Global assessment of historical, current and forecast ocean energy infrastructure: Implications for marine space planning, sustainable design and end-of-engineered-life management

Gourvenec, Susan; Sturt, Fraser; Reid, Emily; Trigos, Federico

doi:10.1016/j.rser.2021.111794

Cited by 33 publications

(15 citation statements)

References 14 publications

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“…Capacity Factor (%) (Garduño-Ruiz et al, 2021;Gorr-Pozzi et al, 2021;IEA-OES, 2022;Tobal-Cupul et al, 2022) Off grid system viability (Power rating) (Sheng et al, 2017;IRENA, 2019IRENA, , 2020Gorr-Pozzi et al, 2021) Efficiency (W/m 2 ) (Alcérreca-Huerta et al, 2019;Hernández-Fontes et al, 2019) Environmental Climate change potential (gCO2 equiv/kWh) (Rau and Baird, 2018;Paredes et al, 2019;Ma et al, 2022;Smoot, 2022;Tobal-Cupul et al, 2022) Affection to threatened ecosystem (% of affection) Exclusion zone (m 2 ) (Kim et al, 2012;Gourvenec et al, 2022;Hernández Galvez et al, 2022) Frontiers in Energy Research frontiersin.org contributed to manuscript revision, read, and approved the submitted version.…”

Section: Author Contributionsmentioning

confidence: 99%

Deployment of sustainable off-grid marine renewable energy systems in Mexico

Gorr-Pozzi

Olmedo-González²,

Silva³

2022

Front. Energy Res.

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Section: Author Contributionsmentioning

confidence: 99%

Deployment of sustainable off-grid marine renewable energy systems in Mexico

Gorr-Pozzi

Olmedo-González²,

Silva³

2022

Front. Energy Res.

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“…Furthermore, we expect secondary fish production to be high on subsea wells. With the projected global extent of artificial structures increasing (Bugnot et al, 2021;Gourvenec et al, 2022), the results of this research will not only inform decommissioning of O&G structures but also advise reefing of structures, the creation of new artificial reefs, and the design of new infrastructure for O&G and marine renewable energy industries. With a focus on subsea wells and pipelines, the present study provides insights into fish communities on these globally understudied O&G structures.…”

Section: Introductionmentioning

confidence: 98%

“…Fundamental to understanding the roles that these structures have in our oceans is insight into the marine communities that interact with them. While, for ~100 years, the oil and gas (O&G) industry has installed structures in the oceans to extract resources (Gourvenec et al, 2022), it is only in recent decades that scientists have been able to access and/or research these structures. Science has traditionally been hampered, to various extents in different regions, by restrictions on access to structures, logistical challenges, and high costs.…”

Section: Introductionmentioning

confidence: 99%

Habitat value of subsea wells and pipelines for fishery target species in Australia

et al. 2022

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Subsea pipelines and wells installed to support the oil and gas industry represent some of the most extensive and numerous anthropogenic structures throughout global marine ecosystems. There remains a paucity of information on the habitat value of these structures for fishery target species and, as a result, little understanding of how decommissioning should be conducted to minimise impacts to populations of these economically and socially important species. We assess the diversity and abundance of species that are targets of recreational and commercial fisheries on 33 subsea wells and 17 pipelines across the tropical northwest and temperate southeast marine regions of Australia. We examine relationships between fish identity and abundance and a range of environmental (e.g., depth, location), infrastructure-specific (e.g., pipeline position, diameter, age, length of pipeline, height of well, position on well), and biological (% cover of epibiota) variables using video filmed by remotely operated vehicles during their routine offshore inspection and maintenance campaigns. A total of 100 fishery target species were observed across subsea well and pipeline infrastructure, 56 species uniquely observed on pipelines and nine unique to wells. The families Lutjanidae (snapper), Serranidae (rock cods, groupers, perch), and Carangidae (trevallies) were most common and abundant on both wells and pipelines. In the northwest, lutjanids were most abundant around the base of wells, in shallow depths, on shorter wells, and where pipelines spanned the seafloor. A greater number of fishery target species and abundance of ocean perch (Helicolenus spp.) were also associated with pipelines that spanned the seafloor in temperate southeast Australia. The combined biomass of three species of snapper on wells in the northwest was 1,270 kg, with production levels for these species on each well estimated to be 105.2 g m2 year-1. The present study serves as an important reference point for informing decommissioning decisions for pipeline and well infrastructure and demonstrates the utility of industry-held data for science. We suggest that key predictor variables identified here be incorporated into comprehensive before-after-control-impact scientific studies for specific fields/assets to enable the prediction of potential impacts of decommissioning scenarios on marine communities present and quantification of such impacts after the decommissioning activity has occurred.

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“…Extreme waves are a key driver of coastal change ( 1 ) and loss of natural coastal wetlands ( 2 ) and a major contributor to coastal flooding over multiple time scales ( 3 , 4 ), with wave run-up often representing up to ~50% of extreme total water levels along many coastlines ( 3 , 5 ). These events can also disrupt shipping ( 6 ) and are critical to establish design limits for offshore and coastal infrastructure (e.g., natural gas and oil drilling platforms, aquaculture farms, renewable energy projects, and coastal defenses) ( 7 , 8 ), which are forecasted to expand by up to ~50% within less than a decade ( 9 , 10 ). Thus, estimating and understanding uncertainties in extreme wave events for the present-day climate is critical to support global offshore and coastal developments ( 10 ), assess hazards and adaptation measures ( 11 ), and substantiate projections under future climate scenarios ( 12 ).…”

Section: Introductionmentioning

confidence: 99%

Understanding uncertainties in contemporary and future extreme wave events for broad-scale impact and adaptation planning

et al. 2023

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Understanding uncertainties in extreme wind-wave events is essential for offshore/coastal risk and adaptation estimates. Despite this, uncertainties in contemporary extreme wave events have not been assessed, and projections are still limited. Here, we quantify, at global scale, the uncertainties in contemporary extreme wave estimates across an ensemble of widely used global wave reanalyses/hindcasts supported by observations. We find that contemporary uncertainties in 50-year return period wave heights ( H s 50 ) reach (on average) ~2.5 m in regions adjacent to coastlines and are primarily driven by atmospheric forcing. Furthermore, we show that uncertainties in contemporary H s 50 estimates dominate projected 21st-century changes in H s 50 across ~80% of global ocean and coastlines. When translated into broad-scale coastal risk analysis, these uncertainties are comparable to those from storm surges and projected sea level rise. Thus, uncertainties in contemporary extreme wave events need to be combined with those of projections to fully assess potential impacts.

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Global assessment of historical, current and forecast ocean energy infrastructure: Implications for marine space planning, sustainable design and end-of-engineered-life management

Cited by 33 publications

References 14 publications

Deployment of sustainable off-grid marine renewable energy systems in Mexico

Deployment of sustainable off-grid marine renewable energy systems in Mexico

Habitat value of subsea wells and pipelines for fishery target species in Australia

Understanding uncertainties in contemporary and future extreme wave events for broad-scale impact and adaptation planning

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