What does climate change mean for extreme waves? In 80% of the world, we don’t really know

Sun, 22 Jan 2023 22:18:55 +1100

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam

"Across much of the world’s oceans, waves are getting bigger. In the Southern
Ocean, where storm-driven swell can propagate halfway across the world to
California, the average wave has grown about 20cm in the past 30 years.

These changes are part of climate change, and are likely to continue well into
the future. If you’re making long-term plans near the sea – like building
ships, or constructing flood defences in coastal cities – you need more detail
about how big those waves are going to get.

In a study published today in Science Advances, we looked at the projected
changes in the size of the very biggest waves around the globe. We found the
uncertainties in the projections could be larger than the projected future
changes themselves in about 80% of the world’s oceans and coastlines."

       *** Xanni ***
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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