River Terminology 0.0 / 5 ? GeographyWater and riversGCSEWJEC Created by: Caitlin WardCreated on: 09-09-13 19:56 Point or line from which rivers flow in opposite directions Watershed 1 of 19 Area in which all water drains into one river system Drainage Basin 2 of 19 River/Stream flowing into main river Tributary 3 of 19 Places where two or more rivers unite Confluence 4 of 19 The removal of material by an erosive force Erosion 5 of 19 Water forces and compresses air into joints and cracks in rocks. This puts stress on the rocks and they break up Hydraulic Action 6 of 19 Water dissolves soluble minerals in rocks and transports them away Solution 7 of 19 Eroded material being carried by the river. Bangs into each other, forming smaller and smoother material Attrition 8 of 19 Where material being carried by the river erodes the river bed Abrasion 9 of 19 How a river carries its load Transport 10 of 19 Eroded material is dropped after transport away from the erosion zone Deposition 11 of 19 The eroded material that a river transports Load 12 of 19 The amount of water in the channel Volume 13 of 19 The speed of the water in a given direction Velocity 14 of 19 Amount of water passing a given point per second Discharge 15 of 19 Steepness of slope/Valley floor along which the river is flowing Gradient 16 of 19 Bed along which the river flows Channel 17 of 19 The amount of water the channel can contain up to Bankfull. Over bankfull is a flood Capacity 18 of 19 The lowest level to which a river can erode Base level 19 of 19
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