Resources

Time series data collected from moorings deployed in the Orkney Passage (2007 onwards)

Data set information

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General  
Data holding centreBritish Oceanographic Data Centre
CountryUnited Kingdom  United Kingdom
Time period25 February 2007 onwards
OngoingYes
Geographical area

Orkney Passage

Observations 
Parameters

Sea level; Vertical velocity of the water column (currents); Moored instrument depth; Salinity of the water column; Temperature of the water column; Platform or instrument orientation; Electrical conductivity of the water column; Horizontal velocity of the water column (currents)

Instruments

Current profilers; CTD; current meters

Description 
Summary

This dataset comprises a time series of measurements of water current, temperature, conductivity, and pressure from instruments deployed at various depths in the Orkney Passage from 2007 onwards. The instruments were deployed in sub surface oceanographic moorings at fixed locations, in order to monitor the transport of Weddell Sea Deep Water (ESDW), a precursor to Antarctic Bottom Water (AABW), flowing northward from the Weddell Sea into the Scotia Sea. For 2007-2011 data are typically at hourly resolution; in subsequent years, most instruments are sampling at 10 minutes' resolution. The moorings are deployed in water depths ranging between approx. 1750 and 3670 metres, with instrument depths between 1250 and 3660 metres. This time series originally started out as part of the British Antarctic Survey's Long-Term Monitoring and Survey (LTMS) programme, led by Keith Nicholls; from 2016 it is continuing as part of the Ocean Regulation of Climate by Heat and Carbon Sequestration and Transports (ORCHESTRA) project, led by Emily Shuckburgh (British Antarctic Survey) and Dynamics of the Orkney Passage Outflow (DyNOPO) led by Alberto Naveira Garabato (National Oceanography Centre). Additional support for mooring instrumentation has come from NOAA through their Ocean Climate Observation Program, Weddell Sea Moorings project, PI's Bruce Huber and Arnold Gordon, Lamont-Doherty Earth Observatory, Columbia University. The mooring work is currently led and coordinated by Povl Abrahamsen at the British Antarctic Survey. The data are subject to a two year organisational moratorium from collection after which they become publically available.

OriginatorsBritish Antarctic Survey
Data web sitehttps://www.bodc.ac.uk/data/bodc_database/nodb/data_collection/6565/
Availability 
OrganisationBritish Oceanographic Data Centre
AvailabilityLicence; organisation
ContactPolly Hadžiabdić (Head of the BODC Requests Team)
Address

British Oceanographic Data Centre
Joseph Proudman Building 6 Brownlow Street
Liverpool
Merseyside
L3 5DA
United Kingdom

Telephone+44 (0)151 795 4886
Emailenquiries@bodc.ac.uk
Administration 
Collating centreBritish Oceanographic Data Centre
Local identifier1048OrkneyPassage_moored_time_series
Global identifier6565
Last revised2018-10-18