Southern Weddell Sea shelf CTD dataset collected using seal tags

• Availability: Not released
• Published by: Marine Environmental Data & Information Network
• Last updated: 24 August 2018
• Topic: Not added
• Licence: Other Licence ; View licence information

Summary

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' beahviour. 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 runs 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 runs 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.

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• Added to data.gov.uk: 2022-03-02
• Access contraints: Data are freely available to all following agreement to the terms and conditions of a Data Licence
• Harvest GUID: 62851a53277e5312a230169d51bfcfef
• Extent: Latitude: -58.6066° to -79.6312°
• Extent: Longitude: -62.7811° to -11.7987°
• Dataset reference date: 2018-08-24 (publication)
• Dataset reference date: 2017-12-11 (creation)
• Dataset reference date: 2018-08-24 (revision)
• Frequency of update: asNeeded
• Responsible party: British Oceanographic Data Centre (owner, originator, custodian, distributor)
• ISO 19139 resource type: dataset
• Metadata language: eng
• Source Metadata: XML
• Source Metadata: HTML

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