by yonase kidane and brodie hughes
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COASTAL Environments

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BY: Yonase Kidane and Brodie Hughes. COASTAL Environments. EROSION. -HYDRAULIC PRESSURE: Compression of air and water Causing cracks through Increasing pressure ABRASION (CORRASION):

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Presentation Transcript
erosion
EROSION
  • -HYDRAULIC PRESSURE:
  • Compression of air and water
  • Causing cracks through
  • Increasing pressure
  • ABRASION (CORRASION):
  • When waves throws rocks colliding into the cliff causing it to break down and erode.
  • ATTRITION:
  • Rocks colliding within each other causing it tto break up into smaller peices
wave pounding and corrosion
Wave Pounding and Corrosion

Wave Pounding: Immense force of waves causing the cliffs to weaken.

Corrosion:

The acid in water causes the cliffs to erode

slide6
ARCh

Arch: A large gap in a cliff created by erosion.

Stack: When a part of the cliff grows too big to withhold it’s pressure and weight and breaks.

stack
STACK

Stack: When the weight above exceeds what the arch can sustain and collapses causing a stack to remain

Stump: The erosion made on stacks causing it to erode leaving a stump

blowhole
BLOWHOLE

Created as sea caves grow landwards and upwards into vertical shafts and expose themselves towards the surface

bibliography

http://en.wikipedia.org/wiki/Erosion

http://en.wikipedia.org/wiki/Blowhole_(geology)

Classmates

Images:Google Images

BIBLIOGRAPHY
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