A bad storm in Alaska last October generated an ocean swell that broke apart a giant iceberg near Antarctica six days later, U.S. researchers reported on Monday.
The waves traveled 8,300 miles to destroy the iceberg, said Douglas MacAyeal of the University of Chicago and Emile Okal at Northwestern University.
Writing in the journal Geophysical Research Letters, they said their study shows how weather in one region can affect events far away.
"One of the things we're debating in the world right now is whether global warming might increase the storminess in the oceans," MacAyeal said in a statement.
"The question we then pose is: Could global storminess have an influence on the Antarctic ice sheet that had never been thought of?
This...could be bad. Very bad.
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