AS Level Case Studies for Geography- All You Need!


These are all the case studies you need for the OCR AS Geography Exam. Im sure it will be useful for other exam boards as well. I typed these up as it makes it easy to revise from. I hope it helps!

If you find them useful, check out my other notes!

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  • Created on: 23-06-11 16:52
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AS Level- All Physical Case Studies
·Main rock is boulder clay so cliffs are
MEDC LEDC unstable. Other main rock is chalk
Bad Water
·Cliffs retreat by 1m a year
·50 villages that exist during the medieval
Sonoran USA
times are lost today
·5 km of land already lost
MEDC LEDC ·Major features (in order from north to
Holderness south) ­ Flamborough Head, Holderness
Florida Coast and Spurn Head
Happisburgh ·The Great Debate ­ Protect Mappleton/
B 1242?
·Problem: Protecting an area of land
Coasts always mean greater pressure and
coastal erosion on neighbouring stretches
MEDC LEDC of coast
Thames Basin Mekong ·Hornsea is a big town so groynes are
Hull Bangladesh necessary. However this means greater
Colorado coastal erosion will occur in the south;
meaning it would affect Mappleton.
Mappleton is a small village but an
important road, the B1242, runs through it
Deserts: and losing it would mean compensation
of millions of pounds. Planners decided to
protect it - 2 rock groynes were
constructed in 1991 to encourage the
Sonoran Desert build up of beach in front of Mappleton,
Ecosystem but this would mean the coastal area
down further south will suffer from greater
·South California, Arizona and Northern erosion (10 metres a year).
Mexico ·FOR Build rock groyne - trap sand at
·Bi seasonal Rainfall Mappleton - southern coast and farms
·Many succulents destroyed
·Small drought enduring tree: Palo Verde ·One example would be Sue Earl, a
which looses its leaves in drought and its farmer in Great Cowden. Although she
brown bark photosynthesizes had lost a lot of land every year, she was
· determined to keep the farm running.
Eventually the sea will claim the whole
farm so she had to give up, especially
when the farmhouse went too.
·AGAINST Do nothing - Mappleton and
parts of B 1242 destroyed; huge

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AS Level- All Physical Case Studies
compensation - sands continue protect Sea Palling
southern coast and farms
· it has accelerated cliff erosion south of
Mappleton to 10m / yr
· After 1953 Floods
·Sea Wall at Sea Palling built to protect
sand dunes
·Groins near Eccles to save beaches
from LSD, but stopped sand at Sea
Palling- created small beaches which
caused the sea walls to be breached by
· Cliffs made of soft sand and clay
· Sediment north->south
·Due to…read more

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AS Level- All Physical Case Studies
Happisburgh 2004 Shoreline Management Plan
· No Active Intervention (retreat)
· "not be appropriate to defend
By 2025
· 80-100m lost · Beach may disappear
· Up to 25 homes lost · Caravan Park
· No beach access or lifeboat access
By 2055
· Erosion rate will slow · 130-150m lost
·Timber defenses built in 1950s failed · 10 homes lost
leaving cliff face open to attack By 2105
·Decision to replace defences taken in ·…read more

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AS Level- All Physical Case Studies
· Turkey Point power station south Miami · Installed water circulators to maintain
owned by Florida Power & Light --> oxygen levels
warm water keeps manatees warm in · Algae collectors
winter : ) Chemical leaks though
change ecosystem? Against:
· Pollution (especially in summer)
· Purely for cosmetic reasons- no
Cardiff Bay hydroelectricity usage?
· 4000 redshank birds lost due to mud
lands destroyed
·A success?
·A partially derelict area has been
completely transformed.…read more

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AS Level- All Physical Case Studies
·London to Ocford railway follows thames
·No hydroelectricity, but indirectly used to
move waste, burned to make electricity
·Old mill at Coles Hill
·Swimming, canoeing, hiking, sports
·Cotswold Water Park
·13,000 km2 Basin
·4700 million liters used per day Flood Defenses:
Industrial Development: ·420,000 properties at risk of floods
·Thames barrier opened in 1982
·Import/export or raw/finished materials ·Avg.…read more

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AS Level- All Physical Case Studies
·6 countries share the mekong- conflicts
·Largest city on it- Phnom Penh has
just1.1m people
·Growing population- problems
England Floods- 2007
-Issues arising from development on water basins
in Southern England
Industrial & Economic
·First Dam- 1993 "Man Wan" is
·Fish pop reduced due to unusual
fish migration and ebb and flow
Residential Development
·Basin has 55 million people
·Flooding each year- 800 die in flood in
2000 and people displaced
·Population growth 2.…read more

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AS Level- All Physical Case Studies
·Dhaka cut off
·1040 people died
·23 million homeless people
·130, 000 cattle killed
·660,000 hectares of crops ruined
·11,000 km road damaged
·1000 schools destroyed
·Drinking water polluted
·Communities destroyed
Economic Impacts:
· Shrimp production down 20% of normal
·400 textile factories closed- 166,000
jobless (many were women)
·Attempts to reduce affects of future
flooding: Bangladesh is an LEDC so
advances are limited
·Embankments to protect major
·Better warning systems
Floods - Bangladesh, 1998 (LEDC)
·Better…read more

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AS Level- All Physical Case Studies
· 3rd largest river in USA
· 630,000 km2 drainage basin
· Most Damed river in USA
· Massive demand in last 30 years
·90% used for agriculture
·Lake mead down 40% since 2007
·Electricity production puts 1.…read more


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