Greenland, the largest glacier collapse: the seas could “climb” of half a meter – TGCOM

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14:33 – Zachariae Isstrom , a huge glacier in Northeast Greenland He is collapsing rapidly. It is a formation that contains enough water to be able to raise the sea level by half a meter globally. According to a US study published in the journal Science , the glacier is breaking into large icebergs and, from 2012, is retreating three times faster than in previous years, in a rate of 125 meters per year.

The threat to the Zachariae Isstrom is twofold: the melting is caused is “above” , that is, from ‘warmer air that dissolves the top, is “bottom” by ocean currents, which are also the hottest, which erode the submerged part. The result, experts say, is that the “ice giant” is losing 4.5 billion tons of water per year .

“The loss of water is happening quickly in terms glaciological, but slowly in human terms: does not happen all in one day or in one year, “says John Padel University of Kansas, one of the authors of the survey that examined aerial and satellite images Glacier in the last 40 years. The first signs of “poor health” of the glacier have been detected since 2000.

tag:

Greenland

Zachariae Isstrom

Climate

Global Warming

Arctic

John Padel

Kansas