Sikkim: The first cloud burst in Sikkim, its water fell into South Lahonal Lake in Lechen Valley near Chungtang. This glacial lake, which was already considered dangerous, overflowed to such an extent that it caused destruction in the Teesta river. An army base was built on its banks, from there 23 soldiers went missing and many army vehicles were washed away. Know. About this long and wide lake, warnings about the danger of which were being given for many years.

These are lakes. South Lahonq Lake, also known as Snow Lake or Glacial Lake. These are made from glacier water. These are about two and a half km long. So more than half a km wide. Its depth is equal to that of a 10-storey building. For many years, experts had been identifying it as one of the 14 glacial lakes formed in this area, which are extremely sensitive.

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These are in the far north-western region of Sikkim. Till a few years ago, this was a small lake, but due to the glacier water, it started expanding rapidly, then experts started warning about the way the water in it was increasing. And they are expanding. So in the future, if ever there is excessive rain here or a cloud burst, it will bring devastation. Now this is what happened. The concerned survey department of the Center also inspected this place and put it in the list of 14 potentially dangerous lakes susceptible to glacial lake outburst floods.

These lakes are located at an altitude of 5,200 meters (17,100 ft) above sea level. It was formed by the melting of Lonak Glacier. The size of the lake was increasing unusually rapidly over the past few years due to glacier melting and additional meltwater from the nearby North Lonak and Main Lonak glaciers.

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However, whatever warnings have been issued regarding this lake, it is not for a few years but for many decades. Because for the first time its pictures were collected by the Central Intelligence Agency and the United States Air Force between 1960 and 1972. Then they saw this lake as a superglacial lake at the mouth of the glacier. It was identified as a largely sensitive lake in the multispectral scanner of the 1977 Landsat program.

In 1977, the area of this lake was 17.54 hectares. But after this, when the assessment was done in 2008, its area had increased by 81.1 hectares, which was shocking. It has been increasing in recent years. Since these lakes are in the disturbed hill valleys of Sikkim. Therefore its risk increases further. Because there was a fear of water moving downwards very fast from here.

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South Lhonk Lake is among the largest glacial lakes formed by the glacier. Two years ago its total area was 126 hectares, whose length was 2.30 km and width was 600 to 700 meters. The country's expert agencies had started expressing concern over the speed with which the lake was expanding and increasing its water volume. The team of scientists of the State Remote Sensing Application Center had completely investigated it 05 years ago.

Superfast News Coverage By YuvaPatrkaar.com Team

Publish Date: October 4, 2023

Posted By Rahul Bhardwaj

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