Renewable Energy | VOL. 10, ISSUE 58, January-February 2010 |

Ocean Energy Sources

The oceans possess two types of energy: thermal from the sun’s heat, and mechanical from tides and waves. Oceans cover more than 70 per cent of Earth’s surface, making them the world’s largest solar collectors. The sun’s heat warms the surface water a lot more than the deep ocean water, and this temperature difference creates thermal energy. Just a small portion of the heat trapped in the ocean could provide power to the world. Ocean mechanical energy is quite different...

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