Glacial lake burst or avalanche? Scientists to leave for Uttarakhand disaster site today -Amitabh Sinha
-The Indian Express
The breach can be caused by several reasons — in this particular case, for instance, an avalanche was reported in the region two days ago.
Pune: A glacial lake burst, a cloud burst or an avalanche, the impact of climate change or “development” — scientists are not sure what triggered the sudden surge of water near Chamoli in Uttarakhand Sunday morning that briefly raised fears of a repeat of the 2013 disaster in the state.
By evening, the prospect of largescale flooding and destruction had receded. And, as scientists prepared to travel to the site in the high mountains north of Chamoli to ascertain the cause of the incident, the scenario being most talked about was what glaciologists like to call a GLOF, or glacial lake outburst flood. It is a reference to flooding caused downstream due to a breach in a glacial lake.
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The Indian Express, 8 February, 2021, https://indianexpress.com/article/explained/uttarakhand-glacier-break-flash-flood-rishiganga-7179003/