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| The ]s have a tremendous amount of energy and are close to many if not most concentrated populations. Many researches show that ocean energy has the potentiality of providing for a substantial amount of new ] around the world.<ref>Carbon Trust, ''Future Marine Energy. Results of the Marine Energy Challenge: Cost competitiveness and growth of wave and tidal stream energy'', January 2006</ref> | |||
| ==Renewable ocean energy== | |||
| The oceans remain a vast and largely untapped source of renewable dikes in the form of fluid flow (currents, waves, and tides) and thermal and salinity gradients. Several means of extracting ] from the ocean have been tried. Some are currently in deployment stage. | |||
| *] | |||
| *] (OTEC) | |||
| *] | |||
| *] | |||
| *] | |||
| Sometimes ] (offshore) is also included in the list of renewable ocean energies. | |||
| ==== Theoretical potential of renewable ocean energy ==== | |||
| The theoretical global ocean energy resource is estimated<ref> International Energy Agency, Implementing Agreement on Ocean Energy Systems (IEA-OES), Annual Report 2007 </ref> to be on the order of: | |||
| * 2.000 TWh/year for osmotic energy | |||
| * 10.000 TWh/year for ocean thermal energy (OTEC) | |||
| * 800 TWh/year for tidal current energy | |||
| * 8.000 – 80.000 TWh/year for wave energy | |||
| This theoretical potential is several times greater than the actual global electricity demand, and equivalent to 4000 – 18000 MToE ] (million tons of oil equivalent). | |||
| ==Non-renewable ocean energy== | |||
| ] and ] beneath the ocean floor are increasingly important sources of energy. An ] directs all phases of ], ], and delivering offshore petroleum (via ]s and ]), a complex and demanding task. Also centrally important is the development of new methods to protect marine wildlife and coastal regions against the ] of offshore oil extraction. | |||
| ==References== | |||
| {{Reflist}} | |||
| ==See also== | |||
| * ] | |||
| * ] | |||
| * ] | |||
| * ] | |||
| * ] | |||
| ==External links== | |||
| Ocean Energy Council: [http://www.oceanenergycouncil.com | |||
| ]{{Ocean energy}} | |||
| {{Electricity generation|state=autocollapse}} | |||
| ] | |||
| ] | |||
| ] | |||
| ] | |||
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| ] | |||
Revision as of 16:14, 12 December 2008
Pretty pink ponys rock