collapse Was Difficult to Predict

Given the challenges in forecasting and detecting such calamities, researchers advised banning construction on floodplains and marking out clear evacuation routes.

© Atul Loke for The New York Times

The widened channel of the Bhote Koshi River in Nepal on Thursday after the flash flooding. Most monitoring and early-warning systems for glacial hazards focus on a specific area of risk.
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Disaster Experts Say Nepal Glacier Collapse Was Difficult to Predict

Given the challenges in forecasting and detecting such calamities, researchers advised banning construction on floodplains and marking out clear evacuation routes.

© Atul Loke for The New York Times

The widened channel of the Bhote Koshi River in Nepal on Thursday after the flash flooding. Most monitoring and early-warning systems for glacial hazards focus on a specific area of risk.
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Climate Change Raises Risk of Disasters Like Nepal Floods

Glaciers and permafrost in the Himalayas are melting faster as temperatures rise, though scientists are still studying the exact causes of this week’s landslide.

© Atul Loke for The New York Times

Mud-laden water and debris surges through the widened channel of the Bhotekoshi River in the northern Rasuwa district of Nepal, on Thursday.
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Speed of Nepal’s Flash Floods Likely Overwhelmed Warning System, Experts Say

Scientists and disaster response researchers said Nepal’s early flood warning system relied on a conventional network of river gauges in this remote region.

© Ezra Acayan/Getty Images

Damage following flash floods in Trishuli, Nepal.
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