Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...

The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into ...

We think about the river system as a whole, organically connected system. The takeaway from this paper is: The rivers respond to factors—climate change or human regulation—differently [and] we ...