Offshore Wind

Harnessing wind energy in offshore environments.

Similar to land-based wind technologies, offshore wind uses turbines to generate energy which is delivered to the shore via an export cable. A main advantage of offshore wind is the stronger and more consistent winds that blow offshore, allowing the use of larger turbine blades. The development of offshore wind in Europe and Asia has preceded development activities in other parts of the world. However, several projects in the United States are currently underway. While the most common offshore wind energy technology is a three-bladed horizontal axis turbine, there are a variety of foundation types which can support the deployment of devices in a range of aquatic environments – shallow nearshore habitats to deeper offshore environments.

 

Monopile Foundation

 

Monopile foundations are used at shallow depths (0-30 m) and consist of a pile being driven to varying depths into the seabed (10-40 m) depending on the soil conditions. The pile-driving construction process is an environmental concern as the noise produced is incredibly loud and propagates far in the water, even after mitigation strategies such as bubble shields, slow start, and acoustic cladding are employed. As with land-based wind energy, collision risk with birds and bats is a major concern, though the impact is more difficult to quantify because carcasses that provide evidence of collisions become lost at sea. While the footprint of offshore wind energy is relatively small, it may still cause scouring. As with all electricity generation, there is a slight concern that electromagnetic fields generated by power cables may affect animals that use Earth's natural magnetic field for orientation, navigation, and hunting. Likewise, chemicals such as anti-corrosion paint and small amounts of oil and grease may enter the waterbody during spills, though some turbine designs do not require lubrication. Artificial reefing is likely to occur around wind farms as the new hard substrate provides protection and attracts colonizing invertebrates.

Tripod Fixed Bottom

 

Tripod fixed bottom foundations are used at transitional depth (20-80 m) and consist of three legs connecting to a central shaft that supports the turbine base. Each leg has a pile driven into the seabed creating a wide foundation that allows for the piles to be placed at a shallower depth in the seabed. The environmental effects are very similar to monopiles, except that the footprint is a little larger.

Gravity Foundation

 

Gravity foundations are used at shallow depths (0-30 m) and consist of a large and heavy base constructed of steel or concrete to rest on the seabed. The footprint is relatively large and may cause scouring, artificial reefing, or physical destruction of habitats upon introduction. Otherwise, the environmental effects are similar to monopiles.

Gravity Tripod

 

Gravity tripod foundations are used at transitional depths (10-40 m) and consist of two heavy concrete structures connected by three legs where one structure sits on the seabed while the other sits above the water. Very few offshore windfarms are currently using this foundation. The environmental concerns are identical to those of gravity foundations, though the scouring effect may be less significant depending on the design.

Floating Structure

 

Floating structure foundations are used at deep depths (40-900 m) and consist of a balanced floating structure moored to the seabed with fixed cables. The floating structure may be stabilized using buoyancy, mooring lines, or a ballast. The mooring lines may cause minor scouring or pose a risk of collision, but the turbine foundation is mostly located in the upper layer of the water column where there tend to be less organisms.

