Match The Letter To The Definition Flashcards
(15 cards)
Potholes
Small circular holes or depressions in the bed of a river, usually found in the upper course
Interlocking spurs
A series of ridges of higher ground that protrude into alternate sides of a river valley. They are initiated by the river twisting and turning around the more resilient rock as it’s valley deepens
Estuary
These are funnel shaped river mouths where the tide meets the current of fresh water
River beach
A gentle slope found on the inside of the bend in a meander where the current is slowest
Velocity
The sped of the flow of the river
Deltas
A low lying area of alluvium that forms an extension of land at the mouth of a river
Volume
The amount of water in a river
Meander
A bend or curve in the river channel
Waterfalls
A sudden fall of water where the bed of the river suddenly becomes steeper largely attributed to differential erosion
Attrition
The wearing away of the rock fragments as they impact against each other - reducing the size of the river’s load creating smaller rounded particles
River cliff
A steeply sloping bank formed by the lateral erosion on the outside of a river bed where the current is fastest
Flood plain
The flag land along either side of a river built up by deposition of alluvium in times of flood
Ox bow lake
Small horseshoe lakes which were originally meanders
Levees
A natural embankment of course sands and gravels silt and mud formed on either side of the river during repeated flooding
Ria
A long narrow inlet of the sea formed by the drowning of a river valley
