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Metadata: Southern Weddell Sea shelf CTD dataset collected using seal tags
Abstract:
This dataset is comprised of CTD temperature, salinity and potential temperature collected using seal tags. Data were collected as part of the NERC-funded project 'Ocean processes over the southern Weddell Sea shelf using seal tags'. Data were not collected as part of a cruise as seals were used as data activity platforms. 20 Weddell seals were tagged at the eastern end of the shelf-break north of the Filchner-Ronne Ice Shelf between 11 February 2011 and 03 May 2011. The aims of the project were: 1. The resulting data from the seals' dives will provide the most comprehensive picture to date of the ocean conditions over the southern Weddell Sea continental shelf. 2. By mapping the temperature of the water near the sea floor it will be possible to determine the locations where dense waters leave the shelf, and the processes involved: either a direct flow down the slope under gravity, or initially mixing at the shelf edge with waters from off the shelf before descending down the slope. 3. To determine where the source waters come onto the shelf. 4. Though the research was primarily oceanographic, the movements and diving behaviour provide insight to seal biologists studying the animals' behaviour. Data were collected as part of NERC standard grants NE/G014086/1 and NE/G014833/1. NE/G014086/1 was the lead grant and was led by Dr Keith William Nicholls of NERC British Antarctic Survey, Science Programmes and ran from 01 April 2010 to 31 December 2018. The secondary grant, NE/G014833/1, was led by Professor Michael Fedak of University of St Andrews, Sea Mammal Research Unit and ran from 01 October 2010 to 28 February 2014. The seal tag CTD data have been received by BODC and are currently available in original format upon request.
Data holder:
British Oceanographic Data Centre
| Other details | ||
| Internal code | Internally assigned metadata identifier | 7838 |
| 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. | Southern Weddell Sea shelf CTD dataset collected using seal tags |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | British Oceanographic Data Centre record 1048Weddell_Seal_Tags |
| 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. | 62851a53277e5312a230169d51bfcfef |
| Resource Identifier | This is the code assigned by the data owner. | EDMED6758 |
| 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 | 2011-02-11 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2011-05-03 |
| 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'. | asNeeded |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | This dataset is comprised of CTD temperature, salinity and potential temperature collected using seal tags. Data were collected as part of the NERC-funded project 'Ocean processes over the southern Weddell Sea shelf using seal tags'. Data were not collected as part of a cruise as seals were used as data activity platforms. 20 Weddell seals were tagged at the eastern end of the shelf-break north of the Filchner-Ronne Ice Shelf between 11 February 2011 and 03 May 2011. The aims of the project were: 1. The resulting data from the seals' dives will provide the most comprehensive picture to date of the ocean conditions over the southern Weddell Sea continental shelf. 2. By mapping the temperature of the water near the sea floor it will be possible to determine the locations where dense waters leave the shelf, and the processes involved: either a direct flow down the slope under gravity, or initially mixing at the shelf edge with waters from off the shelf before descending down the slope. 3. To determine where the source waters come onto the shelf. 4. Though the research was primarily oceanographic, the movements and diving behaviour provide insight to seal biologists studying the animals' behaviour. Data were collected as part of NERC standard grants NE/G014086/1 and NE/G014833/1. NE/G014086/1 was the lead grant and was led by Dr Keith William Nicholls of NERC British Antarctic Survey, Science Programmes and ran from 01 April 2010 to 31 December 2018. The secondary grant, NE/G014833/1, was led by Professor Michael Fedak of University of St Andrews, Sea Mammal Research Unit and ran from 01 October 2010 to 28 February 2014. The seal tag CTD data have been received by BODC and are currently available in original format upon request. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This dataset was created by scientists for the 'Ocean processes over the southern Weddell Sea shelf using seal tags' project, which runs from 2010 to 2018, following their in-house data processing and quality control procedures. The data were then provided to the British Oceanographic Data Centre (BODC) for ingestion into one of the schemas of the National Oceanographic Database (NODB). During ingestion BODC undertake quality control, documentation and metadata enhancement procedures appropriate to the type of data. For an overview please see http://www.bodc.ac.uk/about/informationtechnology/dataprocessing_steps/. BODC supply full information about data collection, data processing and data quality with all data requests to enable users to assess data suitability themselves.Instrument(s) used to collect data: CTD. