#Uttarakhand_Disaster
I would urge everyone to not look at this sans dams. It is definitely a dam-related disaster for the following main reasons: 1) Chopra Committee report, which analysed the 2013 Kedarnath disaster, mentioned how damaged dams cause further damage downstream.
contd...
This is because the debris from the damaged dams, increases the force of the flood waters. This means flood water, mixed with debris is absolutely disastrous for downstream areas.
2) Today, Rishiganga dam was damaged. 50 construction workers are missing. The flood waters with the debris from the dam headed downstream to Dhauli Ganga river, where 100 construction workers working on Tapovan dam project are missing. (Bodies are being recovered).
3) Tapovan project also suffered damages, mainly because the water+debris from the flood and the damaged Rishiganga project, inflicted more damage on the downsteam Tapovan project
4) There's more:
Uttarakhand High Court Order dated July 15, 2019 clearly states that illegal activities, such as mining, were happening in the name of the Rishiganga hydro project work. Explosives were being used in the ecologically fragile zone.
contd...
court has instructed that use of explosives be banned. This is about one hydro project. The Valley where the deluge happened is filled with hydropower projects. Hence, one must not look at it as just a natural disaster.
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An imp input on #Uttarakhand_Disaster
Spoke to D P Dobhal, former glaciologist at Dehradun's Wadia Institute of Himalayan Geology. He said:
-Lake formation happened for sure, which eventually breached today and caused the floods.
Dobhal contd:
-There could be a few possibilities of how the lake was formed: 1) the heavy sediments in the flood waters show that an avalanche could have happened, which would've have dammed the river waters. Glacier debris could also have added to the damming.
Dobhal contd: 2) It could have been a GLOF. Only further investigation can confirm.