Marine and Hydrokinetic Energy Environmental Challenges

  • Andrea E. Copping
Reference work entry
Part of the Encyclopedia of Sustainability Science and Technology Series book series (ESSTS)


Energy from ocean currents

Energy harvested from the continuous and predictable flow of ocean currents near landforms

Marine and hydrokinetic energy

Energy that can be harvested from moving water, specifically from ocean waves, tides and currents, and river flow. Abbreviated as MHK, other ocean-based energy resources are usually included in this definition, including ocean thermal energy conversion and energy derived from osmotic gradients

Ocean thermal energy conversion

Energy harvested from the heat differential from cold deep water to warmer surface waters. Abbreviated as OTEC, this energy capture as presently conceived is viable only when a temperature difference of 20 °C or more exists from surface to deep ocean water layers

Osmotic energy

Energy harvested from the gradient of salt content from saline ocean water to freshwater. It is generally thought to be viable only at river mouths that empty directly into the sea


Terminology for portions of the aquatic...


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Marine Sciences LaboratoryPacific Northwest National LaboratorySeattleUSA

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