Edexcel GCSE Geography A key terms

The amount of usable water that people can access in a place at a particular time.

Reducing water use and waste to protect available supplies.

The use of water by households, farming, industry and other activities.

A situation in which demand for water is greater than the available supply.

The amount of water people need or want to use for homes, agriculture, industry and other activities.

A steep drop in a river's bed over which water falls.

The physical systems needed to collect, treat and distribute water and to remove sewage, including pipes and treatment facilities.

Reliable access to sufficient safe water to meet people’s needs.

Pressure on water resources when demand is high relative to the available supply.

The amount of usable water available to people in an area.

The systems and facilities needed to supply water, including pipes and distribution networks.

A situation in which the supply of water is greater than demand.

Moving water from one river basin or region to another to increase supply in the receiving area.

A gently sloping rocky surface at the foot of a cliff, exposed as the cliff retreats.

The state of the atmosphere at a particular place and time, including rainfall, wind and temperature.

The breakdown of rock in its original position, without transporting it away.

An area where water covers the ground or keeps its soil waterlogged, permanently or seasonally.

A group of wind turbines used to generate electricity from moving air.

A change in wind speed or direction with height. Low wind shear allows a tropical cyclone's thunderstorms to remain organised above its surface circulation.

A habitat combining trees with open areas of vegetation grazed by animals.