Ice sheet collapse at both poles to start sooner than expected, study warns

[Paco Dennis]

"Even if we manage to stabilize Earth's temperatures by peaking at 2 °C, Greenland's and Antarctica's vast ice sheets are on track for irreversible melting, a new study warns.

"If we miss this emission goal, the ice sheets will disintegrate and melt at an accelerated pace, according to our calculations," explains climate physicist Axel Timmermann from the Institute for Basic Science in Korea.

Global sea levels have already risen about 20 centimeters on average over the last century. The calculated acceleration would put one in 10 people at direct risk from rising sea levels, UN secretary-general Antonio Guterres explained at a Security Council debate in New York.

"For the hundreds of millions of people living in small island developing states and other low-lying coastal areas around the world, sea-level rise is a torrent of trouble," he said.

"We would witness a mass exodus of entire populations on a biblical scale.""

2 minute read

https://www.sciencealert.com/ice-sh...les-to-start-sooner-than-expected-study-warns

 

[squatting dog]

Now's the time to grab up that soon to be ocean front land in Arizona.


Not like there hasn't been warnings since at least the 70's.

https://www.osti.gov/biblio/5829641

https://journals.ametsoc.org/view/journals/clim/4/4/1520-0442_1991_004_0438_amoslr_2_0_co_2.xml

https://www.c2es.org/document/sea-l...ate-change-a-review-of-impacts-to-u-s-coasts/

 

[Warrigal]

When the planet warms enough that the tundra regions begin to thaw, things will get very much worse. The frozen vegetable matter will decay and release massive amounts of methane and CO2, exacerbating the problem. When the ice covering Antarctica becomes liquid there will be very significant rise in sea levels and the salinity of the world's oceans will be affected.

These changes will affect marine ecosystems and human settlements. A good deal of adaptations will be forced on human and non human life.

There is no way to reverse the thaw. The best we can do is to slow it down and hope to stabilise it at some point.

 

[Alligatorob]

Forecasts like these are hard to make with much accuracy, but I do believe temperatures and sea level are rising.

What I don't believe is that we, the people of the earth, will be able to do much effectively about it. With population growth and so much of the world in poverty I just don't see it. Well educated affluent peoples, the US for example, can't agree, how can we expect places like India, Russia, China, Zimbabwe, etc to come to agreement on anything effective.

There is no way to reverse the thaw.

I agree.

The best we can do is to slow it down and hope to stabilise it at some point.

But I am not confident we will or can do even that...

So get ready it's coming... not quite sure what or when, but it is coming.

 

[Disgustedman]

Here's the point everybody seems to be missing: the Arctic Ocean's ice has indeed disappeared during summer in the past, routinely. The evidence comes from various sources, such as beach ridges in northern Greenland, never unfrozen today, which show evidence of wave action in the past.


https://www.rationaloptimist.com/bl...point everybody seems,wave action in the past.