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Increasing Frequency of Extreme Hurricane Storm Surges

March 25, 2013; 12:17 PM ET

Scientists from the Niels Bohr Institute at the University of Copenhagen are using statistical models to help predict the number of extreme hurricane storm surges 100 years into the future.

Temperature data from all around the world was used and then combined to form a single model, according to the Niels Bohr Institute release.

The statistical models were also weighted based on past storm surge performance.

Since 1923, there has been a 'Katrina' magnitude storm surge every 20 years, according to the study, which was published in the scientific journal, Proceedings of the National Academy of Science.

Image Credit: Aslak Grinsted, Niels Bohr Institute

Through further analysis, the team found that 0.4 degrees C. of warming corresponds to a doubling of the frequency of extreme storm surges like Katrina back in 2005.

An additional 1 degree C. rise will increase the frequency 3-4 times in 100 years, while a 2 degree C. increase would equal ten times as many extreme storm surges or 1 every other year.

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