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Metadata: Multibeam bathymetry survey between Start Point and West Rutts in 2012
Abstract:
A multibeam bathymetry survey of a previously unsurveyed area of seabed, carried out in 2012 between Start Point and West Rutts. This is within the Start Point to Plymouth Sound and Eddystone Reefs candidate Special Area od Conservation (cSAC) off South Devon. Together, the inshore and offshore elements of the survey work will form the basis for mapping extent and assessing baseline conditions of features to allow any future changes in condition to be detected. The work will build on the initial surveys of the area, which have provided the information upon which Natural England have recommended to Defra that these sites be designated as candidate SACs, under the Habitats Directive.
Data holder:
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)
| Other details | ||
| Internal code | Internally assigned metadata identifier | 8986 |
| 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. | Multibeam bathymetry survey between Start Point and West Rutts in 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. | CEFAS035374ec-8971-4e10-95e1-cfde79f3d883 |
| Resource Identifier | This is the code assigned by the data owner. | CEFAS570 |
| 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. | dataset |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 2012-07-13 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2012-09-27 |
| 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. | A multibeam bathymetry survey of a previously unsurveyed area of seabed, carried out in 2012 between Start Point and West Rutts. This is within the Start Point to Plymouth Sound and Eddystone Reefs candidate Special Area od Conservation (cSAC) off South Devon. Together, the inshore and offshore elements of the survey work will form the basis for mapping extent and assessing baseline conditions of features to allow any future changes in condition to be detected. The work will build on the initial surveys of the area, which have provided the information upon which Natural England have recommended to Defra that these sites be designated as candidate SACs, under the Habitats Directive. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | In 2012 Cefas Endeavour gathered multibeam data with associated backscatter data from the areas not covered in the acoustic survey carried out by Cefas in early 2011 between Start Point and West Rutts. All survey at the Start Point area was conducted using both the EM2040 and EM3002D multibeam systems to ensure compatibility with prior survey using the EM3002D system. The multi-beam data were processed using Caris Hips and Sips Ver7.1.1 service pack 1. A total of 55 lines were imported into Caris, where kinematic tidal adjustments were applied and some basic filtering. Overall the data was good and relatively clean with a few areas of noise that needed manual cleaning. Geotiffs were produced as well as an xyz file and the GSF files. The 55 lines of data equates to 344km of multi-beam data. The Geotiff was produced at a resolution of 1m with a vertical exaggeration of 6 and the colour map rainbow.The backscatter data were produced using Fledermaus FMGT v7.32. The backscatter Geotiff was produced at 0.75m resolution in one tile and at 0.3m resolution in 19 tiles. |
| Related keywords | ||
| Keyword | 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 | Oceanographic geographical features | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Circalittoral | |
| 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 | data.gov.uk | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 50.5 |
| East | The eastern-most limit of the data resource in decimal degrees | -3.5 |
| South | The southern-most limit of the data resource in decimal degrees | 50 |
| West | The western-most limit of the data resource in decimal degrees | -4.5 |
| 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 | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| data.manager@cefas.co.uk | ||
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| data.manager@cefas.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 | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| data.manager@cefas.co.uk | ||
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| data.manager@cefas.co.uk | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Department for Environment, Food and Rural Affairs (DEFRA) | |
| defra.helpline@defra.gov.uk | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://data.cefas.co.uk/view/570 |
| Locator name | Name of the web resource | Cefas Data Portal |
| 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 | noLimitations | |
| 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 | http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_RestrictionCode | |
| 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. | 2012-09-26 |
| Date of last revision | The most recent date that the resource was revised. | 2023-01-31 |
| Date of creation | The date that the resource was created. | 2012-09-25 |
| 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. | 2023-01-31 |
| 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 | 3.1.1 |