Fluvial Geomorphology

An aquifer

• is a rock layer that cannot hold water

• is a rock layer that can hold water

• is impermeable

• is a soil layer that is not porous

A confluence

• is another name for a levee

• is the land between two rivers

• is the meeting of two rivers

• is the source of a river

The water table ...

• is the crust water in the rainy season

• is the ground water

• is the upper-most level of the ground water

• is the ability of the ground to hold water

The dry season water table...

• will be above the wet season water table

• will be below the wet season water table

What is a river mouth?

• The place where a river starts

• Where the river flows into the sea

• Where two river channels meet

• The land next to the river channel

The picture illustrates a ....

• watershed

• river source

• main channel of a river

• wetland

Sheet flow can be described as...

• run off the occurs in layers

• run off the occurs in streams

Infiltration will occur more quickly when ...

• the ground is saturated

• the gradient is gentle

• the is sparse vegetation

• the rainfall is heavy

Run off is more likely to occur when ...

• the ground is unsaturated

• the gradient is gentle

• the is sparse vegetation

• the rainfall is gentle

The red line in the picture represents

• the river mouth

• the confluence

• the watershed