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Sea Level Rise in the Tropical Pacific Ocean isn't Natural:

Posted in Science on 28th Jul, 2014 01:48 AM by AlexMuller

Rising sea levels are a huge issue for coastal communities in the face of climate change. A new study reveals that levels will likely continue to rise in the tropical Pacific Ocean off the coasts of the Philippines. In order to get a better understanding of sea level rise, the researchers combined past sea level data gathered from both satellite altimeters and traditional tide gauges.


More specifically, they wanted to see how a naturally occurring climate phenomenon, known as the Pacific Decadal Oscillation (PDO), might influence sea rise patterns in the Pacific. So what is the PDO? It's a temperature pattern in the Pacific Ocean that's similar to El Nino. Yet instead of lasting just a few months or a year, the PDO lasts roughly 20 to 30 years and contributes significantly to decadal trends. The researchers reconstructed sea level patterns going back to 1950. Then, they stripped away the effects of the PDO to better understand its influence on current trends.

"The conventional wisdom has been that if the Pacific Decadal Oscillation was removed from the equation this sea level rise in parts of the Pacific would disappear," said Benjamin Hamlington, one of the researchers, in a news release. "But we found that sea level rise off the coasts of the Philippines and northeastern Australia appear to be anthropogenic and would continue even without this oscillation."

Tags: oceanclimate changeseaglobal warming

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Author: Guest
Posted: 2014-07-28
Although there are many observations pointing out that human activity influences climate and usually for worse, this is not easy to show factually and convincingly. This is a good example how it can be done! Reply
Author: Guest
Posted: 2014-07-28
This is particularly important: The rise can also increase the intensity of severe level, including typhoon-like storms. Furthermore, it's possible that the PDO may have actually helped suppress sea levels. Reply
Author: Guest
Posted: 2014-07-28
The findings reveal that sea levels are likely to continue to rise and that anthropogenic warming may be causing more issues than thought. While the PDO does play a role, it seems that people are more to blame. It would be great if some more specific measures are also proposed Reply


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