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The Port of London Authority (PLA) Hydrographic Service was commissioned by DONG Energy to undertake repeat Multibeam Echosounder (MBES) and Side Scan Sonar (SSS) surveys at the Gunfleet Sands Offshore Windfarm in the Thames Estuary. Previous surveys have been conducted at 6 monthly intervals from September 2010. The surveys are required for the FEPA Licence Numbers: Gunfleet Sands I & II (GF1L/2011/0064/9 & GF2 L/2011/00065/3) Offshore Windfarm. The scope of work, for the March 2012 survey, was as undertaken in 2010 which included: 1. MBES and SSS survey of 100m wide corridor along Export Cable Route between the windfarm substation and landfall site, to the east of Clacton-on-Sea. 2. For 2011, a requirement for additional works and analysis identified by DONG Energy, namely: - difference surface along export line, and comments on wider area geomorphology and bathymetric changes. 3. For August 2011 the scour around the substation was assessed and compared against previous surveys. 4. For March 2012 there was a requirement to delineate the full extent of scour from the substation. This series covers survey elements which were undertaken on the 23rd and 24th March 2012 along the Export Cable Route and around the substation. The survey work was carried out using the PLA survey vessel ‘Yantlet’, with bathymetric data being collected using a hull-mounted Reson SeaBat 8125h MBES and SSS extracted from the bathymetric data in the form of snippets and backscatter.
DONG Energy Power (UK) Ltd
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 7184 |
| 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. | 2012, PLA Hydrographic Service, Gunfleet Sands 1 and 2, Export Cable And Substation Inspection Surveys (Spring 2012) |
| 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. | 82aa306a-b40b-47b6-b043-4c1033e853c3 |
| Resource Identifier | This is the code assigned by the data owner. | 717a |
| 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 | 2012-03-23 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2012-03-24 |
| 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 Port of London Authority (PLA) Hydrographic Service was commissioned by DONG Energy to undertake repeat Multibeam Echosounder (MBES) and Side Scan Sonar (SSS) surveys at the Gunfleet Sands Offshore Windfarm in the Thames Estuary. Previous surveys have been conducted at 6 monthly intervals from September 2010. The surveys are required for the FEPA Licence Numbers: Gunfleet Sands I & II (GF1L/2011/0064/9 & GF2 L/2011/00065/3) Offshore Windfarm. The scope of work, for the March 2012 survey, was as undertaken in 2010 which included: 1. MBES and SSS survey of 100m wide corridor along Export Cable Route between the windfarm substation and landfall site, to the east of Clacton-on-Sea. 2. For 2011, a requirement for additional works and analysis identified by DONG Energy, namely: - difference surface along export line, and comments on wider area geomorphology and bathymetric changes. 3. For August 2011 the scour around the substation was assessed and compared against previous surveys. 4. For March 2012 there was a requirement to delineate the full extent of scour from the substation. This series covers survey elements which were undertaken on the 23rd and 24th March 2012 along the Export Cable Route and around the substation. The survey work was carried out using the PLA survey vessel ‘Yantlet’, with bathymetric data being collected using a hull-mounted Reson SeaBat 8125h MBES and SSS extracted from the bathymetric data in the form of snippets and backscatter. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This metadata file was created by the Crown Estate for the purpose of uploading to the Marine Data Exchange. This survey represents DONG Deliverable 717a. |
| Related keywords | ||
| Keyword | 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 | Renewable Energy Lease area | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Post-Construction monitoring | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Bathymetry and Seafloor topography | |
| 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 | Geophysical | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Sediments | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | scouring | |
| 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 | Marine Environmental Data and Information Network | |
| Keyword title | MEDIN | |
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network |
| Keyword title | MEDIN | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 52.5 |
| East | The eastern-most limit of the data resource in decimal degrees | 2 |
| South | The southern-most limit of the data resource in decimal degrees | 51 |
| West | The western-most limit of the data resource in decimal degrees | 1 |
| Regional sea | Southern North Sea | |
| North Sea | ||
| 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 | DONG Energy Power (UK) Ltd | |
| Position name | Data Manager | |
| 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 | DONG Energy Power (UK) Ltd | |
| Position name | Data Manager | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Port of London Authority Hydrographic Service | |
| Phone | +44 (0) 1474 562206 | |
| Fax | +44 (0) 1474 562314 | |
| Delivery point | Hydrographic Service, Royal Pier Road | |
| Postal code | DA12 2BG | |
| City | Gravesend | |
| Administrative area | Kent | |
| Country | United Kingdom | |
| URL | www.pla.co.uk/hydrohomepage | |
| Resource locators | ||
| Legal limitations | Any restrictions imposed on accessing the resource. | http://marinedataexchange.co.uk/pages/terms-of-use.aspx |
| Dataset constraints | ||
| Limitations on public access | Any restrictions imposed on accessing the resource such as the need to agree to certain licence conditions. | Available for use providing the originators are acknowledged in any publications produced. |
| Access constraints (code) | ISO restriction code chosen from ISO 19115-1 Codelist | otherRestrictions |
| Use constraints (code) | ISO restriction name chosen from ISO 19115-1 Codelist | otherRestrictions |
| Use constraints | Any restriction on the use of the resource such as the need to agree to certain licence conditions. | http://marinedataexchange.co.uk/pages/terms-of-use.aspx |
| 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. | 2012-03-24 |
| Metadata date | The date when the content of this metadata record was last updated. | 2016-08-01 |
| 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 | 2.3.7 |
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