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JC GEOG

River Procesess and Landforms

TermDefinition
Abrasion wearing away of riverbed and sides when particles carried by river erode the sides
attrition stones become rounded by hitting off each other
v-shaped Valley valley has steep sides and a narrow floor
interlocking spurs flowing water goes around hard rock -erosion occurs on the outside of a bend this forms this feature
waterfalls vertical fall in a river
Hydraulic Action force of moving water that breaks up rock over time
flood plain fine material deposits build up to form a level plain
meanders as the river slows down this causes it to swing from side to side and forms this feature
ox-bow lakes meanders form a loop so only a narrow neck of land separates their outer banks in heavy flood the river cuts through this neck leaving the loop as a cut off river deposits seal up the cut off forming this feature
deltas when a river deposits its load as it enters the sea often triangular in shape
levees high banks along the river's channel formed from river deposits -old stage
floods rivers overflow their banks
stages in a river young, mature , old
source place where a river begins
tributary a river that joins a larger one
confluence place where rivers join
mouth of a river place where a river enters a lake or sea
estuary part of a river's course that iastidal
basin entire area drained by a river and its tributaries
watershed high ground that separates one river from another
suspension particles are lifted and carried by the river water
saltation particles are bounced along the river bed
traction large stones are dragged along the river bed
solution some minerals such as calcium carbonate are dissolved in the water
Created by: buckley19