Temperature, rainfall and tides speed glacier flow on a daily basis
Even though "glacial" is commonly used to describe extremely slow, steady movement, a new study has found that glaciers speed up and slow down on a daily—even hourly—basis in response to changes in air temperature, rainfall and the tides.
![Temperature, rainfall and tides speed glacier flow on a daily basis](https://scx2.b-cdn.net/gfx/news/hires/2025/temperature-rainfall-a.jpg)