© irevise.com 2014.
All revision notes have been produced by mockness ltd for irevise.com.
3.0 River Processes and Pressures
Drainage basin: area of land drained by water.
Catchment area: area within drainage basin
Watershed: the edge of high land surrounding a drainage basin. It 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 a smaller river which joins a l...