Tech & Science Millions displaced if Antarctic ice melts

05:00  05 february  2018
05:00  05 february  2018 Source:   MSN

Australia Day marked in Antarctica as plumber takes pledge in cool citizenship ceremony

  Australia Day marked in Antarctica as plumber takes pledge in cool citizenship ceremony A plumber from the UK working in the Australian Antarctic Territory becomes an Australian citizen in perhaps coolest way possible way, surrounded by icebergs, penguins and elephant seals.One of the country's newest citizens recited his pledge in the perhaps the coolest way possible, surrounded by penguins, icebergs and elephant seals.

Story highlights Scientists say Antarctic 's ice land melting 'appears unstoppable' Carl Safina: Who cares if sea level rises and wipes out coastal cities? where 18 million people will be displaced in the next 40 years by rising seawater or having

"It is this combination of available warm water offshore, and a transport of this warm water onto the shelf, that has seen rapid ice shelf melt along the West Antarctic sector over the past several "This would be disastrous for coastal regions and displace hundreds of millions of people worldwide".

<span style=Millions of people could be displaced if 15 metres of Antarctic ice melts, a top professor warns ahead of an international climate change meeting in Sydney." src="/upload/images/real/2018/02/05/span-style-font-size-13px-millions-of-people-could-be-displaced-if-15-metres-of-antarctic-ice-melts-_858488_.jpg" />© Getty ImagesMillions of people could be displaced if 15 metres of Antarctic ice melts, a top professor warns ahead of an international climate change meeting in Sydney. Melting ice poses one of the greatest threats to the modern world, a top Australian climate change professor has warned.

UNSW Sydney professor Matthew England is one of six keynote speakers at an international conference in Sydney starting on Monday which is addressing climate change and in particular looking for solutions to problems in the Southern Hemisphere.

Prof England says up to 15 metres of Antarctica ice could melt into the oceans if the Earth gets hot enough over the next several centuries.

This creepy fish with hands just doubled in known population

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A one-degree Celsius (two-degree-Fahrenheit) change in temperature is predicted to result in a one-meter (three-foot) rise in sea level, which would displace millions of people in coastal cities If sea ice (frozen salt water that is floating in the Arctic and Antarctic oceans) melts , will the sea levels rise?

To determine how much sea level would rise if Antarctica were to melt , we need to determine the volume of land ice . The ice that is in the sea is floating already, and so it will displace the same amount of water when melted . The land ice on the Antarctic ice sheet takes up a volume of ~26.5 million

"And that's enough to make many of the world's coasts unviable if we do nothing to limit atmospheric greenhouse gas concentrations," Prof. England told AAP.

"Tens of millions of people could be displaced."

It comes after 2017 research showed about eight islands in the Pacific Ocean have disappeared due to rising sea-levels, with many others being drastically reduced in size as their shorelines are swallowed by creeping oceans.

Past meetings of scientists at the national forum have led to global policies to ban the use of ozone-depleting chemicals, managing commercial activity to protect Southern Ocean ecosystems and have informed international discussions on climate change.

The other five keynote speakers have expertise in subjects ranging from space studies, atmospheric research, coral reef studies, climate science and weather extremes.

The 25th AMOS-ICSHMO 2018 will be the largest ever meeting of meteorologists, oceanographers and climate scientists in the Southern Hemisphere involving 35 countries.

Prof England will also receive the Tinker-Muse Prize for Science and Policy in Antarctica for his research, leadership and advocacy in Antarctic science on Monday.

The conference runs until Friday at the University of NSW.

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