geography-rivers 0.0 / 5 ? GeographyWater and riversGCSEEdexcel Created by: Ben1Ben1Created on: 12-04-17 11:47 Drainage basin the area of land drained by a river 1 of 7 Catchment area the area within the drainage basin 2 of 7 Watershed the edge of highland surrounding a drainage basin. It marks the boundary between two drainage basins. 3 of 7 Source The beginning or start of a river. 4 of 7 Confluence the point at which two rivers or streams join. 5 of 7 Tributary a stream or smaller river which joins a larger stream or river. 6 of 7 Mouth the point where the river comes to the end, usually when entering a sea. 7 of 7
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