You’d think it would be dead silent but it’s not. As an iceberg melts, it produces a fizzing sound called the “Bergie Seltzer”. This happens when the water reaches compressed air bubbles trapped in the ice. Each bubble bursts, making a popping sound. The bubbles contain air trapped in snow layers from early in the history of the ice (hundreds of years), that eventually got buried and pressurized. You also hear melting ice pouring into the ocean, so loud on the big ones that it sounds like a set of rapids on a river. An Arctic cacophony if you will.

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