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Metadata: Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (UKDIMES) Data Set
Abstract:
The Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (DIMES) UK data set comprises hydrographic data, including measurements of temperature, salinity, currents and turbulence, supplemented by bathymetric and meteorological data. The study area is located within the Antarctic Circumpolar Current (ACC) in the southeast Pacific, Drake Passage and Scotia Sea regions of the Southern Ocean. Data collection began in December 2009 and ended in April 2014. The data were collected via a combination of research cruises in the southern hemisphere summer seasons. Three cruises were intended (UKD-1, UKD-2 and UKD-3) a further three cruises were completed (UKD-2.5, UKD-4 and UKD-5). Shipboard data collection involved the deployment of conductivity-temperature-depth (CTD) packages, accompanied by lowered acoustic Doppler current profilers (LADCPs), and Vertical Microstructure Profilers (VMPs) in a grid pattern across the study area. Continuous measurements of current velocities (using vessel mounted ADCPs, VMADCPs), bathymetry and surface ocean and meteorological properties were collected throughout each cruise. An inert chemical tracer (sulphur hexafluoride, SF6) was released into the ACC in early 2009, and subsequent cruises measured temporal changes in the tracer distribution via the analysis of water samples collected at CTD stations. In addition, a mooring cluster was deployed in Drake Passage in early 2009 provided approximately two years' worth of hydrographic time series data. Floats and drifters were also deployed in the 2009 and 2010 seasons. The DIMES project aims to enhance understanding of mixing processes in the Southern Ocean, as it is thought that such processes may significantly affect ocean energetics and property balances, and thus have implications for the accuracy of climate models. DIMES brings together researchers from both UK and US institutions, including the National Oceanography Centre (NOC), the University of East Anglia (UEA), British Antarctic Survey (BAS), the Scottish Association for Marine Science (SAMS), Woods Hole Oceanographic Institution (WHOI), Scripps Institute of Oceanography, Florida State University, the University of Washington and Massachusetts Institute of Technology (MIT). The UK principal investigator (PI) is A. Naveira Garabato from NOC and the UK data will be managed by the British Oceanographic Data Centre (BODC). Data collected on US cruises, including all float and drifter data, will be managed by US institutions and are not held at BODC.
Data holder:
British Oceanographic Data Centre
Other details | ||
Internal code | Internally assigned metadata identifier | 8661 |
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. | Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (UKDIMES) Data Set |
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 1048UKDIMES |
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. | 90f44c90467c5235a7e41b952b017a41 |
Resource Identifier | This is the code assigned by the data owner. | EDMED4287 |
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 | 2009-01-01 |
End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2021-12-20 |
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 Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (DIMES) UK data set comprises hydrographic data, including measurements of temperature, salinity, currents and turbulence, supplemented by bathymetric and meteorological data. The study area is located within the Antarctic Circumpolar Current (ACC) in the southeast Pacific, Drake Passage and Scotia Sea regions of the Southern Ocean. Data collection began in December 2009 and ended in April 2014. The data were collected via a combination of research cruises in the southern hemisphere summer seasons. Three cruises were intended (UKD-1, UKD-2 and UKD-3) a further three cruises were completed (UKD-2.5, UKD-4 and UKD-5). Shipboard data collection involved the deployment of conductivity-temperature-depth (CTD) packages, accompanied by lowered acoustic Doppler current profilers (LADCPs), and Vertical Microstructure Profilers (VMPs) in a grid pattern across the study area. Continuous measurements of current velocities (using vessel mounted ADCPs, VMADCPs), bathymetry and surface ocean and meteorological properties were collected throughout each cruise. An inert chemical tracer (sulphur hexafluoride, SF6) was released into the ACC in early 2009, and subsequent cruises measured temporal changes in the tracer distribution via the analysis of water samples collected at CTD stations. In addition, a mooring cluster was deployed in Drake Passage in early 2009 provided approximately two years' worth of hydrographic time series data. Floats and drifters were also deployed in the 2009 and 2010 seasons. The DIMES project aims to enhance understanding of mixing processes in the Southern Ocean, as it is thought that such processes may significantly affect ocean energetics and property balances, and thus have implications for the accuracy of climate models. DIMES brings together researchers from both UK and US institutions, including the National Oceanography Centre (NOC), the University of East Anglia (UEA), British Antarctic Survey (BAS), the Scottish Association for Marine Science (SAMS), Woods Hole Oceanographic Institution (WHOI), Scripps Institute of Oceanography, Florida State University, the University of Washington and Massachusetts Institute of Technology (MIT). The UK principal investigator (PI) is A. Naveira Garabato from NOC and the UK data will be managed by the British Oceanographic Data Centre (BODC). Data collected on US cruises, including all float and drifter data, will be managed by US institutions and are not held at BODC. |
Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This dataset was created by the organisations with the "originator" role in this metadata record 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: current profilers; lowered current profilers; thermosalinographs; single-beam echosounders; multi-beam echosounders; salinity sensor; unknown; microstructure sensors; CTD; satellite positioning systems; water body temperature sensor. |
Related keywords | ||
Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Wind strength and direction |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Variable fluorescence parameters | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Date and time | |
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 | Vertical velocity of the water column (currents) | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Horizontal velocity of the water column (currents) | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Concentration of inorganic sulphur species in the water column | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Air temperature | |
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 | Moored instrument depth | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Air pressure | |
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 | Turbulence in the water column | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Density of the water column | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Electrical conductivity of the water column | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Horizontal spatial co-ordinates | |
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 | Hydrography | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Meteorological geographical features | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Elevation | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Atmospheric conditions | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Geographical grid systems | |
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 | 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 | |
Geographical coverage | ||
North | The northern-most limit of the data resource in decimal degrees | -45 |
East | The eastern-most limit of the data resource in decimal degrees | -40 |
South | The southern-most limit of the data resource in decimal degrees | -65 |
West | The western-most limit of the data resource in decimal degrees | -120 |
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 | |
URL | https://www.bodc.ac.uk/ | |
Role | The owner is the person or organisation that owns the resource. | owner |
Organisation name | University of Southampton Department of Oceanography | |
Individual name | Unknown | |
Position name | Unknown | |
Delivery point | University of Southampton Waterfront Campus, European Way | |
Postal code | SO14 3ZH | |
City | Southampton | |
Administrative area | Hampshire | |
Country | United Kingdom | |
Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
Organisation name | University of Southampton Department of Oceanography | |
Individual name | Unknown | |
Position name | Unknown | |
Delivery point | University of Southampton Waterfront Campus, European Way | |
Postal code | SO14 3ZH | |
City | Southampton | |
Administrative area | Hampshire | |
Country | United Kingdom | |
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 | |
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 | |
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/4287/ |
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 only available on the basis of case-by-case negotiation for usage | |
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 |
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. | 2017-10-03 |
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. | 2015-09-17 |
Harvest date | The date which this record has been (re)harvested from the provider. | 2024-04-21 |
Metadata date | The date when the content of this metadata record was last updated. | 2021-12-20 |
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 |