Definitions Flashcards
Inner Urban.
The innermost parts of a town or city.
Sub-Urban.
The outer area of a town or city.
Re-Urbanisation.
The recent trend for the population of city centres to grow - usually due to redevelopment of old industrial (brownfield) sites.
Economic migrants.
People who move to another country to find work.
Quality of Life.
The level of wealth and comfort experienced by any group of individual.
Standards of Living.
Health, wealth and education.
Greenfield site.
A site that had never been built on before, usually on the outskirts of cities or in farmland.
Brownfield site.
A site that has been built on before, tends to be inner city.
Deprivation.
Lacking features such as employment or basic services which are necessary for a reasonable standard of living.
Carbon Cycle.
Constant cycling of carbon through the environment between the atmosphere, Earth’s crust, living organisms and oceans.
Carbon Sinks.
Places where carbon is stored for long periods of time. More carbon is added than leaves.
Carbon sources.
More carbon leaves than is added.
Greenhouse Gases.
Gases which allow short-wave radiation to pass through but absorb and re-emit longwave radiation.
Shortwave Radiation.
Light energy from the Sun (UV and Visible).
Longwave Radiation.
Heat energy from the Sun (Infrared).
Greenhouse Effect.
Natural process when the Earth’s atmosphere traps solar radiation warming the surface of the Earth.
Enhanced Greenhouse Effect.
Unnatural process where extra heat is trapped due to increasing levels of greenhouse gases produced by humans.
Keeling curve.
Graph showing the rise of CO₂ in our atmosphere.