It is called an EPHEMERAL STREAM which is a stream that flows only briefly during and following a period of rainfall or during snow melt in the immediate locality.
Neither, its a desert...
antitropical.
An ephemeral stream is a stream that flow with water only following rain storms. The stream quickly disappears when the rain stops.
Flash floods that sometimes suddenly form after a thunderstorm in the desert.
camel
· Desert Palm
Head is the source and mouth is where it ends.
Camel
A wash is another term for a gully, an arroyo or a wadi. It is a usually a dry stream bed in a desert formed by occasional heavy rains.
he ends up wandering the desert with ed
desert
Water is available in an oasis or t a river or stream that passes through a desert. In some cases it can be found not far below the surface.