Scientists discover singing iceberg in Antarctica

Emperor penguin at Ekstroem ice shelf, AntarcticaFrom the Herald News Daily:

Scientists discover singing iceberg in Antarctica

Staff and agencies

24 November, 2005

BERLIN – Scientists monitoring earth movements in Antarctica believe they have found a singing iceberg.

Sound waves from the iceberg had a frequency of around 0.5 hertz, too low to be heard by humans, but by playing them at higher speed the iceberg sounded like a swarm of bees or an orchestra warming up, the scientists said.

The German Alfred Wegener institute for polar and marine research publish the results of its study, done in 2002, in Science magazine on Friday.

Between July and November 2002 researchers picked up acoustic signals of unprecedented clarity when recording seismic signals to measure earthquakes and tectonic movements on the Ekstroem ice shelf on Antarctica‘s South Atlantic coast.

Tracking the signal, the scientists found a 50 by 20 kilometer iceberg that had collided with an underwater peninsula and was slowly scraping around it.

“Once the iceberg stuck fast on the seabed it was like a rock in a river,” said scientist Vera Schlindwein.

“The water pushes through its crevasses and tunnels at high pressure and the iceberg starts singing.”

“The tune even goes up and down, just like a real song.”

Researchers have proposed a new idea that may explain why some Antarctic icebergs are tinged emerald green rather than the normal blue, potentially solving a decades-long scientific mystery: here.

Icebergs near New Zealand: here.

5 thoughts on “Scientists discover singing iceberg in Antarctica

  1. Pingback: Whales, new research | Dear Kitty. Some blog

  2. Pingback: March of the (emperor) penguins: film review | Dear Kitty. Some blog

  3. Pingback: Antarctic: invasive species from the North | Dear Kitty. Some blog

  4. Pingback: Mapping icebergs in Greenland | Dear Kitty. Some blog

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.