787252
Beschreibung
Mindmap von anneka.copeland, aktualisiert more than 1 year ago
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Erstellt von anneka.copeland
vor mehr als 11 Jahre
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River Processes
- Erosion
- Hydraulic Action
- The force of the river against the banks can
cause air to be trapped in cracks and
crevices. The pressure weakens the banks
and gradually wears it away.
- The force of the river against the banks can
cause air to be trapped in cracks and
crevices. The pressure weakens the banks
and gradually wears it away.
- Abrasion
- Rocks carried along by
the river wear down the
river bed and banks.
- Rocks carried along by
the river wear down the
river bed and banks.
- Attrition
- Rocks being carried by the
river smash together and
break into smaller, smoother
and rounder particles.
- Rocks being carried by the
river smash together and
break into smaller, smoother
and rounder particles.
- Solution
- Soluble particles are
dissolved into the river.
- Soluble particles are
dissolved into the river.
- Hydraulic Action
- Transport
- Solution
- Minerals are dissolved
in the water and
carried along in
solution.
- Minerals are dissolved
in the water and
carried along in
solution.
- Suspension
- Fine light material is
carried along in the water.
- Fine light material is
carried along in the water.
- Saltation
- Small pebbles and
stones are bounced
along the river bed.
- Small pebbles and
stones are bounced
along the river bed.
- Traction
- Large boulders and
rocks are rolled along
the river bed.
- Large boulders and
rocks are rolled along
the river bed.
- Solution
- Deposition
- When a river loses
energy, it will drop or
deposit some of the
material it is carrying.
- Deposition may
take place when a
river enters an area
of shallow water or
when the volume of
water decreases.
- After a flood
- During time
of drought
- After a flood
- Deposition is common towards the
end of a river's journey, at the
mouth.
- Deposition at the mouth of
a river can form deltas
- Mississippi Delta
- Mississippi Delta
- When a river loses
energy, it will drop or
deposit some of the
material it is carrying.
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