my notes for exam tomorrow 

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If a prevailing wind travels over a warm surface it will bring warm weather, whilst if it
travels over a cold surface it will bring cold weather.
Convectional rain happens when the surface of the earth is heated by the sun. The warm
surface heats the air above it. Hot air always rises so this newly heated air does so. As it
rises the air-cools and begins to condensate. It rains. Convection produces clouds, which
produce heavy rain and possible thunder and lightning.
Frontal rain happens when cold and hot air meet, warn air has to go over the cold air and it
condenses, then it stars to rain.
Depression comes a lot, it is low pressure
Anti cyclone is high pressure and it stays for long.
Hurricane is low pressure. Tornadoes are high pressure.
Hurricanes form only over 26 degrees
Because of their weather there are droughts, storms, fogs and hurricanes
Tributaries feed water to another system
Confluence is where two rivers meet
Drainage Basin: The area of land drained by a river and its tributaries.
Ecosystems are living communities of plants and animals that, share common
characteristics. These primarily relate to the climate and soil seen in the ecosystem.
The hydrological cycle is when then sun heat water and it evaporates also trees do
exvo-transpiration, it forms clouds then it rains. The water gets back into the water by an
Pollution, erosion and desertification can affect the cycle
Coastal erosion is when water hits the coast, by hitting it with rocks
On the inside bend of a meander it is slow, on the outside it is fast and causes erosion.
A flood is where a river overflows
Death is an effect of flooding.
Long shore drift is the movement of sediments, usually sand, along a coast parallel to the
shoreline. Prevailing winds make the water hit the shore at an angle; the sediments are
dragged back then moved to the beach. Beaches can get moved away
You can control flooding with dams and levees

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A river flows fast downstream and hits a hard rock and a soft rock, the soft rock erodes. It
undercuts the hard rock and makes a plunge pool part of the hard rock falls off.
Quality of life is how happy you are. Standard of life is how rich you are
Urbanisation is when people get pulled to come to live in urban areas, or developed, areas
compared to rural areas.…read more

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Also they are given self help, this is where they are given money from the government and
they fix the problems themselves, sometimes they are given the materials.
Government can't get rid of shanty towns because they have not got alternative to give to
all the thousands of people living there.
Migration is moving from one area to another, sometimes it is forced, other times it is
voluntary.…read more

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Case studies
The south of Ghana had better transport and more tourists visit there. The north of Ghana
has unreliable rainfall patterns and has a lot of poverty. People who live in the urban area
earn more, so the quality of life of that person is much higher so is the standard of living
Barcelona is a large city with more that 1.5 million people, lots of migrants. The ethnic
groups seem to be more in the inner urban district.…read more


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