Total Results: 1297
Title Author Datesort ascending Type of Content Technology Type Stressor Receptor
Inshore-Offshore Comparison of Parasite Infestation in Mytilus edulis: Implications for Open Ocean Aquaculture Buck, B., et al. April 2005 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Socio-economics
Hearing in Fish and their Reactions to Sounds from Offshore Wind Farms Wahlberg, M., Westerberg, H. March 2005 Journal Article Wind Energy general, Offshore Wind Noise Fish
Nature Conservation Guidance on Offshore Windfarm Development - A Guidance Note on the Implications of the EC Wild Birds and Habitats Directives for Developers Undertaking Offshore Windfarm Developments UK Department for Environment, Food and Rural Affairs March 2005 Report Wind Energy general, Offshore Wind Energy Removal, Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Nearfield Habitat
The Environmental Case for Wind Power in New Jersey Ridlington, E., Rusch, E. March 2005 Report Wind Energy general, Offshore Wind Farfield Environment, Socio-economics, Climate Change
A Strategic Environmental Assessment of the Fish & Shellfish Resources with Respect to Proposed Offshore Wind Farms in the Eastern Irish Sea Lockwood, S. March 2005 Report Wind Energy general, Offshore Wind Benthic Invertebrates, Fish, Socio-economics
Effects of Sound on Fish Hastings, M., Popper, A. January 2005 Report Wind Energy general, Offshore Wind Noise Fish
TADS Investigations of Avian Collision Risk at Nysted Offshore Wind Farm Desholm, M. January 2005 Report Wind Energy general, Offshore Wind Dynamic Device Birds, Passerines, Seabirds, Waterfowl
The Impact of Offshore Wind Farms on Bird Life in Southern Kalmar Sound, Sweden Pettersson, J. January 2005 Report Wind Energy general, Offshore Wind Static Device Birds, Waterfowl
Guidance on the Assessment of the Impact of Offshore Wind Farms: Methodology for Assessing the Marine Navigational Safety Risks of Offshore Wind Farms UK Department of Trade and Industry January 2005 Report Wind Energy general, Offshore Wind Socio-economics, Navigation
Humber Gateway Offshore Wind Farm: Offshore ES Description of the Biological Baseline Environment Humber Gateway Offshore Wind Farm January 2005 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Birds, Ecosystem, Fish, Marine Mammals
Investigations of migratory birds during operation of Horns Rev offshore wind farm. Annual status report 2004 Christensen, T., Hounisen, J. January 2005 Report Wind Energy general, Offshore Wind
The Development of Marine Based Wind Energy Generation and Inshore Fisheries in UK Waters: Are They Compatible? Rodmell, D., Johnson, M. January 2005 Report Wind Energy general, Offshore Wind Static Device Fish, Socio-economics
Greater Gabbard Offshore Wind Farm Environmental Statement Greater Gabbard Offshore Winds January 2005 Report Wind Energy general, Offshore Wind Noise, Static Device Birds, Farfield Environment, Fish, Marine Mammals, Nearfield Habitat, Socio-economics, Environmental Impact Assessment
The Need for Integrated Assessment of Large-Scale Offshore Wind Farm Development Kannen, A., et al. January 2005 Book Chapter Wind Energy general, Offshore Wind Farfield Environment, Socio-economics
Offshore Wind Farms and Commercial Fisheries in the UK: A Study in Stakeholder Consultation Gray, T., Haggett, C., Bell, D. January 2005 Journal Article Wind Energy general, Offshore Wind Socio-economics, Fishing, Stakeholder Engagement
The Offshore Wind Power Debate: Views from Cape Cod Kempton, W., et al. January 2005 Journal Article Wind Energy general, Offshore Wind Static Device Socio-economics
Humber Gateway Offshore Wind Farm: Offshore ES Description of the Physical Baseline Environment Humber Gateway Offshore Wind Farm January 2005 Report Wind Energy general, Offshore Wind Energy Removal, Static Device Farfield Environment
Preliminary Investigations of Bird-Turbine Collisions at Nysted Offshore Wind Farm and Final Quality Control of Thermal Animal Detection System (TADS) Desholm, M. January 2005 Report Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds, Waterfowl
