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TAWANG, Aug 22: A team of the District Disaster Management Authority (DDMA) Tawang led by Deputy Commissioner Kangki Darang and Superintendent of Police, DW Thongon reached Sangnga Nehgu Lake at 16000 ft near the glacier on the mount Gorichen range, to study probable glacier lake outburst flood (GLOF).
The initiative was taken on receipt of instructions from the National Disaster Management Authority (NDMA), Govt of India regarding three sensitive glacial lakes in Tawang district.
The team comprised of EAC Mogto Honjon Perme, AE WRD, Jang, Kago Kani, DIPRO Tawang, trek leader and photography expert Jambey Dondu, representatives from army, NIMAS and other support staff. The team started moving from Jethang(13200ft) on August 20 last and halted for a night at
Merathang(14600ft). Next day early in the morning, the team started to climb up and reached the lake Sangnga Nehgu (16000ft), surveyed it and returned back via Tso Kyei lake by evening to Jethang. The team found that recently on August 14 last there was an incident of glacial lake outburst from the same lake washing away more than five log bridges and damaging the Brokpa track at several locations. Further it was observed that there is still chances of GLOF from the same since the glacier on the back side of the lake is melting at a rapid rate increasing the volume of water in the lake.
Before moving back to Jethang, the DC while responding to the request made by Brokpas said that ₹ 3 lakhs will be immediately sanctioned from untied fund for repair and maintenance of recently damaged tracks and the matter regarding washed out bridges will be taken up with higher authority; regarding water supply at Jethang, he asked the Gram Panchayat to follow up the matter with the public health engineering department (PHED) and he further assured that necessary instructions for the same will be given to the Executive Engineer.
Another team led by Addl.DC Jang Hakraso Kri, visited the Tso Kyei lake(14800ft) for survey on August 20 last and returned back the same day. A team of ITBP were stationed at Jethang for emergency back up to the teams.