An in depth summary of A2 Cambridge International A level Geography, notes on waves, coastlines, erosion, deposition and transportation, littoral cells and a case study on the Holderness coast
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wind Duration how long in
g centre of the earth
bulge of water called
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from those on shore
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speed over a certain distance
the water's surface
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affects tides side of the earth
which wind acts on
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facing the moon
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earth
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together on
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pun in
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mass
coastline
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→ round on steep beaches win row steepness waves
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smooth
→ the wave slides directly up the beach without breaking BEA H is usually very steep
→ a large proportion of wave energy is reflected at the beach
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to the foredune the water eep
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high winds e-☐ the centre f this system pulls
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constructive waves break
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on the
with seabed contact •
Shore and deposit material
↳ building up beaches wind circulation around
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the eye
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low wave frequency ( 6 arriving per min)
.
of the hurricane blows down on
advance the ocean surface
•
when these waves over a
sea floor that are generated storm surges are changes in the
gently shelving
.
far offshore sea level caused by intense low
-
steepening
DINARD @ DUB
bar gradual
longshore ↳ this will then cause
pressure systems and high wind speeds
of the wave front
water near the shore
•
the Swash is stronger than the backwash can no longer be pushed
for every drop in air pressure of 10 Milli
d
↳ this is because of maintains maximum - down and
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energy because its not impeded .
bars , sea water is raised 10 centimetres ⇐¥_→←- &⇐*
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ising sea level by 1 metre
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destructive waves are created in storm
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they are from . big strong
, waves when the BBM @Tbf long short
wind is powerful and has been blowing ppiB@pyBNfppfewertn.a.n :O a minute more than 10 per minute -
for a long time
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they are a result of locally generated RADKE NUT
→
BESA @ µ flat steep
→ they occur when wave energy is high and 88020Mt @ Epi ? stronger swash stronger backwash
the wave has travelled over a icing fetch
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tend to erode the coast
↳ they
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