Bird Numbers and Distributions in the Horns Rev Offshore Wind Farm Area Petersen, I. January 2005 Report Wind Energy general, Offshore Wind Birds, Seabirds, Waterfowl
Gwynt y Môr Offshore Wind Farm Marine Ecology Technical Report Centre for Marine and Coastal Studies January 2005 Report Wind Energy general, Offshore Wind EMF, Energy Removal, Noise Benthic Invertebrates, Ecosystem, Fish, Marine Mammals, Socio-economics, Climate Change, Environmental Impact Assessment
Seabed Morphology Off Southern Long Island: Studies of Artificial Reefs and Implications for Wind Farms Flood, R. January 2005 Report Wind Energy general, Offshore Wind Energy Removal Benthic Invertebrates, Nearfield Habitat
WT-Bird: Bird Collision Recording for Offshore Wind Farms Wiggelinkhuizen, E., et al. November 2004 Conference Paper Wind Energy general, Offshore Wind Dynamic Device Birds
Measurements of Underwater Noise During Construction of Offshore Wind Farms and Comparison with Background Noise Nedwell, J., Langworthy, J., Howell, D. November 2004 Report Wind Energy general, Offshore Wind Noise
A Review of Offshore Windfarm Related Underwater Noise Sources Nedwell, J., Howell, D. October 2004 Report Wind Energy general, Offshore Wind Noise
Concerted Action for Offshore Wind Energy Deployment (COD): Overview of Environmental Impacts of Offshore Wind Energy Roth, E., Verhoef, L., Dingenouts, M. September 2004 Report Wind Energy general, Offshore Wind Birds, Fish, Marine Mammals, Nearfield Habitat
Biology and Video Surveys of North Hoyle Wind Turbines 11th-13th August 2004 Bunker, F. August 2004 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Fish
Sandeels in the Wind Farm Area at Horns Reef Jensen, H., Kristensen, P., Hoffmann, E. August 2004 Report Wind Energy general, Offshore Wind Energy Removal Fish, Nearfield Habitat
Scaling Possible Adverse Effects of Marine Wind Farms on Seabirds: Developing and Applying a Vulnerability Index Garthe, S., Hüppop, O. July 2004 Journal Article Wind Energy general, Offshore Wind Birds, Seabirds
Base Line Studies North Sea Wind Farms: Final Report Pelagic Fish Grift, R., et al. June 2004 Report Wind Energy general, Offshore Wind Energy Removal Fish, Nearfield Habitat
Review of the Potential Impacts of Offshore Wind Farms on Migrating and Overwintering Swans and Geese in the SEA 5 Area Barton, C., Pollock, C. June 2004 Report Wind Energy general, Offshore Wind Birds, Shorebirds
Development of the Fouling Community on Turbine Foundations and Scour Protections in Nysted Offshore Wind Farm Birklund, J., Petersen, A June 2004 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
Effects from the Construction of Nysted Offshore Wind Farm on Seals in Rødsand Seal Sanctuary Based on Remote Video Monitoring Edrén, S., et al. June 2004 Report Wind Energy general, Offshore Wind Marine Mammals, Pinnipeds
Guidance Note for Environmental Impact Assessment in Respect of FEPA and CPA Requirements Centre for Environment Fisheries and Aquaculture Science (CEFAS) June 2004 Report Wind Energy general, Offshore Wind Socio-economics, Environmental Impact Assessment
Infauna Monitoring Horns Rev Offshore Wind Farm: Annual Status Report 2003 Bech, M., Leonhard, S., Pedersen, J. May 2004 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
Towards Standardised Seabirds at Sea Census Techniques in Connection with Environmental Impact Assessments for Offshore Wind Farms in the UK Camphuysen, K., et al. April 2004 Report Wind Energy general, Offshore Wind Birds, Seabirds
Does the Wind Power Industry Threaten Marbled Murrelets or Do Marbled Murrelets Threaten the Wind Power Industry? Cooper, J., Beauchesne, S. March 2004 Conference Paper Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds
North Sea Wind Farms NSW Lot 1 Benthic Fauna Jarvis, S., et al. February 2004 Report Wind Energy general, Offshore Wind Benthic Invertebrates, Ecosystem
Power Connections for Offshore Wind Farms Schachner, J. January 2004 Thesis Wind Energy general, Offshore Wind EMF
