1. Urbanisation Flashcards
Definition of Urbanisation
An increasing percentage of a country’s population living in towns and cities
What is a megacity?
A city with a population of more than 10 million
Definition of rural to urban migration
Moving from a rural area to a urban area
What is a push factor?
A negative characteristic of the place people migrate from that make them want to leave
What is a pull factor?
Positive characteristic of the place people migrate to that attracts people these may be real or perceived
What is an obstacle?
A factor that can make it harder for someone to migrate
Characteristics of shanty towns
-polluted water
-non stable materials
-crowded houses
-hilly
-rubbish piles
-dirty and unpleasant
3 push factors that could cause a migrant to move to a shanty town
-Bad weather
-Unable to grow crops
-Lacks materials and investment
3 pull factors that could cause a migrant to move to a shanty town
-Electricity and water is available
-Higher wages
-Family is already there
2 schemes that improve shanty towns
Micro-loans: helps small business owners working in the informal economy to expand their business benefiting the economy of the shanty town
Site and service schemes: allows poor urban residents the chance to buy or rent a piece of land at reduced rates
What is raster data?
Shown as pixels and is generally used to construct the background map
What is vector data?
Made up of points which may be joined together to form lines it is used to show map features on top of the background
Two ways that GIS is better than a traditional map
Compact storage and easily backed up
What are the five components of GIS?
-hardware (electric device)
-Methods
People (trained to operate the software)
-Software
-base map (data to display on it)
What does GIS stand for?
Geographical information system