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Metadata: Time-series physical and chemical transports through the Rockall Trough (2014-2018)
Abstract:
The dataset comprises monthly-averaged transport time-series through the Rockall Trough between 15 August 2014 and 15 June 2018 for the following variables: volume, temperature, salt, nitrate, phosphate, silicate, dissolved inorganic carbon and total alkalinity. Transport fields were created from OSNAP moored CTD data and volume transport has been calculated by the OSNAP project (https://www.o-snap.org/). Calibration and analysis was carried out as follows: Moored time-series (temperature, salinity, and pressure) were calibrated using standard cal-dip protocol; Section CTD data were calibrated using bottle samples; Water samples were analysed for dissolved inorganic nutrients, dissolved inorganic carbon and total alkalinity; Multiple linear regression equations were derived using data from the AR30-04 cruise in July 2018 (R/V Armstrong, 1st-30th July 2018) - these link dissolved inorganic nutrients / dissolved inorganic carbon / total alkalinity and temperature, salinity and pressure. Multiple linear regression equations were applied to calibrated moored time-series to calculate derived time-series of dissolved inorganic nutrients, dissolved inorganic carbon and total alkalinity. Time-series were low-pass filtered to remove tidal oscillations, interpolated onto 12-hourly time-steps, and a regular pressure grid. Volume transports were calculated from moored CTD and current meter records. Nutrient and carbon transports were calculate by multiplying volume transports by derived moored nutrient and carbon fields. Temperature transports were calculated by multiplying volume transports, by interpolated moored temperature fields, and by potential density, and specific heat of seawater. Salt transports were calculated by multiplying volume transports by interpolated moored salinity fields. The dataset is a contribution to the EU-funded ATLAS project (https://www.eu-atlas.org/).
Data holder:
British Oceanographic Data Centre
| Other details | ||
| Internal code | Internally assigned metadata identifier | 7755 |
| 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. | Time-series physical and chemical transports through the Rockall Trough (2014-2018) |
| 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 1048_RockallTrough_ATLAS_transports |
| 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. | 48677c7c346451cab47dcded94f92887 |
| Resource Identifier | This is the code assigned by the data owner. | EDMED7070 |
| 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 | 2014-08-15 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2018-06-15 |
| 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. | The dataset comprises monthly-averaged transport time-series through the Rockall Trough between 15 August 2014 and 15 June 2018 for the following variables: volume, temperature, salt, nitrate, phosphate, silicate, dissolved inorganic carbon and total alkalinity. Transport fields were created from OSNAP moored CTD data and volume transport has been calculated by the OSNAP project (https://www.o-snap.org/). Calibration and analysis was carried out as follows: Moored time-series (temperature, salinity, and pressure) were calibrated using standard cal-dip protocol; Section CTD data were calibrated using bottle samples; Water samples were analysed for dissolved inorganic nutrients, dissolved inorganic carbon and total alkalinity; Multiple linear regression equations were derived using data from the AR30-04 cruise in July 2018 (R/V Armstrong, 1st-30th July 2018) - these link dissolved inorganic nutrients / dissolved inorganic carbon / total alkalinity and temperature, salinity and pressure. Multiple linear regression equations were applied to calibrated moored time-series to calculate derived time-series of dissolved inorganic nutrients, dissolved inorganic carbon and total alkalinity. Time-series were low-pass filtered to remove tidal oscillations, interpolated onto 12-hourly time-steps, and a regular pressure grid. Volume transports were calculated from moored CTD and current meter records. Nutrient and carbon transports were calculate by multiplying volume transports by derived moored nutrient and carbon fields. Temperature transports were calculated by multiplying volume transports, by interpolated moored temperature fields, and by potential density, and specific heat of seawater. Salt transports were calculated by multiplying volume transports by interpolated moored salinity fields. The dataset is a contribution to the EU-funded ATLAS project (https://www.eu-atlas.org/). |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This dataset was created by scientists at the Scottish Association for Marine Science (SAMS) as a contribution to the EU ATLAS project. The underlying observational data were originally collected and processed as part of the OSNAP programme. The data were ultimately transferred to the British Oceanographic Data Centre (BODC), via the EU EMODnet Data Ingestion portal. They are held at BODC for long term archive and distribution in their original format.Instrument(s) used to collect data: CTD; current meters. |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Dissolved oxygen parameters in the water column |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Lagrangian currents and transport rates in the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Alkalinity, acidity and pH of the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Temperature variation in the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Nitrate concentration parameters in the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Phosphate concentration parameters in the water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Silicate concentration parameters in 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 | Total dissolved inorganic carbon (TCO2) concentration in the water column | |
| 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 | Marine Environmental Data and Information Network | |
| 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 | unknown | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 58.6311 |
| East | The eastern-most limit of the data resource in decimal degrees | -10.463 |
| South | The southern-most limit of the data resource in decimal degrees | 54.2651 |
| West | The western-most limit of the data resource in decimal degrees | -17.2915 |
| 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 | Scottish Association for Marine Science | |
| Individual name | Unknown | |
| Position name | Unknown | |
| Postal code | PA37 1QA | |
| City | Argyll | |
| Administrative area | Oban | |
| Country | United Kingdom | |
| laurence.mee@sams.ac.uk | ||
| URL | http://www.sams.ac.uk | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Scottish Association for Marine Science | |
| Individual name | Unknown | |
| Position name | Unknown | |
| Postal code | PA37 1QA | |
| City | Argyll | |
| Administrative area | Oban | |
| Country | United Kingdom | |
| laurence.mee@sams.ac.uk | ||
| URL | http://www.sams.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://cloud.emodnet-ingestion.eu/index.php/s/D8HWQdXjSE98kBJ |
| Locator name | Name of the web resource | Dataset Web Site |
| Locator function | Code that describes the function of the resource. ISO function code chosen from ISO 19115-1 Codelist | information |
| 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 | |
| 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. | No conditions apply |
| Available data formats | ||
| Data format | 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. | 2022-02-16 |
| Date of last revision | The most recent date that the resource was revised. | 2021-04-21 |
| Date of creation | The date that the resource was created. | 2020-08-25 |
| 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. | 2026-03-18 |
| 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 |