vertical erosion - downward erosion, features of Youthful Stage are... - v-shaped valleys, interlocking spurs, waterfalls, features of mature stage are.. - meaders, ox-bow lakes, features of old age stage are - floodplains, levees, delta, v-shaped valley - a steep sided valley in the shape of a V, Interlocking spurs - areas of high ground that jut out at both sides of the v-shaped valley, waterfall - a vertical drop in the course of the river, plunge pool - a deep pool at the base of a waterfall, undercutting - erosion of the backwall of a waterfall creating an overhang, lateral erosion - the sideways erosion of the river channel, meanders - curves of bends in the rivers course, the river flows fastest on the .... bend - outer, the river ......on the outer bend - erodes, the river flows slower on the .... bend - inside, the river .... on the inside bend - deposits, oxbow lake - a horseshoe -shaped lake formed when a meander is cut off from the river, river discharge - the flow of water, surface run-off - when there is more water than the land can absorb so it runs along the surface into streams and rivers., as the river nears the sea it has .... energy and ..... occurs - less deposition, flood plain - wide, flat area of land on either side of the river, alluvium - large load of sediment in a river, bluff line - the highest point reached by a river when it is flooding, levees - a build-up of alluvium on the banks of a river, artificial levees or - human -made levees, delta - a trinagular or fan-shaped area of land at the mouth of the river where it enters a lake /sea, distributaries - the main river splits into smaller channels due to area being choked by sediment , an example of a Delta is - the Nile, an example of a waterfall is - Powerscourt, river deposition occurs because of - reduction in rivers speed, increase in load size, reduction in volume, levelling of gradient, processes of transportation are - traction, saltation, suspension and solution,

Rivers - Features/Landforms

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