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Worst Case Sea Level Rise by Century's End Could Be Doubled, New Study Finds
Written by <a href="index.php?option=com_comprofiler&task=userProfile&user=48342"><span class="small">Olivia Rosane, EcoWatch</span></a>   
Tuesday, 21 May 2019 12:56

Rosane writes: "A new study has more than doubled the worst-case-scenario projection for sea level rise by the end of the century, BBC News reported Monday."

A woman walks in front of her water-logged home in Sriwulan village, Sayung sub-district of Demak regency, Central Java, Indonesia, February 2, 2018. (photo: Siswono Toyudho/Getty)
A woman walks in front of her water-logged home in Sriwulan village, Sayung sub-district of Demak regency, Central Java, Indonesia, February 2, 2018. (photo: Siswono Toyudho/Getty)


Worst Case Sea Level Rise by Century's End Could Be Doubled, New Study Finds

By Olivia Rosane, EcoWatch

21 May 19

 

new study has more than doubled the worst-case-scenario projection for sea level rise by the end of the century, BBC News reported Monday.

In its fifth assessment report, the Intergovernmental Panel on Climate Change (IPCC) predicted between 52 and 98 centimeters (approximately 1.7 to 3.2 feet) of sea level rise by 2100. But the new study, published in the Proceedings of the National Academy of Sciences Monday, put the range at 62 to 238 centimeters (approximately two to 7.8 feet).

"We should not rule out a sea-level rise of over two meters (6.5 feet) if we continue along a business-as-usual emissions trajectory," study lead author of the University of Bristol Jonathan Bamber said, according to USA Today.

The upper estimate is what would happen if temperatures rose 5 degrees Celsius by the century's end and has about a 5 percent chance of occurring. But Bamber said it was still worth taking seriously.

"If I said to you that there was a one in 20 chance that if you crossed the road you would be squashed you wouldn't go near it," Bamber told BBC News. "Even a one percent probability means that a one in a hundred year flood is something that could happen in your lifetime. I think that a five percent probability, crikey — I think that's a serious risk."

Such a rise in sea levels would have devastating consequences. It would swallow 1.79 million square kilometers (approximately 700,000 square miles) of land, an area roughly the size of Libya, or three times the size of California, according to USA Today. The inundation would threaten important agricultural areas like the Nile delta, parts of Bangladesh and major cities like New York, London and Shanghai, BBC News said. It would also swamp Pacific island nations and displace as many as 187 million people, Bamber told New Scientist. Bamber put it in perspective for BBC News by saying that the Syrian refugee crisis had seen only one million displaced into Europe.

"A sea-level rise of this magnitude would clearly have profound consequences for humanity," Bamber said, as USA Today reported.

Bamber and his team based their findings on the work of 22 researchers focusing on how Greenland and Antarctica's ice sheets might respond to additional climate change.

Recent studies based on satellite data have shown that glaciers in both the Arctic and Antarctic are melting at accelerating rates. A theory has also emerged that ice cliffs in Antarctica might collapse as the ice sheets that support them melt.

Bamber told New Scientist there was still time to avert catastrophe.

"We can make some choices but we have to make them very soon," he said.

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+1 # DongiC 2019-05-22 03:44
Not to worry, folks. Trump claims that global warming is a Chinese hoax.
 
 
+2 # ddd-rrr 2019-05-22 07:36
.
"We can make some choices but we have to make them very soon."

That's not going to happen with the stupid "trumpians" in power!
 
 
+2 # Kootenay Coyote 2019-05-22 08:18
The kids are on side, people everywhere demonstrate, the scientific prophets add grim evidence upon evidence, species vanish, & governments still twiddle their thumbs, refusing to act seriously. Tragedy here & now, catastrophe coming soon.
 
 
0 # jwb110 2019-05-22 13:25
The "mis-informatio n" in this projection is not mentioning that this sea level rise would suddenly happen on the first day of 2101. These rises will be happening everyday little by little. The problem starts today not in 80 years. These effects are already being experienced by the harbor for the Atlantic Fleet. Sea level changes have mad it increasing difficult for personal to get to the port when there are high tides and heavy rains. This is happening NOW not in 80 years. Add to that in the downgrading of climate impacts in 2100 that are not projected to happen in 2050 and you get a better picture of where this will inevitably go.
It's like the list of dwindling mammals who are listed for potential extinction. HUMANS are mammals. That designation should be on the list if these studies are going to bring the message home to the world wide public.
As near as I can tell from the articles I have read, if we stopped everything that contributes to these climate upheavals at the moment of this comment, it will be 200 years before we can really see the extent of the damage that has been done. That doesn't mean that the damage will reverse itself. It means that we will just be beginning to fix the problems.
When the article appear on this site that certain of the 2100 effects of climate change had been downgraded to 2050. I was glad to be old and childless. In 2050 I would be 100 years old. It was the first time in my life I calculated my demise from 100 backwards.