Challenges and opportunities in monitoring the impacts of tidal-stream energy devices on marine vertebrates

Fox, Clive; Benjamins, Steven; Masden, Elizabeth A.; Miller, Raeanne

doi:10.1016/j.rser.2017.06.004

Cited by 38 publications

(52 citation statements)

References 120 publications

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“…A standard approach for pre-installation characterization and post-installation monitoring enables comparisons among sites, and will streamline the current, long and expensive MRE permitting process [6], [53]- [55]. To date, monitoring plans have been designed for individual sites and species of special status (e.g.…”

Section: Discussionmentioning

confidence: 99%

Does temporal variability limit standardized biological monitoring at wave and tidal energy sites?

2019

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Commercial viability of Marine Renewable Energy (MRE) is progressing but no national or international monitoring standards have been established for wave or tidal energy sites. Standardized monitoring within and across MRE sectors is necessary to expedite project permitting/consenting, detect environmental impacts, and enable comparison among sites and technologies. Acoustic backscatter from a bottom-deployed platform at a pilot wave energy site off Newport, Oregon was compared to data collected at a tidal turbine site in Admiralty Inlet, Washington. Metrics that describe fish and macrozooplankton densities and vertical distributions derived from acoustic backscattered energy were compared using wavelets and Autoregressive Moving Average models (ARMA). Average density and vertical distribution values significantly differed between sites. Metrics of density and location in the water column displayed diel (24 h) and tidal (12 h) cycles. Dispersion of animals in the water column varied at 64- and 128-h periods at both sites. Applicability of methods in both sectors suggests that a standard approach to biological monitoring is possible. Stationary acoustics and analytic methods presented here can be used to characterize pre-installation conditions and refine post-installation monitoring to site-specific characteristics to ensure cost-effective detection of impacts associated with MRE development.

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Section: Discussionmentioning

confidence: 99%

Does temporal variability limit standardized biological monitoring at wave and tidal energy sites?

2019

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“…Nonetheless, increasing affordability could shift the innovation, incentive, and cost reduction towards other alternative energy sources. (Fox et al 2018) Predictability has emphasised the problem of considering the impacts of turbulence and their influence in the fatigue life of the component. Consequently, it could be a contributing aspect in reducing the unforeseen conservation requirements by performing more comprehensive studies on factors such as specific components of the MTBF (mean time between failure) as well as life expectation, developing the manufacturability of tidal energy converters from first-scale prototype to profitable manufacture.…”

Section: Tidal Energy Policymentioning

confidence: 99%

Current trends and prospects of tidal energy technology

Chowdhury

Rahman

Selvanathan

et al. 2020

Environ Dev Sustain

144

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Generation of energy across the world is today reliant majorly on fossil fuels. The burning of these fuels is growing in line with the increase in the demand for energy globally. Consequently, climate change, air contamination, and energy security issues are rising as well. An efficient alternative to this grave hazard is the speedy substitution of fossil fuel-based carbon energy sources with the shift to clean sources of renewable energy that cause zero emissions. This needs to happen in conjunction with the continuing increase in the overall consumption of energy worldwide. Many resources of renewable energy are available. These include thermal, solar photovoltaic, biomass and wind, tidal energy, hydropower, and geothermal. Notably, tidal energy exhibits great potential with regard to its dependability, superior energy density, certainty, and durability. The energy mined from the tides on the basis of steady and anticipated vertical movements of the water, causing tidal currents, could be converted into kinetic energy to produce electricity. Tidal barrages could channel mechanical energy, while tidewater river turbines can seize the energy from tidal currents. This study discusses the present trends, ecological effects, and the prospects for technology related to tidal energy.

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“…Like their wind counterparts, numerous tide turbines will be clustered in discrete areas. Interactions with the rotating units tend to be lethal, making it difficult to forage around turbines (Fox et al, 2018). As more wind, wave, and tidal energy projects are approved and constructed, mortality of marine megafauna due to these lethal interactions will likely increase.…”

Section: Will Megafauna Move or Go Extinct?mentioning

confidence: 99%

Climate Change Will Re-draw the Map for Marine Megafauna and the People Who Depend on Them

Grose

Pendleton

Leathers³

et al. 2020

Front. Mar. Sci.

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Climate change is expected to dramatically alter the distribution of many marine megafauna, impacting the people and economies that depend upon them. We build on the recent literature by developing a framework to describe the effects these changes will have on marine megafauna. With the goal to assist policymakers and grass roots organizers, we identify three illustrative pathways by which climate change drives these range shifts: (1) effects on habitat and shelter, (2) impacts on reproduction and disease, and (3) changing distribution of sources of food. We examine non-climate factors that may constrain or enable megafauna to adapt, creating winners and losers both for the species and the people dependent upon them. Finally, we comment on what management strategies exist at international and local scales that could help mitigate these impacts of climate change so that we, as a global community, can ensure that marine megafauna and people can best co-exist in a changing world.

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Challenges and opportunities in monitoring the impacts of tidal-stream energy devices on marine vertebrates

Cited by 38 publications

References 120 publications

Does temporal variability limit standardized biological monitoring at wave and tidal energy sites?

Does temporal variability limit standardized biological monitoring at wave and tidal energy sites?

Current trends and prospects of tidal energy technology

Climate Change Will Re-draw the Map for Marine Megafauna and the People Who Depend on Them

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