Latest News

China rushes in to minimize risk of mountain barrier lake near Nepal border

China is racing to reduce a risk of a barrier-lake bursting that could cause more flooding along the border crossing between its Tibet region and Nepal. This could exacerbate the catastrophe which has claimed hundreds of lives since Wednesday. Both Nepal and China warned of new risks of flooding as a newly formed lake across their borders threatens to collapse. The region is still dealing with the catastrophic floods of this week.

According to CCTV, the Chinese authorities mobilized an eight-member team of engineers to conduct aerial surveys as well as 3D modelling for the barrier?lake.

Chen Hanxiao, one of the engineers, stated that the challenges include difficult access to the site.

On Thursday night,?Chen said that after the glacier collapsed created the lake many isolated cliffs as well as steep cliffs appeared.

Chen explained that the best way to reduce the threat of the lake is to dig a drainage channel below the dam. However, the width and depth needed to be calculated based on how quickly water will flow and fill the lake.

The survey revealed that the reservoir was 1.5-2 million cubic meters of water. It measured 150 metres in length and 40-50 metre depth.

The next task was to collect data and monitor the lake, as well weather monitoring for the upcoming days.

Gyirong's border port area has experienced light to moderate rain, which has caused soil and rocks surrounding the unstable zone upstream to become looser and more unstable. Rain is expected to continue for the next week.

China warned on Thursday that over the next few days 3 million cubic meters -- or the equivalent of 1,200 Olympic swimming pools -- will flow into the lake still dammed, creating a risk of a breach. Peak flow is expected around September 1.

A Chinese rescue team captured the formation of a barrier?lake in aerial footage shown by state broadcaster CGTN. The footage showed masses of brownish water accumulating in a basin without an obvious outlet. It had already submerged trees and bushes, and appeared to be pushing against a wall of stones and debris. Officials say that nearly 1,000 people are still missing, both on the Chinese and American sides of border. This includes 540 foreigners, from 31 different countries. Reporting by Liz Lee and Qiaoyi Li; Editing done by Lincoln Feast.

(source: Reuters)