Delta Vocabulary

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  • Created by: chamur
  • Created on: 25-01-15 13:33
Distributary
The channels a river splits into as a delta forms. They help to determine the delta's shape.
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Bird's foot
The delata that appears like a brid's foot as the distributaries all have different currents and spread the sediment out at different rates.
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Delta Front
The steeply sloping front of the delta that faces the lake or sea.
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Flocculation
A process where tiny particles of clay or silt in suspension couglate with salt water to form heavy flocs which sink to the bottom of the bed.
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Flocs
A loosely clumped mass of fine particles.
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Delta
A depositional feature found in certain circumstances where a river meets a sea or lake.
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Mircotidal
A very low tidal range of less than 2m, controlled by wave action.
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Avulsion
The separation of material by pulling away.
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Suspended Sediment
Solid particles transported in a river's load.
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Top set beds
Where the larger and heavier particles are first to be deposited as the river loses energy.
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Arcuate
The land around the mouth arches out into the sea and the river splits many times on the way to the sea. This creates a fan effect.
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Turbidity Current
An underwater current flowing swiftly downslope according to the weight of the sediment it carries.
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Other cards in this set

Card 2

Front

The delata that appears like a brid's foot as the distributaries all have different currents and spread the sediment out at different rates.

Back

Bird's foot

Card 3

Front

The steeply sloping front of the delta that faces the lake or sea.

Back

Preview of the back of card 3

Card 4

Front

A process where tiny particles of clay or silt in suspension couglate with salt water to form heavy flocs which sink to the bottom of the bed.

Back

Preview of the back of card 4

Card 5

Front

A loosely clumped mass of fine particles.

Back

Preview of the back of card 5
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