It is well known that an increase in sea levels is linked to climate change. But the phenomenon may have started all the way back in 1863, a time when the age of the industry increased, according to a team of international scientists. High levels of seas and oceans are a tipping point of special concern to scientists. The threat is that by 2050, cities like New York or Venice could be under water. And it seems that the event is nothing new. According to a new study published in Nature Communication, it may even date back to 1863, the period of industrial age increased and the first signs of sea warming and glacier glare appeared.
The study was conducted using a global database of sea level records 2,000 years ago. By identifying when rates of sea level rise exceed their own variability, researchers are able to determine the beginning of a critical period of climate change.
“In some places in the United States, modern rates rose early in the mid-Atlantic in the mid-late 19th century, and later in Canada and Europe, which appeared in the mid-20th century,” the study notes.
“We can be confident that the global rate of sea level rise from 1940 to 2000 is faster than all the mid-60s of 2,000 years ago,” said Jennifer S. Walker, lead author of the study and a postdoctoral fellow at Rutgers. University-New Brunswick.
To better predict the evolution of the sea level level (both globally and locally), the statistical model used in this study can be applied to a large number of individual sites. “Having a full understanding of the specific sea-level changes of space over the long term is crucial for local and regional planning and response to the sea level level in the future,” concluded Jennifer S. Walker.
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