Longer-lasting ozone holes over Antarctica expose seal pups and penguin chicks to much more UV

Wed, 22 May 2024 04:01:55 +1000

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

Andrew Pam
<https://theconversation.com/longer-lasting-ozone-holes-over-antarctica-expose-seal-pups-and-penguin-chicks-to-much-more-uv-227218>

"Over the last 25 years, the ozone hole which forming over Antarctica each
spring has started to shrink.

But over the last four years, even as the hole has shrunk it has persisted for
an unusually long time. Our new research found that instead of closing up
during November it has stayed open well into December. This is early summer –
the crucial period of new plant growth in coastal Antarctica and the peak
breeding season for penguins and seals.

That’s a worry. When the ozone hole forms, more ultraviolet rays get through
the atmosphere. And while penguins and seals have protective covering, their
young may be more vulnerable."

Cheers,
       *** 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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