Geography Unit 1 Edexcel

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  • Created on: 25-10-14 22:04
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Unit 1 ­ Topic 1 Restless Earth
The Earth is made up of a series of layers:
Plate Boundaries,
Volcanoes and Earthquakes

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Volcanic and Earthquake Hazards
Shield Volcanoes -…read more

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Montserrat
Volcanic
Eruption
(1995)
Location Causes Primary Secondary Immediate Long-term
Impacts Impacts Responses Responses
Montserrat is a Montserrat 2/3 of the As more of the Money was A risk
British territory lies on a island was southern area was given to assessment was
located in the destructive covered in destroyed any individuals to done to help the
Caribbean plate ash remaining help them islanders
Islands and is boundary 50% of the inhabitants have move to other understand which
placed on a population had to endure…read more

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Earthquake Case Study (poor)
POOR Haiti
Earthquake
(2010)
Location Causes Primary Impacts Secondary Impacts Immediate Long-term
Responses Responses
Haiti is a The earthquake 316,000 people 1 in 5 people lost $100 million 98% of the
small island was caused by were killed; 1 million their jobs because in aid given by rubble on the
located in the North people were made so many buildings the USA and roads hadn't
the American Plate homeless. 3 million were destroyed.…read more

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RICH New
Zealand
Earthquake
(2011)
Location Causes Primary Secondary Immediate Long-term
Impacts Impacts Responses Responses
New Zealand is The 6.3 181 people Business were Cared for the Paid $898
located in the magnitude were killed and put out of action most vulnerable million in
Pacific Ocean earthquake around 2,000 for long periods people and building
in the continent struck New people were causing losses ensured people claims
of Oceania.…read more

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Managing earthquake and volcanic hazards
Earthquakes and volcanoes are difficult to manage because they are difficult to predict. Managing these
hazards is based on preparation and prediction.…read more

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Unit 1 ­ Topic 2 Changing Climate
Climate ­ The average weather, over a period of time of many years, usually 30 years.
Weather ­ The state of the atmosphere on a day to day basis
Glacial ­ A long period of time during which the earth's glaciers expanded which the earth's glaciers
expanded widely
Interglacial ­ A long period of warmer conditions between glacial.
Climatologist ­ A scientist who is an expert in climate and climate change.…read more

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½ a degree the following due to the increase in CO2 and
ice age. changes in sunspot year. water vapour.
activity
Evidence of climate change is collected by:
Weather recordings - thermometers are more accurate now and digital readings can be
recorded remotely.
Ice cores - locked inside ice are molecules and trapped air, which are preserved year on year
with more snowfall. Subtle changes in temperature can be measured from ice cores extracted in
Antarctica.…read more

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For the last 10,000 years our climate has averaged about 14°C globally. However in the last 100 years,
as the graph above shows, our climate has started to change rapidly.
Increases in temperatures have been recorded on land and in the oceans.
Changes to the rainfall pattern have been observed - these are sometimes more extreme
(which means that locations are either a lot wetter or a lot drier than they used to be). At other
times the rainfall pattern is out of season.…read more

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These paintings show us people soils, plants and make them
skating and enjoying animals warmer.
themselves, a sign that they
were more capable to
withstand the harsher
conditions and they also had
enough food.
Humans also cause changes to our climate. The biggest contributor is gas released into the atmosphere
from cars and burning fossil fuels. MEDCs contribute the most in carbon dioxide. Other gases such
as methane (produced from cow dung, decaying landfill and peat bogs) also contribute to climate
change.…read more

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