Antarctic ice melting will increase sea-level by 2.5m irrespective of Paris goals: Study

In an alarming update to global warming, a recent study has revealed that melting Antarctic ice sheet will end up increasing sea levels by at least two and a half metres even if goals of 2015 Paris Accord are met by countries.

Researchers have said that Antarctica is “committed to becoming virtually ice-free” and in some instance, se losses will grually become irreversible leing to disappearance of many coastal cities and cultural herit sites. 

Researchers from Potsdam Institute for Climate Impact Research (PIK), Potsdam University and Columbia University’s Lamont-Doherty Earth Observatory have said in ir study published in journal Nature calculated how much increase in Earth’s temperature can Antarctic ice sheet survive. After which y concluded that in case nations fail to meet goals of Paris Climate Agreement, long-term sea-level contribution by Antarctica will exceed that from all or sources.

study said, “In particular, West Antarctic Ice Sheet does t regrow to its modern extent until temperatures are at least one degree Celsius lower than pre-industrial levels. Our results show that if Paris Agreement is t met, Antarctica’s long-term sea-level contribution will dramatically increase and exceed that of all or sources.”

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Greenland ice sheet melted at record rate in 2019

Meanwhile, scientists have previously said that loss of ice in Greenland, largest contributor to rise in sea level, occurred at a record rate in 2019, surpassing previous values by 15 percent.

A separate analysis published in journal Nature states that scale at which glaciers are melting is ‘unprecedented’ as per records dating as back as 1948. immediate cause of such huge loss, explained by researchers, is high-pressure systems that became blocked over Greenland last summer. 

melt was so massive that it would be just eugh to cover entire California in more than four feet of water. Two years after Greenland ice sheet melted at a minimal rate, it broke all records last summer with 586 billion tons (532 billion metric tons) of ice melting which is more than 140 trillion gallons (532 trillion litres) of water.

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