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Publication year: 2016-05-19 Publication title: Bimodal Winter Haul-Out Patterns of Adult Weddell Seals (Leptonychotes weddellii) in the Southern Weddell Sea Publication authors: Lars Boehme Publication year: 2016-08-02 Publication title: Observed vulnerability of Filchner-Ronne Ice Shelf to wind-driven inflow of warm deep water Publication authors: E. Darelius Publication year: 2014-09-05 Publication title: Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica Publication authors: E.Darelius Publication year: 2013-03-18 Publication title: Wintertime Water Mass Modification near an Antarctic Ice Front Publication authors: Marius Arthun Publication year: 2013-09-01 Publication title: Seasonal inflow of warm water onto the southern Weddell Sea continental shelf, Antarctica Publication authors: Marius Arthun Publication year: 2015-01-13 Publication title: An alternative method for correcting fluorescence quenching Publication authors: L. Biermann Publication year: 2013-05-01 Publication title: The impact of animal platforms on polar ocean observation Publication authors: M.A.Fedak Publication year: 2015-01-06 Publication title: Efficient abstracting of dive profiles using a broken-stick model Publication authors: Theoni Photopoulou Publication year: 2015-07-29 Publication title: The generalized data management and collection protocol for Conductivity-Temperature-Depth Satellite Relay Data Loggers Publication authors: Theoni Photopoulou Publication year: 2013-12-03 Publication title: Estimates of the Southern Ocean general circulation improved by animal-borne instruments Publication authors: Fabien Roquet Publication year: 2014-09-02 Publication title: A Southern Indian Ocean database of hydrographic profiles obtained with instrumented elephant seals Publication authors: Fabien Roquet |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | unknown |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Temperature of the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Salinity of the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Natural Environment Research Council Designated Data Centres | |
| 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 | Oceanographic geographical features | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | -58.6066 |
| East | The eastern-most limit of the data resource in decimal degrees | -11.7987 |
| South | The southern-most limit of the data resource in decimal degrees | -79.6312 |
| West | The western-most limit of the data resource in decimal degrees | -62.7811 |
| 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 | British Oceanographic Data Centre | |
| Individual name | Polly HadÅžiabdic | |
| Position name | Head of the BODC Requests Team | |
| Delivery point | Joseph Proudman Building, 6 Brownlow Street | |
| Postal code | L3 5DA | |
| City | Liverpool | |
| Administrative area | Merseyside | |
| Country | United Kingdom | |
| enquiries@bodc.ac.uk | ||
| URL | https://www.bodc.ac.uk/ | |
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | British Oceanographic Data Centre | |
| Individual name | Unknown | |
| Position name | Unknown | |
| Delivery point | Joseph Proudman Building, 6 Brownlow Street | |
| Postal code | L3 5DA | |
| City | Liverpool | |
| Administrative area | Merseyside | |
| Country | United Kingdom | |
| enquiries@bodc.ac.uk | ||
| URL | https://www.bodc.ac.uk/ | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | British Oceanographic Data Centre | |
| Individual name | Unknown | |
| Position name | Unknown | |
| Delivery point | Joseph Proudman Building, 6 Brownlow Street | |
| Postal code | L3 5DA | |
| City | Liverpool | |
| Administrative area | Merseyside | |
| Country | United Kingdom | |
| enquiries@bodc.ac.uk | ||
| URL | https://www.bodc.ac.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 | British Oceanographic Data Centre | |
| Position name | Director | |
| Delivery point | Joseph Proudman Building, 6 Brownlow Street | |
| Postal code | L3 5DA | |
| City | Liverpool | |
| Administrative area | Merseyside | |
| Country | United Kingdom | |
| enquiries@bodc.ac.uk | ||
| URL | https://www.bodc.ac.uk/ | |
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | British Oceanographic Data Centre | |
| Position name | Director | |
| Delivery point | Joseph Proudman Building, 6 Brownlow Street | |
| Postal code | L3 5DA | |
| City | Liverpool | |
| Administrative area | Merseyside | |
| Country | United Kingdom | |
| enquiries@bodc.ac.uk | ||
| URL | https://www.bodc.ac.uk/ | |
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.bodc.ac.uk/data/bodc_database/nodb/data_collection/6758/ |
| Locator name | Name of the web resource | BODC online data delivery service |
| Locator function | Code that describes the function of the resource. ISO function code chosen from ISO 19115-1 Codelist | order |
| 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 | No limitations apply | |
| This states any limitations on access to the data. Multiple occurences are allowed here. One entry shall be from the INSPIRE Metadata registry and the other free text should be part of the resource `Have specific limitations`. | Data are freely available to all following agreement to the terms and conditions of a Data Licence | |
| 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. | Usage restrictions are specified in the terms of the licence |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | Network Common Data Form |
| Format in which digital data can be provided for transfer | Text or Plaintext | |
| 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. | 2018-08-24 |
| Date of last revision | The most recent date that the resource was revised. | 2023-12-08 |
| Date of creation | The date that the resource was created. | 2023-12-06 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-19 |
| Metadata date | The date when the content of this metadata record was last updated. | 2025-06-09 |
| 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 |