Characteristics of the drainage basin

  • Drainage basin - the area of land drained by a river.
  • Catchment area - the area within the drainage basin.
  • Watershed - the edge of highland surrounding a drainage basin which marks the boundary between two drainage basins.
  • Source - the beginning or start of a river.
  • Confluence - the point at which two rivers or streams join.
  • Tributary - a stream or smaller river which joins a larger stream or river.
  • Mouth - the point where the river comes to the end, usually when entering a sea.
The Water Cycle Key characteristics of the drainage basin