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Metadata: 2005-2006, Subacoustech, COWRIE Research, Measurement and interpretation of underwater noise during construction and operation of offshore windfarms in UK waters
Abstract:
This study was carried out to measure the underwater noise generated by offshore wind farms during the construction and operation phases. The purpose of the programme of measurements is to provide information which will aid the estimation and minimisation of the impact of noise during the lifecycle (construction, operation and decommissioning) of wind farms. Measurements were taken during the pile driving phase at North Hoyle, Scroby Sands, Kentish Flats, Barrow and Burbo Bank. The noise created during the pile driving process can cause injury and harmful damage to marine mammals close to the turbines (100metres) and behavioural effects at ranges of the order of 10 kilometres or more. Measurements were taken at the North Hoyle, Scroby Sands, Kentish Flats and Barrow offshore wind farms during the operation phase. In general, the level of noise created by operational wind farms was found to be very low and no evidence was found of noise levels that might have the capacity to cause marine animals to avoid the area.
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 18786 |
| 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. | 2005-2006, Subacoustech, COWRIE Research, Measurement and interpretation of underwater noise during construction and operation of offshore windfarms in UK waters |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | Measurement and interpretation of underwater noise during construction and operation of offshore windfarms in UK waters |
| 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. | 5e30238d-9349-446d-8741-d8ae504e438b |
| Resource Identifier | This is the code assigned by the data owner. | TCE-242 |
| 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 | 2005-09-30 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2006-07-10 |
| 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 study was carried out to measure the underwater noise generated by offshore wind farms during the construction and operation phases. The purpose of the programme of measurements is to provide information which will aid the estimation and minimisation of the impact of noise during the lifecycle (construction, operation and decommissioning) of wind farms. Measurements were taken during the pile driving phase at North Hoyle, Scroby Sands, Kentish Flats, Barrow and Burbo Bank. The noise created during the pile driving process can cause injury and harmful damage to marine mammals close to the turbines (100metres) and behavioural effects at ranges of the order of 10 kilometres or more. Measurements were taken at the North Hoyle, Scroby Sands, Kentish Flats and Barrow offshore wind farms during the operation phase. In general, the level of noise created by operational wind farms was found to be very low and no evidence was found of noise levels that might have the capacity to cause marine animals to avoid the area. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | For this programme of work a standard was adopted where measurements covered the frequency range of 1 Hz to over 120 kHz (data always oversampled at 350 kHz). This spans the entire frequency range over which fish and marine mammals can hear. Recording over this range is not trivial, both in terms of sample rate required and hence the quantity of data acquired, and the dynamic range that is required to adequately span a spectral dynamic range and temporal dynamic range that together may exceed 150 dB. Sound measurements were taken using Brüel & Kjær hydrophones. For the measurements close to the pile being driven a Type 8105 hydrophone was used, while for the measurements at greater distances, and for measurements at operational windfarms, a Type 8106 hydrophone was used. The latter type has a higher sensitivity than the former, and could overload if the sound level is high, as it is in the close vicinity to a pile being driven. The calibrations of the hydrophones are traceable to the Danish Primary Laboratory of Acoustics (DPLA) and the American National Institute of Standards and Technology (NIST) International calibration standards. Copies of the calibration charts supplied with the hydrophones are given in Appendix B. The calibrations of the hydrophones were also tested with a Brüel & Kjær Type 4223 pistonphone calibrator with WA0658 coupler prior to use. The calibrator operates at a nominal frequency of 250 Hz and was calibrated and traceable to International Standards. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Origin: Subacoustech Ltd |
| Related keywords | ||
| Keyword | 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 | Seal behaviour | |
| 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 | Research | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Research and Development Activity | |
| 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 | 54.012162576058 |
| East | The eastern-most limit of the data resource in decimal degrees | 1.8119515415347 |
| South | The southern-most limit of the data resource in decimal degrees | 51.445122296891 |
| West | The western-most limit of the data resource in decimal degrees | -3.4802186604714 |
| 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 | Subacoustech Ltd | |
| Position name | JR Nedwell, SJ Parvin, B Edwards, R Workman, AG Brooker, JE Kynoch | |
| Phone | 02380711840 | |
| jeremy.nedwell@subacoustech.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. | |
| Individual name | JR Nedwell, SJ Parvin, B Edwards, R Workman, AG Brooker, JE Kynoch | |
| Phone | +44 (0)1489 892 881 | |
| jeremy.nedwell@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 | COWRIE | |
| cowrie@offshorewind.co.uk | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/TCE-242/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. | 2007-01-01 |
| 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. | 2026-07-15 |
| 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 |