Image Source : PTI A car caught within the particles on the website of the Tapovan hydel venture as rescue works undeway, a day after a glacier broke off in Joshimath inflicting huge flood in Dhauli Ganga River, in Chamoli district of Uttarakhand
A rock mass weakened because of years of freezing and thawing of snow could have led to the creation of a weak zone, triggering its collapse that resulted in flash floods in Uttarakhand’s Chamoli district on Sunday, preliminary observations by scientists of the Wadia Institute of Himalayan Geology (WIHG) counsel.
The crashing rock mass additionally introduced earth and lumps of snow with it. The friction could have resulted in heating, which may have prompted the floods, the observations counsel.
Scientists from the institute performed a helicopter survey of the realm to search out clues as to what led to the lethal flash floods that swept all the things in its approach.
So far, the flash floods have claimed 28 lives with round 170 folks nonetheless lacking.
Kalachand Sain, Director of the WIHG, stated the glaciers the place the incident occurred feed the Rishi Ganga river that in the end joins the Dhauli Ganga.
“This area has a really steep gradient. Our observations counsel that the rock mass could have weakened because of freezing and thawing. This typically results in the event of a weak zone and fractures.
“As the rock mass weakened, the glacier and snow came down crashing, it resulted in flash floods,” he stated.
The steep slopes of the mountains within the area additional elevated the depth of the crash.
Two groups of the WIHG comprising 5 glaciologists left for Joshimath on Monday to determine the rationale behind the incident.
An institute beneath the Department of Science and Technology (DST), the WIHG research the Himalayan atmosphere and its geology. Sain stated an preliminary report may even be despatched to the DST.
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