Enough ice melted in Greenland on Tuesday to cover Florida in two inches of water

The amount of ice that melted from Greenland on Tuesday alone would be enough to cover the whole US state of Florida in two inches of water, scientists have warned.

The autonomous Danish territory is suffering significant melting as Arctic temperatures soar.

While the number of gigatons lost is not as extreme as in 2019, a record melt year, the overall area of the ice sheet that is shedding mass is actually larger, according to Polar Portal, which represents Danish Arctic research institutions studying the Greenland ice sheet and sea ice.

Researchers warned of a “massive melting event in Greenland” in a tweet, adding that it “would be enough to cover Florida with two inches of water”.

Massive melting event in Greenland. While not as extreme as in 2019 in terms of gigatons (left image – but still would be enough to cover Florida with two inches of water), the area over which melting takes place (right image) is even a bit larger than two years ago. pic.twitter.com/rEeDIlYTA7

— Polar Portal (@PolarPortal) July 29, 2021

Temperatures in Greenland reached “worrisome” levels on Wednesday, said DG DEFIS, the EU Commission’s directorate-general for defence industry and Space, as Constable Pynt, 70 degrees north, saw highs of 23C.

The Greenland ice sheet alone contains enough that could raise global sea levels by 7.5 metres, or 23 feet.

There is growing evidence that rainfall is increasing at the expense of snow in Greenland, with complicated implications for ice melt, a branch of Polar Portal tweeted. Rain adds to mass but refreezing in the snow warms the snowpack.

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#ImageOfTheDay#HeatWave: worrisome temperatures 🌡️♨️are being recorded in #Greenland

On 28 July

✔️ 23.2°C in Constable Pynt (Lat 70°N)

✔️ 19.8°C in Danmarkshavn (Lat 76°N)

⬇️@CopernicusEU#Sentinel2 🇪🇺🛰️image of the same day showing high sediment discharge from ice melt 🧊 pic.twitter.com/4hsZj9hPpW

— 🇪🇺 DG DEFIS #StrongerTogether (@defis_eu) July 29, 2021

The impacts of human-caused climate change are especially pronounced in the Arctic, which is warming three times faster than the global average.

On Thursday a global group of climate experts warned the region was experiencing several “never before events” and was a “ground zero” for “cascading climate impacts across the planet”.

Most of Greenland is covered with ice today. But a new study shows that within the last million years it melted off and became covered with green tundra, perhaps like this view of eastern Greenland, near the ocean. The research provides strong evidence that Greenland is more sensitive to climate change than previously understood—and at risk of irreversibly melting. (Photo: Joshua Brown)
Image:A view of eastern Greenland, near the ocean. Pic: Vermont University/Joshua Brown

They said rapid warming and melting there is likely a “major trigger” for disastrous changes to our weather systems.

Up to 90% of global warming is absorbed by the oceans, which expand as a result, pushing up sea levels.

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Mark Gibson

Graduates in Northwestern University, Evanston, Illinois 1990. Move to Los Angeles California in 2004. Specialized in Internet journalism.

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