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LATEST NEWS UPDATES | Clear impact of climate change in Himalayan disaster -Joydeep Gupta, Varsha Singh and Soumya Sarkar

Clear impact of climate change in Himalayan disaster -Joydeep Gupta, Varsha Singh and Soumya Sarkar

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published Published on Feb 8, 2021   modified Modified on Feb 16, 2021

-TheThirdPole.net

As the world warms and glaciers retreat faster, the need is to brace for more disasters and minimise impacts by reviewing ill-planned dams and roads

Under the weight of a suspected avalanche, a massive chunk of ice and frozen mud broke away from a glacier in the high Himalayas and fell into a lake that had formed at its snout due to climate change. The moraine around the lake collapsed and a flash flood came roaring down the Rishi Ganga river in Uttarakhand, India, on the morning of February 7. Over a day later, more than 152 people working inside tunnels to build two hydroelectricity projects downstream were still missing; 25 have been rescued and ten bodies found. Mud inundates the project sites, and teams are still trying to open up the tunnels. One large and ten smaller bridges have been washed away.

Glaciologists are trying to identify the glacier inside the Nanda Devi Biosphere Reserve that broke away due to six-decade-high temperatures in January, another effect of climate change. This had led to pockets of meltwater within the glacier, thus accelerating the breakup and adding to the volume of water in the lake. When the lake collapsed, the flash flood brought mud and boulders down with the gushing water. The boulders smashed into the dams being built for the hydroelectricity projects; the mud engulfed the tunnels, long after the floodwaters had passed downstream.

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TheThirdPole.net, 8 February, 2021, https://www.thethirdpole.net/en/climate/clear-impact-of-climate-change-in-himalayan-disaster/?utm_source=The+Third+Pole+newsletter&utm_campaign=891cefb0d4-EMAIL_CAMPAIGN_2020_03_16_05_41_COPY_01&utm_medium=email&utm_ter


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