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Geography Optional 300+ Score Pack · Model answer

Describe the potential marine energy resources with reference to their benefits, harvestibility and environmental impacts.

  • UPSC 2018
  • Oceanography

Marine energy resources are renewable energy drawn from the physical properties of seawater itself — the rise and fall of tides, the motion of waves, the thermal gradient between warm surface and cold deep water, and the salinity gradient where river water meets the sea, plus steady ocean currents such as the Kuroshio, where Japan…

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Tidal Energy
  • Wave Energy
  • Ocean Thermal Energy Conversion (OTEC)
  • Salinity Gradient (Osmotic) Energy
  • Harvestability — the Cross-Cutting Constraint

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