© OpenStreetMap contributors
- Add External Layer
- Upload Shapefile
- Layer Tutorial
- Close
Use the checkbox () to show or hide a layer.
Use the radio buttons () to select a layer to use with the identify function.
- Layers
- Opacity
Available layers
(ctrl+c)
Search for marine data across UK organisations
- API
- How-To
- About
- Contact MEDIN
- Share
Metadata: Radionuclides data within sediment cores collected in the North Sea between 2023 and 2024 and the Celtic Sea during 2023
Abstract:
These sample data are from sediment cores collected using a NIOZ (Royal Netherlands Institute for Sea Research design) Box Corer during 3 surveys conducted by the Research Vessel (RV) Cefas Endeavour. Samples were analysed for and data presented for lead-210 ( 210Pb), polonium-210 (210Po), caesium-137 (137Cs), radium-226 (226Ra), radium-228 (228Ra), and potassium-40 (40K)and used to help validate the range of sediment accumulation rates observed in the top 30 cm of the core (e.g., 137Cs) and assess any potential mineralogical changes across the studied core segment (e.g., 40K).
Data holder:
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)
| Other details | ||
| Internal code | Internally assigned metadata identifier | 10060 |
| 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. | Radionuclides data within sediment cores collected in the North Sea between 2023 and 2024 and the Celtic Sea during 2023 |
| 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. | CEFAS7f9ffe62-1736-471a-b9c8-ecfe032a13ce |
| Resource Identifier | This is the code assigned by the data owner. | CEFAS22176 |
| 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 | 2023-05-20 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2024-06-09 |
| 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. | These sample data are from sediment cores collected using a NIOZ (Royal Netherlands Institute for Sea Research design) Box Corer during 3 surveys conducted by the Research Vessel (RV) Cefas Endeavour. Samples were analysed for and data presented for lead-210 ( 210Pb), polonium-210 (210Po), caesium-137 (137Cs), radium-226 (226Ra), radium-228 (228Ra), and potassium-40 (40K)and used to help validate the range of sediment accumulation rates observed in the top 30 cm of the core (e.g., 137Cs) and assess any potential mineralogical changes across the studied core segment (e.g., 40K). |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | These data are from the following areas and surveys. - CEND072023 – North Sea (Farnes Deep, Fulmar, & Dogger Bank) – May 20- th- to June 10- th- , 2023. - CEND172023 – Celtic Sea – November 9- th- to November 28- th- , 2023. - CEND092024 – North Sea (Farnes Deep, Fulmar, & Dogger Bank) - May 24- th- to June 9- th- , 2024. At each station within a survey a NIOZ Box Corer was deployed collecting cores up to a maximum sediment depth of 30cm. A metal cylinder was used to take 10cm diameter sub core which were sliced at 2cm intervals for CEND072023 and CEND172023, and 1cm for CEND092024. Between 27 and 34 g of selected slices was mechanically compressed in a uniform plastic container that was then sealed and kept for at least for 21 days prior to high resolution gamma spectrometry analysis (ORTEC Broad Energy Germanium detector (BEGe), USA) to determine indirectly the activity concentration levels of radium-226 (226Ra) or supported lead-210 (210Pb), via its decay product lead-214 at 352 keV. Total 210Pb (i.e., sum of unsupported and supported fractions of 210Pb) was also determined indirectly via alpha spectrometry by measuring 210Po, a decay product of 210Pb in all slices. In more detail, approximately 0.3 g of freeze-dried material was spiked with a known amount of 209Po radiotracer (NPL, UK) and digested using 12 ml of a mixture of HNO3/HF (3/1) in a microwave system (CEM Mars 6, USA). After neutralisation using saturated H3BO3 and evaporation to dryness, each sample solution was taken up to 25 ml 0.5M HCl solution to allow for the spontaneous deposition of 209Po and 210Po on a silver disc for 5 hours at 90°C. Each silver disc was finally counted via alpha spectrometry for up to 5 days (ORTEC Octête Plus, USA). A data point can potentially have multiple Quality Flags (QFlags) which will be semicolon separated. Definition of each QFlag can be found in the QFlag text file attached to this record. This dataset was produced by work supported jointly by the Joint Nature Conservation Committee (JNCC) lead NC40 Offshore Marine Monitoring project funded by Department of Environment, Food, & Rural Affairs (Defra) under its flagship marine Natural Capital and Ecosystem Assessment (mNCEA) programme and by the Defra funded Carbon Management Project (project number MRD333). Find out more about mNCEA at `https://www.gov.uk/government/publications/natural-capital-and-ecosystem-assessment-programme`_ . .. _`https://www.gov.uk/government/publications/natural-capital-and-ecosystem-assessment-programme`: https://www.gov.uk/government/publications/natural-capital-and-ecosystem-assessment-programme |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Radionuclide |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Sediment | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Sea bed | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Ecosystem | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Analysis | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Habitats and biotopes | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Sediment | |
| 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 | 52.4595 |
| East | The eastern-most limit of the data resource in decimal degrees | 1.74086 |
| South | The southern-most limit of the data resource in decimal degrees | 52.4581 |
| West | The western-most limit of the data resource in decimal degrees | 1.73881 |
| 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/22176 |
| 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 | https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ | |
| 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. | 2025-05-08 |
| Date of last revision | The most recent date that the resource was revised. | 2025-05-09 |
| Date of creation | The date that the resource was created. | 2025-04-16 |
| 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. | 2025-05-09 |
| 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 | 3.1.1 |