How do you figure the speed of water current on the river?

Rivers often form a steep mountain slopes. Near its sourcem a river is often a fast flowing and generally follows a straight, narrow course. The steep slopes along the river erode rapidly. The result...

That depends on numerous factors, such as, exactly where, time of year, operation of dams etc.

Some water enters rivers directly in the form of rain that falls on the river, but most of the water arrives less directly from rain that falls on nearby land, and then flows into the river in the...

The Glaciers on mountains melt in summer, melted water flows from those mountains into the streams, which combines to form river. The river then flows into the sea.The vapors arise from the sea and...

runoff precipitation other bodies of water