News24.com | Monster iceberg released 'billions of tons' of fresh water into ocean

The hurricane that struck Antarctica in 2017 released 61 million Olympic freshwater pools when it melted, according to a study published Thursday, which raised questions about the marine environment.

The glacier was twice the size of Luxembourg as it separated from the Larsen glacier, which is much warmer than any other part of the southern hemisphere.

At 5,719 kilometers iit was the largest glacier in the world when it was formed and the sixth most recorded, according to the British Antarctic Survey.

For two years, a trillion-ton giant known as the A-68, flew near its home in the cold waters of Lake Weddell before moving north and threatening the British island of South Georgia, about 4,000km from its launch.

The iceberg, then known as the A-68a piece cut, reached near the island by the end of 2020, threatening to land under the sea, blocking sea waves and blocking the passage of thousands of penguins and seals. .

READ | Antarctica is melting faster than anyone else thinks, and we are not prepared for the upcoming sea level rise.

But a new study found that although they ate little grass on the seabed, the glaciers quickly melted away once in the tropical area around South Georgia and had already lost much of their volume in shallow water.

Researchers who tracked satellite navigation calculated that from the end of 2020 until dissolved in 2021, the A-68 produced about 152 billion tons of fresh, salty water in the oceans.

This is equivalent to 20 waters in the Scottish Loch Ness, or 61 million Olympic swimming pools, BAS said in a press release, adding that it was “a disruption that could seriously affect the island’s habitat”.

“This is a lot of dissolved water,” said Anne Braakmann-Folgmann, a researcher at the Center for Polar Observation and Modeling (CPOM), who led a study published in the journal Remote Sensing of Environment.

“The result we want to learn is that it has a profound effect on the environment,” around South Georgia, he said.

‘Classic’ method

Researchers have said that cold-water ice and the nutrients released by melting ice could affect local oceans and lead to more natural production.

Braakmann-Folgmann said the A-68 took an “old” route across the glacier in the region, adding that further research was needed to find out more about how the volcanoes affect polar oceans.

Ice forms when ice melts off the ice or ice and begins to float in open water.

Their design is part of natural phenomena, even those that can be accelerated by global warming and ocean warming due to climate change caused by humans.

Global temperatures have risen by one degree since the 19th century, resulting in increased droughts, warming waves, and hurricanes.

But Antarctica’s air is twice as hot.

The glaciers at the top of Greenland and the West Antarctic contain ice that is enough to lift 12 meters (40 feet) of sea level, drown in cities and recreate beaches of the earth.

Icebergs are traditionally mentioned after the Antarctic quadrant as they were first identified, followed by the serial number.

If they break a lot of letters are added to separate the pieces.


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