What may seem like an easy question to answer — "Why do rivers split?" — has actually stumped scientists for well over a century. It's the kind of thing we take for granted, after all, it seems to be ...

A team has created the most complete map of the world's rivers ever made offering a major leap forward for flood prediction, climate risk planning, and water resource management in a warming world.

Global map of the GRIT network. The network is shown for all reaches wider than 30 m as well as their downstream segments. The width is scaled by partitioned drainage area here for visualization ...