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GCSE Geography · key term
An artificial lake used to store water, often created by building a dam across a river.
Used by AQA, Edexcel and OCR
Specification 3.2.3.3 · Paper 2
A store of water, often an artificial lake formed behind a dam, kept for later use.
Revise: Large-Scale Management: Strategies and Water TransferA reservoir might store river water, while a canal carries that water to a distant city.
Specification 1.13, 6.5 · Paper 1, Paper 2
Distinguish a dam, which is the barrier, from a reservoir, which is the water stored behind it.
Link each impact to the resource and explain the consequence: flooding land for an HEP reservoir can destroy habitats and force people to relocate.
Include water transfer schemes as well as reservoirs when explaining how water supplies are increased.
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A lake used to store water, often created or enlarged by building a dam.
Changes include removing vegetation, planting forests, constructing buildings and flooding valleys for reservoirs.
Specification 8.1a · Paper 2, Paper 3
A store of water, often created by building a dam across a river and flooding the land behind it.
Revise: Impact of Resource DemandA reservoir stores water so that it can be used when needed. Building a dam across a river holds back water, flooding land upstream and creating a store behind the dam. This helps people manage water supplies, but changes both the flooded valley and the river downstream.