ch.9 rivers

What’s the beginning of a river

the source

a small river that flows into a large river

tributary

point where a river comes to the end

mouth

the part of a river that’s tidal

estuary

processes of river erosion

hydraulic action ( physical force of water), abrasion ( small stones carried by the river wear away the river), attrition (small stones hitting off each other) solution ( disolved by acids in the water)

river landforms in youthful stage

v-shaped valleys= moving water breaks down the river bed. eg river liffey

river landforms or the mature stage

meanders = occurs when there’s a bend in the river

river landforms of old stage

floodplains=: flood of the river carries a load of sediment known as alluvium