New barrier lake threatens floods in the Himalayas
After a massive landslide washed down a valley along the Nepal‑Tibet border, a lake has filled the scarred gorge. Video footage shows a clear rise in water level, and expert geologists say the lake’s earth‑filled banks are fragile and could give way at any time. If the lake breaches, the torrent of water could break loose downstream and inundate towns, schools and farms already scarred by the flash flood of last week.
China’s emergency services have issued a “high risk” warning, urging local authorities to monitor the lake’s shore for signs of erosion or weakening. Rescue teams, based in the capital city of Lhasa, have prepared rapid‑response teams and water‑carrying vessels in anticipation of an emergency breakout.
The recent deadly flood was traced to the sudden collapse of a glacier that flowed into the same river downstream, underscoring how the region’s mountain ice and heavy monsoon rains can combine to create catastrophic events. “We do not want a repeat of that tragedy,” said a spokesperson for the Himalayan Disaster Prevention Bureau.
Local villagers report their homes as “already at risk,” and several NGOs have called for additional support for early‑warning systems and emergency shelters. Meanwhile, climate‑change analysts point to rising temperatures as a key factor that makes glacier melt and landslides more likely.
Source: BBC News
