How Does The Sounds of a Glacier | CNRS in English Work?

A glacier is like a giant, slow-moving ice river that sings when it moves.

Imagine you're pushing a heavy shopping cart across the floor, scrrrshh, that's the sound of wheels rolling on the ground. Now imagine doing this with an ice mountain that’s hundreds of meters thick and moving very slowly. That’s what happens inside a glacier!

When a glacier moves, it rubs against the rocks underneath it. This rubbing makes tiny bits of ice break off, like when you peel a sticker from a wall, crinkle crinkle. These little pieces of ice then fall down the sides of the glacier and clatter as they hit the ground below.

Sometimes the glacier also squishes and creaks, just like a big, tired elephant walking through mud. These sounds are all mixed together to make the glacier's special music, it’s like listening to a giant ice orchestra playing in slow motion!

The scientists at CNRS listen very closely to these sounds so they can tell how fast the glacier is moving and what's going on deep inside it. It’s like listening to a giant, sleepy elephant to know when it’s going to wake up!