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Metadata: 2005, EMU Ltd, Lincs Offshore Wind Farm, Geophysical Survey
Abstract:
EMU Ltd was commissioned by Centrica Energy Ltd to undertake a preliminary geophysical survey over the Lincs wind farm site in the offshore area between Wash and Humber. The entire survey covered a total area of approximately 34.5 square kilometres. The survey was commissioned to meet two main objectives: 1) To identify the thickness of sediment units and depth to rockhead; and 2) To identify the positions of possible ferrous debris. In order to meet these requirements the following data were collected: • Seismic data to provide information on the sub-surface geology and thickness of surficial sediments • Bathymetric soundings to determine seabed topographic variations and to reduce seismic data to datum • Magnetometer data to determine the position and size of ferrous objects The collection of survey data was undertaken between 3rd February and 5th February 2005 utilising a vessel called ‘Kirkspray’. A comprehensive set of data was collected throughout the survey site. The bathymetry data indicate that the seabed slopes gently from 10m below Chart Datum (CD) in the northwest corner, towards the southeast to a maximum depth of 30m below CD. Underlying less than 1m of surface sediments are glacial tills, which form a generally uniform horizon. This top horizon, thought to be ablation till, has been divided locally into the Upper Sedimentary Unit (USU) and the Lower Sedimentary Unit (LSU). The total thickness of these units ranges from 5 to 13m with the greater values found in the north east of the survey area. The base of the Sediment Units/top of the underlying chalk is not a distinct horizon due to the fact that the top of the chalk is heavily weathered. Therefore, a change in the character of the seismic records rather than a distinct reflector has been mapped and is likely to coincide with the weathered zone at the top of the bedrock. The magnetometer data indicate that there are several small ferrous objects on the site.
Data holder:
Centrica Renewable Energy Limited
| Other details | ||
| Internal code | Internally assigned metadata identifier | 4764 |
| 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, EMU Ltd, Lincs Offshore Wind Farm, Geophysical 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. | 59e6d60331e257c59efdb152ec71a604 |
| Resource Identifier | This is the code assigned by the data owner. | 1190 |
| 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 | 2005-02-03 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2005-02-05 |
| Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | inapplicable |
| 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. | EMU Ltd was commissioned by Centrica Energy Ltd to undertake a preliminary geophysical survey over the Lincs wind farm site in the offshore area between Wash and Humber. The entire survey covered a total area of approximately 34.5 square kilometres. The survey was commissioned to meet two main objectives: 1) To identify the thickness of sediment units and depth to rockhead; and 2) To identify the positions of possible ferrous debris. In order to meet these requirements the following data were collected: • Seismic data to provide information on the sub-surface geology and thickness of surficial sediments • Bathymetric soundings to determine seabed topographic variations and to reduce seismic data to datum • Magnetometer data to determine the position and size of ferrous objects The collection of survey data was undertaken between 3rd February and 5th February 2005 utilising a vessel called ‘Kirkspray’. A comprehensive set of data was collected throughout the survey site. The bathymetry data indicate that the seabed slopes gently from 10m below Chart Datum (CD) in the northwest corner, towards the southeast to a maximum depth of 30m below CD. Underlying less than 1m of surface sediments are glacial tills, which form a generally uniform horizon. This top horizon, thought to be ablation till, has been divided locally into the Upper Sedimentary Unit (USU) and the Lower Sedimentary Unit (LSU). The total thickness of these units ranges from 5 to 13m with the greater values found in the north east of the survey area. The base of the Sediment Units/top of the underlying chalk is not a distinct horizon due to the fact that the top of the chalk is heavily weathered. Therefore, a change in the character of the seismic records rather than a distinct reflector has been mapped and is likely to coincide with the weathered zone at the top of the bedrock. The magnetometer data indicate that there are several small ferrous objects on the site. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Emu Ltd was commissioned by Centrica Energy Ltd to undertake a preliminary geophysical survey over the Lincs windfarm site in the offshore area between Wash and Humber. The entire survey covered a total area of approximately 34.5 square kilometres. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Origin: EMU Ltd |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Geology | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Feasibility | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Agreement for Lease Area | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Tidal Height | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Sedimentary Structures | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Magnetic Anomalies | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Physical Oceanography | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Bathymetry and Elevation | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | echo sounder | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Seismic reflection | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 53.271317239598 |
| East | The eastern-most limit of the data resource in decimal degrees | 0.52389494189844 |
| South | The southern-most limit of the data resource in decimal degrees | 53.164480450937 |
| West | The western-most limit of the data resource in decimal degrees | 0.44765720155553 |
| 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 | Centrica Renewable Energy Limited | |
| Position name | GIS and Data Manager | |
| Phone | 01753 492188 | |
| Delivery point | Millstream East 1st Floor, Maidenhead Road | |
| Postal code | SL4 5GD | |
| City | Windsor | |
| Administrative area | Berkshire | |
| Country | United Kingdom | |
| renewables.documentcontrol@centrica.com | ||
| URL | www.centrica.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 | Centrica Renewable Energy Limited | |
| Position name | GIS and Data Manager | |
| Phone | 01753 492188 | |
| Delivery point | Millstream East 1st Floor, Maidenhead Road | |
| Postal code | SL4 5GD | |
| City | Windsor | |
| Administrative area | Berkshire | |
| Country | United Kingdom | |
| renewables.documentcontrol@centrica.com | ||
| URL | www.centrica.com | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | EMU Ltd - Head Office | |
| Position name | GIS and Data Manager | |
| Phone | 01489 860050 | |
| Fax | 01489 861051 | |
| Delivery point | 1 Mill Court, The Sawmills | |
| Postal code | SO32 2EJ | |
| City | Southampton | |
| Administrative area | Hampshire | |
| Country | United Kingdom | |
| marketing@emulimited.com | ||
| URL | www.emulimited.com | |
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/886/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 21 Conditions for Access and Use - Use limitation | 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. | no conditions apply |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | |
| 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. | 2005-05-01 |
| Date of creation | The date that the resource was created. | 2005-02-04 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-12 |
| Metadata date | The date when the content of this metadata record was last updated. | 2007-11-26 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN Discovery Metadata Standard |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | Version 2.3.5 |