Drainage Basin Features

• What part of the drainage basin is this?

  Source: start of the river

  
• What is this?

  A drainage basin

  
• What part of the drainage basin is this?

  Watershed: marks the edge of a drainage basin

  
• What part of the drainage basin is this?

  Tributary: small stream which feeds into the main river

  
• What part of the drainage basin is this?

  Confluence: point at which a tributary joins the main river

  
• What part of the drainage basin is this?

  Main channel

  
• What part of the drainage basin is this?

  Mouth: point at which a river enters the sea

  
• What is a drainage basin?


  The area of land around the river that is drained by the river and it’s tributaries
• What is an estuary in a drainage basin?

  Part of the river that is effected by the tide