Visual and Radar Observations of Birds in Relation to Collision Risk at the Horns Rev Offshore Wind Farm Christensen, T., et al. January 2004 Report Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds
Extensive Open Ocean Aquaculture Development Within Wind Farms in Germany: The Prospect of Offshore Co-Management and Legal Constraints Buck, B., Krause, G., Rosenthal, H. January 2004 Journal Article Wind Energy general, Offshore Wind Fish, Socio-economics
Problems and Benefits Associated with the Development of Offshore Wind-Farms OSPAR Commission January 2004 Conference Paper Wind Energy general, Offshore Wind Dynamic Device, Static Device
Baseline Studies North Sea Wind Farms: Lot 5 Marine Birds in and Around the Future Sites Nearshore Windfarm (NSW) and Q7 Leopold, M., et al. January 2004 Report Wind Energy general, Offshore Wind Birds, Seabirds
Managing Offshore Wind Developments in the United States: Legal, Environmental and Social Considerations using a Case Study in Nantucket Sound Santora, C., Hade, N., Odell, J. January 2004 Journal Article Wind Energy general, Offshore Wind Socio-economics
Underwater Noise Emissions from Offshore Wind Turbines Betke, K., Schultz-von Glahn, M., Matuschek, R. January 2004 Report Wind Energy general, Offshore Wind Noise
Investigations of Birds During Construction and Operation of Nysted Offshore Wind Farm at Rødsand Kahlert, J., et al. January 2004 Report Wind Energy general, Offshore Wind Dynamic Device, Noise, Static Device Birds, Passerines, Raptors, Seabirds, Waterfowl
Best Practice Guidance for the Use of Remote Techniques for Observing Bird Behaviour in Relation to Offshore Wind Farms Desholm, M., Fox, A., Beasley, P. January 2004 Report Wind Energy general, Offshore Wind Birds, Seabirds, Shorebirds
Behavioural Reactions of Free-Ranging Porpoises and Seals to the Noise of a Simulated 2 MW Windpower Generator Koschinski, S., et al. December 2003 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals, Pinnipeds
Measurement of Underwater Noise During Piling at the Red Funnel Terminal, Southampton, and Observation of its Affect on Caged Fish Nedwell, J., et al. October 2003 Report Wind Energy general, Offshore Wind Noise Fish
Base-Line Investigations of Birds in Relation to an Offshore Wind Farm at Rødsand: Results and Conclusions, 2002 Desholm, M., et al. September 2003 Report Wind Energy general, Offshore Wind Static Device Birds, Passerines, Raptors, Seabirds, Waterfowl
Cape Wind Submerged Aquatic Vegetation Diver Survey Woods Hole Group, Inc. July 2003 Report Wind Energy general, Offshore Wind Nearfield Habitat
A Baseline Assessment of Electromagnetic Fields Generated by Offshore Windfarm Cables Centre for Marine and Coastal Studies July 2003 Report Wind Energy general, Offshore Wind EMF
Wake Effects on Middelgrund Windfarm Jørgensen, H., Frandsen, S., Vølund, P. July 2003 Report Wind Energy general, Offshore Wind Energy Removal Nearfield Habitat
Utgrunden Offshore Wind Farm Measurements of Underwater Noise Ingemansson Technology June 2003 Report Wind Energy general, Offshore Wind Noise
Onshore Environmental Impact Statement for Lincs, Docking Shoal, and Race Bank OSW Farms Centrica Energy June 2003 Report Wind Energy general, Offshore Wind Static Device Nearfield Habitat
Strategy of Approach Demersal Fish Fauna Grift, R., Tien, N. May 2003 Report Wind Energy general, Offshore Wind Fish
Marine Wind Farms and Cetaceans Doleman, S., Simmonds, M., Keith, S. May 2003 Conference Paper Wind Energy general, Offshore Wind Noise Marine Mammals, Cetaceans
Assessment of Sub-Sea Acoustic Noise and Vibration from Offshore Wind Turbines and its Impact on Marine Wildlife; Initial Measurements of Underwater Noise during Construction of Offshore Windfarms, and Comparison with Background Noise Nedwell, J., Langworthy, J., Howell, D. May 2003 Report Wind Energy general, Offshore Wind Noise Fish, Marine Mammals
Short-Term Effects of the Construction of Wind Turbines on Harbour Porpoises at Horns Reef Tougaard, J., et al. April 2003 Report Offshore Wind Noise, Static Device Marine Mammals
