geography

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erosion?
erosion is a gradual process of something wearing away
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abrasion?
fine material rubs against the cliff/ river bank; the cliff is worn away by a sand- paper action
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attrition?
material is moved along the bed of a river, collides with the other material, and breks into smaller peaces (banging action)
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hydrolic- action
the sheer force of water hits the banks of the river/ cliff, this causes the sediment to breakaway
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solution?
some rocks forming the banks and beds of a river/ cliff are dissolved by acids in the water
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transportation?
it is a way rocks and stones are been moved through water
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solution (in transportation)
minerals are dissolved in the water and carried along in solution
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suspention?
fine light material is carried along in the river.
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saltation?
small pebbles and stones are bounces along the river beds
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traction?
large boulders and rocks are rolled along the river bed
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how are waterfalls created
water runs over hard rock when it discovers the soft rock underneath it. it erodes it which creates a undercutting. Because the hard rock is heavy the overhand collapses. plug pool created- stream retreats upwards- steep, gorge-like valley's created
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meander?
severe bend in a river
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how is it created?
the outside of the river erodes faster because of the fast flowing water with lots of energy is directed to the outer bank. where as there is less water on the inside, there is more friction and slower flowing water. which leads to deposition.
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evaporation?
the transfer of water from the surface into the air as water vapour.
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transpiration?
the transfer of water from plants into the air as water vapour.
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condensation?
the change of water vapour in the air into water droplets. these are visible as clouds
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precipitation?
the transfer of water from the air to the land.
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surface runoff?
the transfer of water across the land and into the sea or a lake
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ground water?
the transfer of water across the soil.
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souce?
the start of a river
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tributary?
a stream or small river that flows into a bigger one
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confluence?
when a small river joins a large one
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watershed?
the boundary of a drainage basin
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mouth?
the end of the river
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groynes?
fences placed in the beach to trap beach material. this creates a wider beach to absorb the wave energy. only the stop beach material going to other places.
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rip rap?
large boulders piled on the beach to absorb the wind energy and to reduce erosionof the beach and cliff. also the are good cause they can be moved if needed and looks natural. bad-they lose marks for the environmental damage due to transportation
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sea wall?
concrete wall that absorbs wave energy. good-protects the cliff behind. bad-they create an artificial enviroment and encourage tourism which can lead to litter. walls can create a strong backwash that can erode the foundation of the wall
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birt rate?
number of people born per 1,000 people
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death rate?
number of people die per 1,000 people
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life expectancy?
the averange age people are likely to live up to
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literacy rate?
the % of people who can read and write within a population
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GNI?
the wealth of a country. it's measured by total value of goods and services produced by a country.
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GDP per capita?
the wealth of a country. it's measured by total value of goods and services produced by a country and divided by it's population.
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infant mortality rate?
number of children who die before the age of 1
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number of doctors?
how many doctors there are per 1000 people
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HDI?
a score of between 0 and 1, 1 being the highest. calculations are based on literacy rate, number of years in school, GDP, and life expectancy,.
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LIDC?
low income developing country
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AC?
advanced country
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China one child policy?
law that was made in 1979 because in 1970 the country predicted that the population was increasing rappidly and thought there would be a great farmine.
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good about China one child policy
popilation decreased, saved 300 million lives, many families saw the benefits of having one kid
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bad about China one child policy?
women were forced to abort their child, there is a ageing population and not enough people able too look after them
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densely populated?
many people live there because the transport links are very good
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sparsely populated?
few people live there because the climate is very hot.
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push factor?
the reason why people leave a country e.g war
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pull factor?
the reason people stay in a country e.g. well built houses
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Other cards in this set

Card 2

Front

fine material rubs against the cliff/ river bank; the cliff is worn away by a sand- paper action

Back

abrasion?

Card 3

Front

material is moved along the bed of a river, collides with the other material, and breks into smaller peaces (banging action)

Back

Preview of the back of card 3

Card 4

Front

the sheer force of water hits the banks of the river/ cliff, this causes the sediment to breakaway

Back

Preview of the back of card 4

Card 5

Front

some rocks forming the banks and beds of a river/ cliff are dissolved by acids in the water

Back

Preview of the back of card 5
View more cards

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