Geography Definitions 0.0 / 5 ? GeographyWater and riversGCSECCEA Created by: raccCreated on: 07-05-16 19:16 Abrasion/corrasion - the grinding of rock fragments carried by a river and banks of the river. Attrition - a process of erosion where transported particles hit against each other making the particles smaller and more rounded. 1 of 6 Solution - the process by which river water reacts chemically with soluble minerals in the rocks and dissolves them. Hydraulic Action - moving water which can undermine the river banks of force air into cracks within exposed rock, breaking the rock apart. 2 of 6 Traction - the rolling of large rocks along the river bed, only in times of severe flood. Saltation - the bounding of medium-sized load along the river bed. 3 of 6 Suspension - the smallest load, like fine sand and clay, is held up continually within the river water. Solution - soluble minerals dissolve in the water and are carried in solution. 4 of 6 Source - is where the river begins usually in high ground. Tributary- a small stream that flows into the main channel. 5 of 6 Confluence - the point where two rivers meet. Mouth - where the river ends. It may flow into the sea, a lake or another river. 6 of 6
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