Chamoli Lake

Chamoli Lake

Subject: Geography

Context: The lake which led concern of fresh deluge post-Uttarakhand flood recently is said to be 8 to 9 metres deep with aroung 50000 cubic metres of water in it.

Concept:

• The lake was formed upstream of the Rishi Ganga river after the February 7 flash floods in Uttarakhand’s Chamoli district.
• The exercise to measure depth was taken jointly by the Air force and the Indian Navy. For the operation the helicopter hovered 14,000 ft above sea level, the divers plunged into the ice-cold water with handheld echo sounders to calculate the depth