he Kangerlussuaq Glacier was destroyed due to climate change back in 1930. This conclusion was made by scientists from the Geological Survey of Denmark and Greenland, who analyzed a series of historical photographs of the glacier. The study is published in the journal Geophysical Research Letters.
Historical aerial photographs and photographs from the level of the Earth’s surface, which were analyzed by scientists, were made by Danish and British expeditions that visited the east coast of Greenland from 1930 to 1935. According to researchers, the cause of the destruction of the glacier was the gradual heating of water, which began in 1920.
To confirm the time of the Kangerlussuaq collapse and the change in water temperature, scientists analyzed sedimentary rocks collected from the seabed at the place where the glacier used to be. The analysis showed the presence of chemical and physical evidence confirming the warming of water between 1920 and 1930.
Researchers note that the destruction of Kangerlussuaq occurred 30 years later than other glaciers in the region due to the fact that he was on a large underwater ridge, which helped him maintain stability for many years.