Coasts not finished Flashcards

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1
Q

Give an example of Biological weathering

A

Tree roots

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2
Q

Give an example of physical weathering

A

Freeze-thaw

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3
Q

Give an example of chemical weathering

A

Acids in rain

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4
Q

LSD=

A

Longshore drift

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5
Q

What mass movement is slower rockfall/landslide

A

Landslide

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6
Q

What mass movement is faster rockfall/landslide

A

Rockfall

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7
Q

Name 2 types of mass movement

A

Rockfall &landslide

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8
Q

Name 4 types of erosion

A

Attrition, abrasion, corrosion
, hydraulic action

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9
Q

What is attrition

A

Chipping

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10
Q

What is abrasion

A

Sand paper

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11
Q

What is corrosion

A

Chemical

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12
Q

What is hydraulic action

A

Power of the waves

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13
Q

What is deposition

A

Rocks get left behind

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14
Q

What is the name of the longshore drift

A

Zig zag pattern

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15
Q

What is the process

A
  1. Swash
  2. Backwash
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16
Q

Coastal management choices

A
  1. Hold the line
  2. Managed retreat
    3.do nothing
17
Q

Soft engineering examples

A

Working with nature, beach nourishment

18
Q

Hard engineering examples

A

Groynes, sea wall, rock armour

19
Q

Name the four steps of the process about hard rock

A
  1. Starts as soft rock
  2. Erodes quicker because it’s less resistant
  3. The rock starts the erode away.
  4. It then forms of a bay.
20
Q

Name the four steps in the process of hard work in making of a bay

A
  1. Hard rock
  2. More resistant to erosion to take longer.
  3. Erodes slower.
  4. Making a headland.
21
Q

Spit definition

A

The ridge of sand/shingle attached to land at one end

22
Q

Name the first step in making a spit

A

Material is carried along the coast by longshore drift

23
Q

Name the second step when making a bit

A

Where is the land curves in land, the sediment carries on

24
Q

Name the third step when making a spit

A

Sand/shingle is deposited in open water, causing a spit

25
Q

Name the fourth step when making a spit

A

At the end of the split, the secondary wind causes the end of the spit in the curve inland making a hooked end