Offshore Wind Turbine Wakes Measured by Sodar Barthelmie, J., et al. April 2003 Journal Article Wind Energy general, Offshore Wind Energy Removal Nearfield Habitat
Birds and Offshore Wind Farms: A Hot Topic in Marine Ecology Exo, K., Hüppop, O., Garthe, S. April 2003 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds, Ecosystem, Nearfield Habitat
Effects of offshore wind farms on birds: "Cuisinarts of the sky" or just tilting at windmills? Tingley, M. March 2003 Thesis Wind Energy general, Offshore Wind Dynamic Device Birds, Passerines, Seabirds
Thermal Animal Detection System (TADS): Development of a Method for Estimating Collision Frequency of Migrating Birds at Offshore Wind Turbines Desholm, M. January 2003 Report Wind Energy general, Offshore Wind Dynamic Device Birds, Passerines, Seabirds, Waterfowl
Offshore Wind Farms in the Western Great Lakes: An Interdisciplinary Analysis of their Potential Hingtgen, J. January 2003 Thesis Wind Energy general, Offshore Wind
Movements of Seals from Rødsand Seal Sanctuary Monitored by Satellite Telemetry Dietz, R., et al. January 2003 Report Wind Energy general, Offshore Wind Marine Mammals, Pinnipeds
Renewable Energy from the Ocean Pelc, R., Fujita, R. November 2002 Journal Article Marine Energy general, Wind Energy general, Offshore Wind
Future Offshore: A Strategic Framework for the Offshore Wind Industry UK Department of Trade and Industry November 2002 Report Wind Energy general, Offshore Wind Socio-economics
Burbo Offshore Wind Farm Volume 2: ES Biological Environment The University of Liverpool Centre for Marine and Coastal Studies September 2002 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Fish, Marine Mammals, Nearfield Habitat
High Level Environmental Screening Study for Offshore Wind Farm Developments - Marine Habitats and Species Project Hiscock, K., Tyler-Walters, H., Jones, H. August 2002 Report Wind Energy general, Offshore Wind Dynamic Device, EMF, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Seabirds, Ecosystem, Farfield Environment, Fish, Marine Mammals, Nearfield Habitat, Socio-economics
Technologies and their Influence on Future UK Marine Resource Development and Management Side, J., Jowitt, P. July 2002 Journal Article Marine Energy general, Wave, Wind Energy general, Offshore Wind Socio-economics
Postdevelopment Experiments to Detect Anthropogenic Disturbances: The Case of Sea Ducks and Wind Parks Guillemette, M., Larsen, J. June 2002 Journal Article Wind Energy general, Offshore Wind Static Device Birds, Waterfowl
The Role of the DPSIR Approach and Conceptual Models in Marine Environmental Management: An Example for Offshore Wind Power Elliott, M. June 2002 Journal Article Wind Energy general, Offshore Wind Socio-economics
Predicting the Displacement of Common Scoter Melanitta nigra from Benthic Feeding Areas Due to Offshore Windfarms Kaiser, M., et al. March 2002 Report Wind Energy general, Offshore Wind Static Device Birds, Waterfowl
Potential Effects of Offshore Wind Developments on Coastal Processes Beiboer, F., Cooper, B. January 2002 Report Wind Energy general, Offshore Wind Energy Removal Farfield Environment, Nearfield Habitat
Gunfleet Sands Offshore Wind Farm Environmental Statement GE Wind Energy January 2002 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Nearfield Habitat, Socio-economics, Environmental Impact Assessment
Open Ocean Aquaculture and Offshore Wind Farms. A feasibility study on the multifunctional use of offshore wind farms and offshore mariculture in the North Sea area Buck, B. January 2002 Report Wind Energy general, Offshore Wind Socio-economics, Fishing
Recommendations for project-related studies of possible impacts of marine wind farms during construction and operation on birds Hüppop, O., Exo, K., Garthe, S. January 2002 Journal Article Wind Energy general, Offshore Wind Birds
