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Metadata: 2009 EMU Limited, Wave Hub Hydrographyc Survey for Archaeological Assessment
Abstract:
Emu Ltd was commissioned by Halcrow Group Limited to undertake a hydrographic survey of the proposed wave hub site, located approximately 18 km from St Ives, Cornwall. The survey included the collection of multibeam bathymetry, sidescan sonar and magnetometer data throughout the proposed wave hub site and cable route. The primary objective of the survey was to provide data for archaeological analysis by a third party contracted by the client. The survey was carried out using the vessel FPV Morven between 28th August and 20th September, 2008. The equipment used included a Geometrics G882 marine magnetometer, a fully motion-aided Reson 8101 multibeam system and an Edgetech 4200 dual frequency sidescan sonar system. A Coda Octopus F180 motion reference unit with EGNOS differential corrections was used for horizontal positioning of the vessel. Tides were acquired using a Leica GX1230 system and post-processed with RINEX data. Survey lines were run at 50 m spacing with the sidescan and magnetometer systems deployed off the port and starboard sides respectively. The Reson 8101 swath transducer head was attached by a pole to the port side of the vessel throughout. Forty-one approximately northsouth lines were run in the main proposed wave hub area, with a further 11 lines run along the cable corridor. Cross lines were also completed inshore to ensure sufficient coverage was acquired.
Data holder:
Wave Hub
| Other details | ||
| Internal code | Internally assigned metadata identifier | 5582 |
| 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. | 2009 EMU Limited, Wave Hub Hydrographyc Survey for Archaeological Assessment |
| 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. | e66d8893-b5a7-4efa-a12f-9b19e205b315 |
| Resource Identifier | This is the code assigned by the data owner. | 08/J/1/02/1329/0829 |
| 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 | 2008-08-28 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2008-09-20 |
| 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'. | irregular |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | Emu Ltd was commissioned by Halcrow Group Limited to undertake a hydrographic survey of the proposed wave hub site, located approximately 18 km from St Ives, Cornwall. The survey included the collection of multibeam bathymetry, sidescan sonar and magnetometer data throughout the proposed wave hub site and cable route. The primary objective of the survey was to provide data for archaeological analysis by a third party contracted by the client. The survey was carried out using the vessel FPV Morven between 28th August and 20th September, 2008. The equipment used included a Geometrics G882 marine magnetometer, a fully motion-aided Reson 8101 multibeam system and an Edgetech 4200 dual frequency sidescan sonar system. A Coda Octopus F180 motion reference unit with EGNOS differential corrections was used for horizontal positioning of the vessel. Tides were acquired using a Leica GX1230 system and post-processed with RINEX data. Survey lines were run at 50 m spacing with the sidescan and magnetometer systems deployed off the port and starboard sides respectively. The Reson 8101 swath transducer head was attached by a pole to the port side of the vessel throughout. Forty-one approximately northsouth lines were run in the main proposed wave hub area, with a further 11 lines run along the cable corridor. Cross lines were also completed inshore to ensure sufficient coverage was acquired. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Metadata file created with the purpose of uploading the data on the Marine Data Exchange (MDE) |
| 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 | Research and Development Activity | |
| 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 | Offshore Cable Corridor | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Offshore area of search | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Magnetics | |
| 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 | Side-scan sonar | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 50.382627376492 |
| East | The eastern-most limit of the data resource in decimal degrees | -5.5915854529992 |
| South | The southern-most limit of the data resource in decimal degrees | 50.344237087391 |
| West | The western-most limit of the data resource in decimal degrees | -5.6285155495186 |
| 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 | Wave Hub | |
| Individual name | Julius Besterman | |
| Fax | N/A | |
| Julius Besterman (julius.besterman@wavehub.co.uk) | ||
| URL | http://www.wavehub.co.uk/ | |
| 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 | Wave Hub | |
| Individual name | Julius Besterman | |
| Fax | N/A | |
| Julius Besterman (julius.besterman@wavehub.co.uk) | ||
| URL | http://www.wavehub.co.uk/ | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | EMU Limited - Head Office | |
| Phone | +44 (0) 1489 860 050 | |
| Fax | +44 (0) 1489 860 051 | |
| Delivery point | 1 Mill Court, The Sawmills | |
| Julius Besterman (julius.besterman@wavehub.co.uk) | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/2261/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. | http://www.marinedataexchange.co.uk/pages/terms-of-use.aspx |
| 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. | http://www.marinedataexchange.co.uk/pages/terms-of-use.aspx | |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | |
| Version info | ||
| Date of creation | The date that the resource was created. | 2026-04-17 |
| 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. | 2011-04-14 |
| 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 |