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The disaster triggered avalanches, burst glaciers and flooded rivers, devastating villages, roads, bridges and hydro-electric power projects (HEPs), and sweeping away over 250 locals and workers. While 69 bodies have been recovered so far, authorities have declared 135 people still missing as “dead” and the huge rescue operation is now a recovery effort. At the time of writing, 21 bodies have been pulled from the slush-filled 2.5 kilometre-long tunnel at the state-owned National Thermal Power Corporation’s (NTPC) Tapovan-Vishnugad project site, where about 30 workers were feared trapped...

A massive surge of rock, debris, and icy water killed more than 50 people in Uttarakhand this month. Nearly 150 others are still missing.

Updated Feb 08, 2021 | 14:10 IST The monster of climate change has a firm grip on the ecological balance of the world. Disasters such as Chamoli and Kedarnath flashfloods are likely to get more frequent as glaciers lose more mass. Ngozumba glacier, the largest glacier in great Himalayan range  |  Photo Credit: iStock Images Key Highlights In the next less than 15 years, the mountains of Himalayas bid adieu to the last of glaciers unless there is a drastic correction in use of fossil fuels and other factors affecting global warming. A study revealed that this...

As per glacial lake outburst flood (GLOF) is a release of meltwater which can be either from a moraine- or ice-dam glacial lake due to a dam failure. According to Britannica, a moraine can be referred to an accumulation of rock debris (till) carried or deposited by a glacier. GLOFs have three main features: -They involve -They tend to be -They result in What is Nanda Devi glacier? The Nanda Devi glacier forms part of the second-highest mountain in India -- the Nanda Devi mountain. While it the second-highest after Kangchenjunga, it is the highest mountain located entirely within the coun...

Because the glaciers are of the "winter accumulation type," a decrease in precipitation may have caused this, the study said. "The equilibrium line altitude swing suggests glaciers in the region have responded to deprived precipitation conditions since 1980," Bisht said. And while temperatures have been increasing since the 1980s, the study said, the glaciers are more sensitive to changes in precipitation. The larger context, however, is that of increased global temperatures. Mehta said, "Against the backdrop of warming since the mid-1990s, accelerated glacial reduction could be correlated wi...