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Metadata: 2010, Subacoustech, Ormonde, Subsea Acoustic Survey
Abstract:
This series presents the results of underwater noise monitoring carried out by Subacoustech Environmental Ltd between May and June 2010 during impact piling operations to install jacket pile foundations at the Ormonde Offshore Windfarm (Ormonde) site. The results have been interpreted in terms of the potential avoidance response this noise might have on selected marine species. Field measurements were carried out using calibrated hydrophones along four transects extending up to 30 km from turbine positions, supplemented by background noise recordings, literature review, and comparative analysis with established injury and behavioral criteria (US NMFS, Southall et al. 2007, UK BERR). The study employed both unweighted and species-specific dBht and M-weighted acoustic metrics to analyze noise exposure, accounting for hearing sensitivities and including predictive modeling for impact range estimation. Results showed low likelihood of lethal effects but potential for physical injury within 13 m, auditory injury for harbour porpoise up to 570 m, and behavioral avoidance at substantial distances (up to 17 km for porpoise).
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 19181 |
| 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. | 2010, Subacoustech, Ormonde, Subsea Acoustic Survey |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | Subsea Acoustic Survey |
| 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. | 9d052a66-4f9c-49d3-90d1-fba27f890b4e |
| Resource Identifier | This is the code assigned by the data owner. | TCE-1732 |
| 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 | 2010-05-09 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2010-06-26 |
| 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. | This series presents the results of underwater noise monitoring carried out by Subacoustech Environmental Ltd between May and June 2010 during impact piling operations to install jacket pile foundations at the Ormonde Offshore Windfarm (Ormonde) site. The results have been interpreted in terms of the potential avoidance response this noise might have on selected marine species. Field measurements were carried out using calibrated hydrophones along four transects extending up to 30 km from turbine positions, supplemented by background noise recordings, literature review, and comparative analysis with established injury and behavioral criteria (US NMFS, Southall et al. 2007, UK BERR). The study employed both unweighted and species-specific dBht and M-weighted acoustic metrics to analyze noise exposure, accounting for hearing sensitivities and including predictive modeling for impact range estimation. Results showed low likelihood of lethal effects but potential for physical injury within 13 m, auditory injury for harbour porpoise up to 570 m, and behavioral avoidance at substantial distances (up to 17 km for porpoise). |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | To assess the likely behavioural response of a species of marine animal to underwater noise, a measure of its hearing sensitivity in the form of an audiogram is required. This report presents some of the peer reviewed data on hearing sensitivities of fish and marine mammals that is thought to be the most reliable. For many species, however, there is either no sensitivity data available, or the data that is available is of poor quality. The approach that has been undertaken in this study is to base the assessment of underwater noise on the perceived level of sound for a number of species of fish and marine mammal that are present in the region, and other UK waters, and for which a good quality audiogram is available. |
| 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 | Cetacean behaviour | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish abundance in water bodies | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Cetacean abundance | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish behaviour | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | 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) | |
| Position name | Senior Consultant | |
| Phone | N/A | |
| N/A | ||
| 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. | |
| david.lambert@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-1732/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. | 2010-09-13 |
| 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 |