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Seismic data confirms ocean waves shake the earth as storms become more ferocious due to warming. [1]
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Date: 2023-12-04
Seismic data confirms ocean waves from storms have become more widespread and ferocious due to climate change, according to a study from Colorado State University that the National Science Foundation funded.
Some, if not most, of my joy in life, was spent using my body as a surfboard at some of the world’s best beaches. But respect for the ocean is critical for the survival of anyone entering its water. Because waves can be very dangerous for swimmers, slamming you into the sandy bottom at the shore break or, even more dangerous, slicing your flesh off on a coral reef.
Waves cause shoreline erosion, can split large ships in two, destroy infrastructure, and necessitate the retreat from such communities in Bangladesh, Alaska, or Louisiana.
The wind is what forms waves. And warming ocean temperatures trigger more and higher waves. As the climate system unravels, this will be a significant part of our future, joining storm surges and rising seas as threats to the world's coastlines.
EOS, a publication of the American Geophysical Union, found that more severe impacts of wave height will impact the Southern Ocean. The most worrying thing in my mind is the impact of the battering of more powerful waves, the massive ice cap of Antarctica that has experienced significant sea ice decline where waves can more easily batter the ice shelves of glaciers and glacier tongues such as Thwaites and Pine Island.
The scientists found an increase in the 1-in-100-year significant wave height at the end of the 21st century in the Southern Ocean for both greenhouse gas emission scenarios. The largest difference, roughly 15%, was observed in the Southern Ocean for the RCP 8.5 scenario. Larger waves might spell bad news for this region, which is already routinely battered by waves topping 20 meters, the team concluded. Large swells could very well roll up on the coasts of South Africa, South America, and Australia, said Meucci, where they might contribute to flooding and coastal erosion. Their impact could also be more far-reaching, he said. “Changes may be felt up to the North Pacific.” But not all ocean basins will experience larger waves, the team found. In portions of the North Atlantic, wave height might even decrease by the end of the 21st century, Meucci and his collaborators noted.
Meanwhile, Richard Aster of Colorado State University wrote in The Conversation, How global warming shakes the Earth: Seismic data show ocean waves gaining strength as the planet warms.
Richard Aster, Colorado State University
Richard Aster, Professor of Geophysics and Department Head, Colorado State University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
x How global warming shakes the Earth: Seismic data show ocean waves gaining strength as the planet warms
https://t.co/33AV629GMp pic.twitter.com/cOL8N5I4Yj — Thomas Reis (@peakaustria) November 7, 2023
x Incredible footage of major coastal flooding and giant waves from Storm Bettina in Sochi, Russia along the Black Sea this morning.
pic.twitter.com/Jua8ktpi9G — Nahel Belgherze (@WxNB_) November 27, 2023
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