The deadly flood in Nepal’s Bhote Koshi River that killed at least nine people and left more than two dozen missing this week was triggered by the draining of a supraglacial lake in the Tibet region of China, a regional climate monitoring body said on July 9. At least 19 people, including six Chinese workers at the Beijing-aided Inland Container Depot, remain missing in Nepal after the July 8 floods that also washed away the ‘Friendship Bridge’ that links Nepal and China.
China’s official Xinhua news agency has said 11 people were unaccounted for on the Chinese side of the mountainous border region. The Kathmandu-based International Centre for Integrated Mountain Development (ICIMOD) said satellite imagery showed the flood originated from the draining of the lake north of Nepal’s Langtang Himal range.
“This is based on the preliminary analysis based on the available satellite images,” Mr Sudan Maharjan, a remote sensing analyst and expert of glaciers at ICIMOD, told Reuters.
A supraglacial lake is formed on the surface of glaciers, particularly in debris-covered areas. It often begins as small meltwater ponds that gradually expand and sometimes merge to form a larger supraglacial lake, experts say.
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