Unit 3: Tidal Power

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  • Tidal Power
    • Advantages
      • Predictable - moon cycles affect tides
      • Renewable energy resource
      • Efficient energy resource
      • Barrages and dams protect coasts from dangerous tides
    • Disadvantages
      • Can impact ecosystems
      • High cost of construction
      • Intermittent
      • Disrupts migration of marine animals
      • Increased sedimentation in areas of reduced flow
      • Reduced tidal range
      • Potential build up of pollutants
      • Obstacle to shipping
    • Location
      • Rapid water flow (large tidal range)
      • Large volume of moving water
    • Large dam build across a river estuary - as the tides go in and out the water turns turbines


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