Energy resources - The hydrosphere

Question 1

Describe hydraulic energy

Pros and Cons?

Answer 1

Energy from moving water (mechanical energy -> electrical energy)

Pros:

• Renewable
• “Cleanish”

Cons:

• Habitat loss to flood/lack of H2O downstream
• Mediocre water quality
• Location dependant

Question 2

Describe marine currents for energy

Pros and Cons?

Answer 2

Marine currents and tides create large quantities of energy
Tidal power plants use tides to produce electrical energy

Pros:
- Renewable

Cons:

• Location
• Accidental sushi
• Ugly beach