NASA
Poof!

A Lake in Antarctica Has Suddenly Disappeared

byTony Tran
Jun 27
NASA

Scientists have one solid theory as to what happened to it.

Sudden Disappearance 

Researchers have discovered the sudden disappearance of a massive, icy lake in East Antarctica.

Scientists say that the lake disappeared from the Amery Ice Shelf sometime during the 2019 Antarctic winter, according to Phys.org. It’s estimated that 600-750 million cubic meters of water disappeared into the ocean. 

The researchers published a study of their findings in Geophysical Research Letters on Friday. The authors were able to use satellite images of the ice-covered lake to narrow down the timeline of the event to a week or less in June. You can see a before and after picture of the lake for yourself below.

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Possible Explanation 

So what happened to the lake? Scientists believe that its waters might have actually drained out into the ocean due its own weight. 

“We believe the weight of water accumulated in this deep lake opened a fissure in the ice shelf beneath the lake, a process known as hydrofracture, causing the water to drain away to the ocean below,” said Roland Warner, the study’s lead author and glaciologist with the Australian Antarctic Program Partnership at the University of Tasmania, to Phys.org. 

Impacts of Climate Change

There’s a good chance that we’ll see more Antarctic (and Arctic) lake disappearances in the future as a result of climate change.

As global temperatures rise, ice shelves and glaciers will experience more melting, creating more melt lakes in the process. This could lead to even more hydrofracturing and a greater risk of destabilization for the ice shelves.

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So as mysterious and interesting as the disappearance of a whole Antarctic lake is, it’s also a sobering reminder of the devastating impact climate change can and will have on our planet. 

READ MORE: Antarctic lake suddenly disappears [Phys.org]

More on ice melt: Scientists Say Arctic Ice Is Thinning Twice as Fast as We Thought


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