River Landforms 0.0 / 5 ? GeographyWater and riversGCSEAQA Created by: Poppy 10Created on: 15-03-20 12:53 Waterfalls and Gorges waterfalls for where rivers flow over hard rock followed by softer rock soft rock is eroded more then hard rock = step as water goes over step = more erosion steep drop is formed =waterfall hard rock is undercut by erosion and eventually collapses this eroded rock erodes the foot of the waterfall = plunge pool the waterfall retreats due to undercutting leaving a gorge. 1 of 3 Interlocking Spurs upper course of a river = vertical erosion creating v- shaped valleys they aren't powerful enight to erode laterally so wind around hills that are in their path hillside that interlock as the river winds round them are called interlocking spurs. 2 of 3 Interlocking Spurs upper course of a river = vertical erosion creating v- shaped valleys they aren't powerful enight to erode laterally so wind around hills that are in their path hillside that interlock as the river winds round them are called interlocking spurs. 3 of 3
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