Acoustic and Electromagnetic Noise Induced by Wind Mills - Implications for Underwater Surveillance Systems Pilot Study Fristedt, T., Morén, P., Söderberg, P. September 2001 Report Wind Energy general, Offshore Wind EMF, Noise Socio-economics
The Potential Effects of Electromagnetic Fields Generated by Cabling Between Offshore Wind Turbines upon Elasmobranch Fishes Gill, A., Taylor, H. September 2001 Report Wind Energy general, Offshore Wind EMF Fish
Life Cycle Assessment of a 150 MW Offshore Wind Turbine Farm at Nysted/Roedsand, Denmark Properzi, S., Herk-Hansen, H. July 2001 Conference Paper Wind Energy general, Offshore Wind Socio-economics, Life Cycle Assessment
Environmental Consequences of Offshore Wind Power Generation Parkinson, K. April 2001 Thesis Wind Energy general, Offshore Wind Energy Removal, Static Device Birds, Fish, Marine Mammals
Assessment of the Effects of Offshore Wind in Birds Percival, S. January 2001 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds, Waterfowl
Assessment Of The Effects Of Noise And Vibration From Offshore Wind Farms On Marine Wildlife Vella, G., et al. January 2001 Report Wind Energy general, Offshore Wind Noise Fish, Marine Mammals
Noise Measurements and Analysis: Offshore Pile-Driving Underwater and Above-Water Ødegaard and Danneskiold-Samsøe October 2000 Report Wind Energy general, Offshore Wind Noise
Horns Rev Offshore Wind Farm Environmental Impact Assessment: Summary of EIA Report Elsamprojekt May 2000 Report Wind Energy general, Offshore Wind Ecosystem, Socio-economics, Environmental Impact Assessment
Effects of Marine Windfarms on the Distribution of Fish, Shellfish and Marine Mammals in the Horns Rev Area Hoffmann, E., et al. May 2000 Report Wind Energy general, Offshore Wind EMF, Noise, Static Device Benthic Invertebrates, Fish, Marine Mammals, Pinnipeds
Underwater Noise Measurements, Analysis, and Predictions Degn, U. March 2000 Report Wind Energy general, Offshore Wind Noise
Effects on Birds of an Offshore Wind Park at Horns Rev: Environmental Impact Assessment Noer, H., et al. January 2000 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Raptors, Seabirds, Waterfowl, Socio-economics, Environmental Impact Assessment
Windpower and Grey Seals: An Impact Assessment of Potential Effects by Sea-Based Windpower Plants on a Local Seal Population Sundberg, J., Söderman, M. December 1999 Report Wind Energy general, Offshore Wind Marine Mammals, Pinnipeds
Nocturnal flight activity of sea ducks near the windfarm Tunø Knob in the Kattegat Tulp, I., et al. December 1999 Report Wind Energy general, Offshore Wind Birds, Waterfowl
Assessing the Impact of the Tunø Knob Wind Park on Sea Ducks: The Influence of Food Resources Guillemette, M., Larsen, J., Clausager, I. February 1999 Report Wind Energy general, Offshore Wind Birds, Seabirds, Shorebirds
Impact Assessment of an Off-shore Wind Park on Sea Ducks Guillemette, M., Larsen, J., Clausager, I. March 1998 Report Wind Energy general, Offshore Wind Noise, Static Device Birds, Waterfowl, Socio-economics, Environmental Impact Assessment
Nocturnal Flight Patterns and Altitudes of Diving Ducks in the IJsselmeer Area Dirksen, S., et al. December 1997 Journal Article Wind Energy general, Offshore Wind Birds, Waterfowl
Effect of Tunø Knob Windpark on Birds Guillemette, M., Larsen, J., Clausager, I. January 1997 Report Wind Energy general, Offshore Wind Birds, Seabirds
Bird Casualties Caused by a Wind Energy Project in an Estuary Musters, C., Noordervliet, M., terKeurs, W. March 1996 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds, Shorebirds, Waterfowl
Ocean Energies: Environmental, Economic and Technological Aspects of Alternative Power Sources Charlier, R., Justus, J. September 1993 Book Marine Energy general, Wind Energy general, Offshore Wind Farfield Environment, Socio-economics
An improved marine radar system for studies of bird migration Cooper, B., et al. January 1991 Journal Article Wind Energy general, Offshore Wind Birds
OceanPlug Planned Project Site OES-Environmental Marine Energy general, Wave, Wind Energy general, Offshore Wind

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