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Environmental and Ecological Effects of Ocean Renewable Energy Development: A Current Synthesis

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Field Value
Title Environmental and Ecological Effects of Ocean Renewable Energy Development: A Current Synthesis
Names Boehlert, George W. (creator)
Gill, Andrew B. (creator)
Date Issued 2010-06 (iso8601)
Note Archived with permission of the The Oceanography Society. Original article is available at: http://www.tos.org/oceanography/issues/current.html
Abstract Marine renewable energy promises to assist in the effort to reduce
carbon emissions worldwide. As with any large-scale development in the marine
environment, however, it comes with uncertainty about potential environmental
impacts, most of which have not been adequately evaluated—in part because many of
the devices have yet to be deployed and tested. We review the nature of environmental
and, more specifically, ecological effects of the development of diverse types of marine
renewable energy—covering marine wind, wave, tidal, ocean current, and thermal
gradient—and discuss the current state of knowledge or uncertainty on how these
effects may be manifested. Many of the projected effects are common with other types
of development in the marine environment; for example, additional structures lead to
concerns for entanglement, habitat change, and community change. Other effects are
relatively unique to marine energy conversion, and specific to the type of energy being
harnessed, the individual device type, or the reduction in energy in marine systems.
While many potential impacts are unavoidable but measurable, we would argue it
is possible (and necessary) to minimize others through careful device development
and site selection; the scale of development, however, will lead to cumulative effects
that we must understand to avoid environmental impacts. Renewable energy
developers, regulators, scientists, engineers, and ocean stakeholders must work
together to achieve the common dual objectives of clean renewable energy and a
healthy marine environment.
Genre Article
Topic Marine renewable energy
Identifier Boehlert, George W. & Andrew B. Gill. 2010. Environmental and Ecological Effects of Ocean Renewable Energy Development: A Current Synthesis. Oceanography v. 23 (2): 68-81

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