10.4.6

Renewable: Wave & Tidal

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Wave and Tidal Energy

Wave and tidal energy can be used to generate electricity.

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Advantages of wave

  • Wave energy involves using waves to turn turbines on the way in and out.
  • Advantages
    • Once set up, no further cost is needed.
    • No carbon dioxide is released into the atmosphere.
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Wave disadvantages

  • The turbines need to be located in coastal areas.
  • They are expensive to construct and some people think they ruin the look of the coastline.
  • They need locations that are not stormy because this can damage them.
  • Current technology is not very efficient.
  • The turbines are not very good for animal life and sea life in coastal areas.
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Advantages of tidal

  • Tidal energy involves using the tide to turn turbines.
  • Advantages:
    • Once set up, they are very cheap to run.
    • No carbon dioxide is released into the atmosphere.
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Disadvantages of tidal

  • This needs a location with a tidal range of a reasonable size.
  • The turbines are expensive to set up.
  • Only a small amount of energy can be produced at present.
  • The turbines damage marine life.
  • The turbines are easily damaged by storms.

Jump to other topics

1Paper 1 - Changing River Environnments

2Paper 1 - Changing Coastal Environments

3Paper 1 - Changing Ecosystems

4Paper 1 - Tectonic Hazards

5Paper 1 - Climate Change

6Paper 2 - Changing Populations

7Paper 2 - Changing Towns & Cities

8Paper 2 - Development

9Paper 2 - Changing Economies

10Paper 2 - Resource Provision

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