Erosion Processes Flashcards

0
Q
  1. Detachment: By physical or biological processes - (5)
A
Hydraulic action.
Frost shattering. 
Salt weathering.
Attrition.
Abrasion.
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1
Q
  1. Detachment: Rock is
A

Released to become an unattached rock fragment.

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2
Q
  1. Entrainment: lifts particles off
A

The surface and sets them in motion.

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3
Q
  1. Entrainment: Fine particles are difficult to
A

Entrain as they have strong coherent forces, greater than friction and gravity.

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4
Q
  1. Entrainment: Resisted by
A

Friction between the particle & surface and by gravity.

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5
Q
  1. Entrainment: Once particle is in motion,
A

Less force is required to transport it than initially achieve entrainment as it has smaller frictional resistance.

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6
Q
  1. Entrainment: more energy is required for
A

Larger particles.

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7
Q
  1. Transport: reflects conflict between
A

The pull of gravity.

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8
Q
  1. Transport: Depends on the
A

Mass & size of the particle and the speed of transport.

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9
Q
  1. Transport: By (4)
A

Traction,
Saltation,
Solution,
Suspension.

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10
Q
  1. Deposition: Transport stops because of
A

Reduction in speed and because of increase in resistance of particles.

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11
Q
  1. Deposition: Flucculation -
A

Solid particles suspended in liquid form loose aggregations or soft flakes.

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12
Q
  1. Deposition: Precipitation -
A

Dissolved substances become solid and settle out.

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