16 terms

Geography-rivers-key words

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Bankful
The discharge of contents of the river which is just contained within its banks.
Helicoidal flow
A continuous corkscrew motion of water as it flows along a river channel
Thalweg
The line of the fastest flow along the course of a river
Discharge
The volume of water flowing in a river, measured in cubic metres per second
Load
The material carried by a river
Channel
Refers to the bed and banks of the river
Source
The starting point of a river
Mouth
The endpoint of a river where it meets the sea
Meander
The sharp bends in the middle course of a river
Interlocking spurs
Hills that stick out on alternate sides of a v-shaped valley
Ox-bow lakes
A lake formed when a loop in a river is cut off by floods
Flood plain
Flat land around a river that gets flooded when the river overflows
Mudflats
Flat coastal areas formed when mud is deposited by rivers and coasts
Delta
A low lying area at the mouth of a river where the river deposits so much sediment it extends beyond the coastline
Tributary
A small river/stream joining the main channel
Confluence
The point where 2 rivers meet