Definitions Flashcards
Backwash:
The movement of water down a beach by the action of gravity
Appropriate Technology:
Aid supplied by a donor country whereby the level of technology and skill required to service it are properly suited to the receiving country
Beach replenishment:
Building up the beach by pumping sand or shingle onto it
Bedload:
Larger particles moved along by a river bed
Birth rate:
The number of children born in a year for every 1000 people in a population
Brownfield site:
Land on which buildings have been built upon before
Catchment area:
The area from which people come to a shop or a shopping centre
Central Business District (CBD):
The main shopping and business centre of a city
Commuter range:
The distance people will travel from their homes to places of work
Constructive Waves:
Waves that build up beach material to create landforms
Conurbation:
A large urban area formed when cities and towns merge as they grow towards each other
Convenience/Low Order Goods:
Goods that people but frequently for everyday needs (e.g: bread, milk)
Counter-urbanisation:
A movement of people away from a city or town
Cyclone:
A system of winds rotating inwards to create an area of low pressure
Death rate:
The number of people who die in a year for every 1000 people in a population
Delta:
Where a river breaks into many distributaries before it reaches the Sea (e.g: the bird’s foot delta)
Dependent:
When an area is reliant on one company or type of company for the majority of it’s employment
Desertification:
The process by which land becomes desert
Destructive waves:
Waves that erode coastlines
Development:
The use of resources and the application of available technology to improve the standard of living within a country
Discharge:
The volume of water in a river passing a point in a given time, measured in cumecs (cubic metres per second)
Disposable income:
The amount of income a person has left after paying for all necessities
Dredging:
Taking sediment from a river or sea bed
Eco-tourism:
Environmentally responsible travel to natural areas in a way that has low impact on the natural environment and benefits to the local economy
Epicentre:
The point on the Earth’s surface directly above the focus of an Earthquake
Erosion:
The wearing away and removal of rocks by the action of wind, water or ice
Estuary:
Tidal part of a river mouth
Evapotranspiration:
The sum of evaporation from the Earth’s surface together with the transpiration from plants
Exponential growth:
A rate of increase that quickly doubles
Exports:
Goods that are sold to other countries
Flood plain:
Flat are next to a river that is liable to flood. Fertile ground that is good for farming
Free trade:
Trade between countries when the prices paid are determined by what the producer wants to be paid and what the consumer is prepared to pay
Freeze-thaw:
The continued freezing and thawing of moisture in rocks that eventually causes them to break
Gross Domestic Product (GDP):
Total value of goods and services produced by a country in year
Globalisation:
The increasing interconnection and interdependence of the world economically, culturally and politically
Greenfield Site:
Fields or open land that has not had any buildings on before
Gross National Income:
Total value produced within a country together with its income received from other countries