What are meltwater rivers?

Meltwater rivers are rivers that start from ice melting.

Imagine you have a big ice cube, and it's sitting in the sun. The sun warms it up, and little by little, the ice turns into water. That water can flow down a hill or through a valley, just like how water flows when you turn on the tap. Meltwater rivers are kind of like that ice cube’s water, they start from ice melting, then run downhill, just like real rivers.

When it gets warm enough, glaciers and ice caps start to melt. The water from this melting flows down the land, making a river. These rivers can be very powerful, especially when there's a lot of ice melting at once, like during summer or when the weather is really warm.

Think of a mountain covered in snow and ice all year round. When spring comes, that ice starts to melt, and water flows down the mountain into valleys below. That’s a meltwater river in action, just like how your melting ice pops flow out of the wrapper when you leave them on the table!