River System

The place where a river enters a lake, larger river, or the ocean is called its ______________

• source

• mouth

River Systems and Fluvial Landforms are

Upper Basin. Headwaters. Mid-basin. Low gradient valleys and flood plains.

• True

• False

A river system is sometimes called a drainage system. It is the whole natural water system in a drainage basin.

• True

• False

The three main parts of a river include the lower, middle, and _____________ courses

• higher

• upper

The river system includes the main river channels from headwaters to the sea, and its associated permanent or temporary wetlands including floodplains, lakes, pools and delta.

• True

• False

A river system, or stream system, consists of all the streams that drain a particular ___________________area.

• rainy

• geographic

Water flow in rivers and streams is normally confined to channels which are depressions or scours in the land surface that contain the flow.

• True

• False