Heatwave caused massive melting of Greenland ice sheet

The researchers observed that Greenland's ice sheet experienced a "massive melting" during a heat wave,

when the temperature exceeds the seasonal norm by more than 10 degrees.The shield, which covers a vast Arctic area, has melted by about 8 billion tons per day, twice as muchits usual average speed in the summer, according to the Polar Portal website, where their discoveries are publishedDanish researchers.

The Danish Meteorological Institute recordedtemperatures of 20 degrees Celsius in northern Greenland, more than double the usual average summer temperature. And at the airport Nerlerit Inaat in the northeast, 23.4 degrees were recorded, which is the highest figure since the beginning of this record.

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On the day that the heat swept most ofGreenland, the Polar Portal website reported a massive melt - the water that formed could cover the entire state of Florida with water, five centimeters thick. However, this is not the largest melting of the Greenland ice sheet - it happened in the summer of 2019.

Greenland ice sheet - second largestthe mass of freshwater ice on a planet of almost 1.8 million square kilometers, second only to Antarctica. The melting of the ice sheet began in 1990 and has accelerated since 2000. The weight loss in recent years has been roughly four times greater than it was before 2000, Polar Portal researchers say.

Researchers, using computer simulations, have determined that ocean levels will rise 10-18 centimeters by 2100 - 60% faster than previously thought.

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