Uttarakhand: Why ‘Catastrophe’, Why The Glacier Is Broken
The remote area in which this has happened means that no one will have a clear answer to the question as to why it has happened.
— Zeba Warsi (@Zebaism) February 7, 2021
According to experts doing research on glaciers, there are more than a thousand glaciers in this part of the Himalayas.
Experts believe that the most likely possibility is that due to the rise in temperature, huge icebergs have broken, due to which large amounts of water have been released from them.
And because of this, avalanches must have occurred and rocks and soil would have broken and come down.
DP Doval, who recently retired from the Wadia Institute of Geology, Government of India, says, “We call them dead ice because it separates during the retreat of the glaciers and usually contains debris of rocks and pebbles.” It is very likely because huge amount of debris has flowed towards the bottom. “
Some experts also believe that there may have been an avalanche in some glacier lake due to which a large amount of water has come down and flooded.
But some experts also say that there is no information of any such glacier lake in that area.
Dr. Doval says, “But it cannot be said how soon and when the lake is formed in the glacier these days.”
The glacier is melting in the Hindu Kush Himalayan region due to rising temperatures due to global warming, due to which the glacier lakes are taking a dangerous expansion and many new lakes have also been formed.
When her water level reaches a dangerous point, she crosses her borders and sweeps anyone who comes in the way. There are also settlements on the way and infrastructure like roads and bridges. There have been many such incidents in this area in recent years.
There is also a possibility that due to avalanches and landslides, the river may have been blocked for some time and due to rising water level, a huge amount of water may have been suddenly lost.
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Due to landslides in the Himalayan region, there have been many cases of rivers getting blocked and floating lakes. Later these lakes drain important infrastructure like human settlements, bridges and hydro power projects.
In 2013, when the catastrophic floods took place in Kedarnath and many other areas of Uttarakhand, many theories were also given.
Dr. Doval says, “It was only after a long time that we were able to clearly state that the rupture of the Chaurabari glacier lake was the cause of this flood.”
Uttarakhand officials say that a team of experts is being sent to find out why this flood has occurred in Dhauliganga river.