Climate Change Impact on India and World – International Reports, Key Observations, etc.

No lake formation near Gaumukh or along the course of river Bhagirathi: reports


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Mains Paper 1: Geography | changes in critical geographical features (including waterbodies & ice-caps) & in flora & fauna & the effects of such changes

From UPSC perspective, the following things are important:

Prelims level: Gangotri glacier, Gaumukh, Bhagirathi river, landslide

Mains level: Early detection of disasters and prevention


No lake formation at Gaumukh

  1. A team of scientists and government officials who did an aerial survey of the Gangotri glacier dismissed claims of any lake formation at Gaumukh which could hinder the course of the Bhagirathi river
  2. This was done day after the Uttarakhand high court ordered the state government to clear the lake that had formed near Gaumukh
  3. The high court had instructed the state government to clear the lake near Gaumukh to prevent any future disasters like the one at Kedarnath in June 2013
  4. Gaumukh is the snout of the Gangotri glacier from where the Bhagirathi river originates

Reason behind “lake” formation

  1. The satellite data available with the Indian Space Research Organisation (ISRO) from November 2011 to October 2017 was analyzed by the expert agencies
  2. It was observed that in July 2017 a landslide had occurred due to which debris had been deposited “slightly away” from Gaumukh
  3. It showed “minor pondage” near the snout of the Gangotri glacier, but “no blockage” was observed in the Bhagirathi river

Is this anything to worry about?

  1. There was no imminent danger from the landslide that had occurred during the rainy season of 2017
  2. At present, there exists no lake along the course of the river and there isn’t any obstruction in the path of the river

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