In the last few decades the speed of polar ice loss at both ends of the planet has begun to gallop away at rates which will have a marked effect on global sea levels. Antarctica is now losing ice mass six times faster than it did 40 years ago. In the decade that began in 1979, the great white continent surrendered 40 billion tons of ice a year to raise global sea levels. By the decade 2009 to 2017, this mass loss had soared to 252 billion tons a year. And in Greenland, the greatest concentration of terrestrial ice in the northern hemisphere has also accelerated its rate of ice loss fourfold in this century. Satellite studies confirm that in 2003, around 102 billion tons of ice turned to flowing water or broke off into the ocean as floating bergs. By 2013, this figure had climbed to 393 billion tons a year.
Climate New Network 22nd Jan 2019 read more »
Greenland’s ice is melting much faster than previously thought, a study has found. New research suggests the land is depleting four times more quickly than in 2003. Michael Bevis, professor of geodynamics and lead author of Ohio State University’s report, claimed humankind might even have passed the point of no return in its quest to combat climate change. Scientists who worked on the study said rising sea levels caused by melting glaciers could prove disastrous to coastal cities. US cities such as New York and Miami were noted as being particularly vulnerable. But coastal towns and cities around the world may suffer.
The i News 22nd Jan 2019 read more »
Greenland has gone through an “unprecedented” period of ice loss within the last two decades. The Grace satellites revealed a four-fold increase in mass being lost from Greenland’s ice sheet from 2003-2013. The study in Proceedings of the National Academy of Sciences shows that ice loss subsequently stalled for 12-18 months. The research reveals how different areas of Greenland might contribute to sea-level rise in future. The consequence of this finding is that south-west Greenland, which had not been considered a serious threat, now looks as if it will become a major future contributor to sea-level rise.
BBC 22nd Jan 2019 read more »