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Coastal techniques

Fill in the table saying what the pictures are of, whether it is a hard or soft
engineering technique, the purpose, and the strengths and weaknesses. The answers
follow the table on another page. Try not to look! Good Luck!

Picture Technique Hard Purpose Strengths Weaknesses
or soft

Page 2

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Picture Techniqu Hard or Purpose Strength Weaknesse
e soft s s

Page 3

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Groynes Hard The trap Quite They
beach cheap starve
material beaches
which is down-drift
being moved of them
by due to the
longshore sediment
drift so being
creates stopped by
wider them.
Beach Soft It replaces It looks It is
nourishm the natural expansive
ent sediment and would

Page 4

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others protectin
absorb it. g
They help property.
to stop
erosion and
Gabions Hard They They are They can
absorb cheap look ugly,
wave energy and quite is only a
so prevent effective small scale
erosion. solution
and can
move in
Offshore Soft They act They…


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