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Adapting to Sea Level Rise Could Save Trillions by 2100

RATE THIS! +26
Posted in Science on 5th Feb, 2014 03:07 AM by AlexMuller
The slow creep of sea level rise is putting more and more of these people and assets at risk. Since the start of the 20th century, sea levels have risen roughly 8 inches. That number is also expected to increase into the next century as ocean waters warm and expand and more water is added from melting glaciers.
 
A new study in the Proceedings of the National Academy of Sciences on Monday projects sea levels could rise from 9 to 48 inches by 2100. The wide range of uncertainty is due to the Antarctic and Greenland ice sheets, which appear fairly stable but if they were to start melting, could contribute as much as 25 inches to sea level rise.
 
The study projects that even with conservative economic and population growth, $17 trillion in coastal assets could be sitting below the 100-year flood level by 2100. In a wealthier, more populous world, that number would balloon to $210 trillion.
 
While these factors have been considered individually in previous studies, this is the first time sea levels, including contributions for the Greenland and Antarctic ice sheets, have been modeled in relation to both population growth and coastal development over the course of the 21st century. The results show that unless something is done, coastal flood could cause catastrophic losses every year.

Tags: climate changeglobal warmingfloodingseal level riseCO2

Read original article » Back to category

Comments

Author: Guest
Posted: 2014-02-05
+1
I hope people will take these calculations seriously and act now!
1 Replies
Author: Guest
Posted: 2014-02-05
+0
This research clearly shows that there is an opportunity in acting - I agree that we should start doing things in away that avoids false sense of protection. We need to act for real! Reply
Reply
Author: Guest
Posted: 2014-02-05
+0
One option is to build levees. They offer a simple defense against flooding. The cost to build levees high enough to keep pace with rising seas could be very significant and not many countries can afford this
3 Replies
Author: Guest
Posted: 2014-02-05
+1
Land is sinking in coastal areas due to groundwater use and oil and gas extraction could leave certain areas such as the Gulf Coast facing greater costs for flood protection. Difficult issue Reply
Author: Guest
Posted: 2014-02-05
+1
Other coastal flood protections, not just levees, should be considered. They range from restoring wetlands and beaches, which in some cases are a more affordable alternative, to building more costly large barriers that can be opened and closed. Reply
Reply
Author: Guest
Posted: 2016-05-06
+0
Hola Fabianintento mandarte un mail pero el que tienes para la musica me lo devuelven.estoy en Delhi el 10. lo mismo nos podemos ver.Te mando mi web por si sacas algo que te pueda serscr.eviribeme con tu mail.Un saludo PabloTu voto: 0  0 Reply


 

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