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Metadata: 2008, Subacoustech, Ormonde, Subsea Noise Impact Modelling
Abstract:
The report uses previous measurements and some scaling of data to predict the underwater noise levels during operations to construct the offshore wind farm. The study then uses this data to determine impact zones for marine species in the Barrow coastal region. Results consistently show that impact piling generates underwater noise levels exceeding both injury and behavioural disturbance thresholds for marine species reaching up to 2 km for injury and 27 km for behavioural impacts with monopile designs posing larger risks compared to jacket structures. Mitigation measures such as vibropiling, noise-reducing sleeves, bubble curtains, acoustic deterrents, and soft start procedures were recommended, alongside early-stage and ongoing monitoring to verify predictions and ensure compliance with regulatory best practice. The studies conclude that careful choice of piling technique, consideration of species sensitivity, and implementation of validated mitigation strategies are essential to minimizing ecological impacts during offshore wind farm construction.
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 19251 |
| Title | The title is used to provide a brief and precise description of the dataset such as 'Date', 'Originating organisation/programme', 'Location' and 'Type of survey'. All acronyms and abbreviations should be reproduced in full. | 2008, Subacoustech, Ormonde, Subsea Noise Impact Modelling |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | Subsea Noise Impact Modelling |
| File Identifier | The File Identifier is a code, preferably a GUID, that is globally unique and remains with the same metadata record even if the record is edited or transferred between portals or tools. | a7ac40ba-7d9e-441e-9e3c-5a9b3a70944a |
| Resource Identifier | This is the code assigned by the data owner. | TCE-1742 |
| Resource type | The resource type will likely be a dataset but could also be a series (collection of datasets with a common specification) or a service. | series |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 2008-06-30 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2008-06-30 |
| Frequency of updates | This describes the frequency with which the resource is modified or updated i.e. a monitoring programme that samples once per year has a frequency that is described as 'annually'. | notPlanned |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | The report uses previous measurements and some scaling of data to predict the underwater noise levels during operations to construct the offshore wind farm. The study then uses this data to determine impact zones for marine species in the Barrow coastal region. Results consistently show that impact piling generates underwater noise levels exceeding both injury and behavioural disturbance thresholds for marine species reaching up to 2 km for injury and 27 km for behavioural impacts with monopile designs posing larger risks compared to jacket structures. Mitigation measures such as vibropiling, noise-reducing sleeves, bubble curtains, acoustic deterrents, and soft start procedures were recommended, alongside early-stage and ongoing monitoring to verify predictions and ensure compliance with regulatory best practice. The studies conclude that careful choice of piling technique, consideration of species sensitivity, and implementation of validated mitigation strategies are essential to minimizing ecological impacts during offshore wind farm construction. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | It is well established that some construction noise sources such as impact piling generate high underwater noise levels. It is therefore important to consider and document the potential impact of the construction noise as part of the overall Environmental Assessment process. The high levels of underwater noise generated during offshore construction operations have the potential to cause both physical and behavioural effects in species of fish and marine mammals. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Presentation type: digital representation of a primarily textual item (can contain illustrations also) Origin: Subacoustech Ltd |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Acoustic noise in the water column |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Pre-Construction monitoring | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Renewable Energy Lease area | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Species distribution | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 54.108836704446 |
| East | The eastern-most limit of the data resource in decimal degrees | -3.3995065432795 |
| South | The southern-most limit of the data resource in decimal degrees | 54.067802809962 |
| West | The western-most limit of the data resource in decimal degrees | -3.4722449979419 |
| Responsible organisations | ||
| Role | The point of contact is person or organisation with responsibility for the creation and maintenance of the metadata for the resource. | pointOfContact |
| Organisation name | RPS (on behalf of Vattenfall) | |
| rpsbm@rpsgroup.com | ||
| Role | The custodian is the person or organisation that accepts responsibility for the resource and ensures appropriate care and maintenance. If a dataset has been lodged with a Data Archive Centre for maintenance then this organisation is be entered here. | custodian |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| enquiries@thecrownestate.co.uk | ||
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Subacoustech Environmental Ltd. | |
| info@subacoustech.com | ||
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| enquiries@thecrownestate.co.uk | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Vattenfall | |
| renewables@vattenfall.co.uk | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/TCE-1742/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 20.1 Limitations on Public Access - Access constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 20.2 Limitations on Public Access - Other constraints | There will be no limitations when published on the Marine Data Exchange | |
| 21.1 Conditions for Access and Use - Use constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 21.2 Conditions for Access and Use - Other constraints | This states any constraints on use of the data. Multiple conditions can be recorded for different parts of the data resource. If no conditions apply, then `No condtions apply` is recorded. This uses free text. | Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use |
| Version info | ||
| Date of publication | The publication date of the resource or if previously unpublished the date that the resource was made publicly available via the MEDIN network. | 2021-05-17 |
| Date of creation | The date that the resource was created. | 2008-06-30 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-09-27 |
| Metadata date | The date when the content of this metadata record was last updated. | 2026-09-11 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | 3.1.2 |