Thursday, 13 August, 2020


Iceberg size of Malta breaks off Antarctica

Pine Island Glacier Massive Iceberg Iceberg size of Malta breaks off Antarctica
Kristine Garrett | 14 February, 2020, 09:25

As per records, the iceberg was nearly as big as Atlanta at more than 300 square kilometers (116 square miles).

Video released from the ESA shows a time lapse of 57 radar images taken by the Sentinel-1 satellite, which belongs to Copernicus, a joint EU-ESA program created to provide high quality monitoring of Earth.

"The sequence of calving events over the last years shows that they have become more frequent, that the icebergs disintegrate more quickly and that the Pine Island ice shelf is reaching its smallest extent in recent observational history", he said. "The acceleration of the Pine Island glacier stretches the glacier, causing the thinning and likely making the ice more prone to crevassing (cracking) upstream".

There is a lot of imbalance in the glacial system, due to the warming temperatures.

The Pine Island Glacier is one of the fastest-retreating glaciers in Antarctica, and along with the Thwaites Glacier, has been the focus of scientific scrutiny for over 25 years. But since 2013, the glacier has calved five times, according to Stef Lhermitte, a remote sensing scientist from the Delft University of Technology in the Netherlands.

Together with its twin iceberg Thwaites, Inverse reports that PIG contains enough ice to raise global sea levels by four feet, a change that would lead to catastrophe.

In Antarctica, a new iceberg of the huge sizes broke off from the glacier pine island.

Since the early 1990s, the Pine Island Glacier's ice velocity has increased dramatically to values which exceed 10 meters a day. "Its floating ice front ... has experienced a series of calving events over the past 30 years, some of which have abruptly changed the shape and position of the ice front".

It comes just days after a station on the Antarctic Peninsula logged its hottest day on record, registering a temperature of 18.3 degrees Celsius.

The dramatic changes over the space of just one year show how dramatically a crack can form and grow for icebergs.

"Sea level rise can have huge economic and societal impacts". "These satellites are showing how much mass has been lost".

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