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energy > energy type > non-conventional energy > geothermal energy
energy > energy type > primary energy > geothermal energy
energy > energy type > renewable energy > geothermal energy

Preferred term

geothermal energy  

Definition

  • An energy produced by tapping the earth's internal heat. At present, the only available technologies to do this are those that extract heat from hydrothermal convection systems, where water or steam transfer the heat from the deeper part of the earth to the areas where the energy can be tapped. The amount of pollutants found in geothermal vary from area to area but may contain arsenic, boron, selenium, lead, cadmium, and fluorides. They also may contain hydrogen sulphide, mercury, ammonia, radon, carbon dioxide, and methane.

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URI

http://www.eionet.europa.eu/gemet/concept/3658

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RDF/XML TURTLE JSON-LD Created 9/8/04, last modified 9/8/04