Extreme coastal flooding, once considered rare, is occurring much more frequently today due to sea-level rise caused by climate change. This is evidenced by the results of a new study published in the journal Nature Climate Change, AP reports, according to UNN.
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Scientists have found that floods that historically had only a 1% probability of occurring in a given year are now happening on average 12 times more often. Researchers estimate that human-induced climate change has increased the likelihood of such events approximately fourfold.
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Experts analyzed data from more than 100 tide gauge stations and climate models to assess sea-level changes from 1900 to 2005. They concluded that since the 1960s, anthropogenic warming has become the primary factor in rising ocean levels.
According to the study's authors, today's risk may be even higher, as the impact of climate change has only intensified since 2005.
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A separate study published in the journal Science Advances showed that about 58% of days with large-scale coastal flooding between 2000 and 2018 were linked to climate change. It was also established that since the 1970s, the number of days with critical sea-level rise has nearly tripled.
Virtually every coastal flood today bears human fingerprints due to climate change. Without the additional sea-level rise caused by global warming, most of these events would not have reached flood status,
Scientists emphasize that these findings are crucial for planning coastal protection and infrastructure development in the face of continued climate warming.
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