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Title Preliminary processed CTD data from SANAE on SA Agulhas II Voyage 022, November 2016
Project South African National Antarctic Expedition (SANAE)
Authors

Ansorge, Isabelle
University of Cape Town; role: Physical Oceanographer

Fawcett, Sarah
University of Cape Town; role: Biogeochemical Oceanographer

Monteiro, Pedro
Council for Scientific and Industrial Research; role: Chief Oceanographer

Thomalla, Sandy
Council for Scientific and Industrial Research; role: Principal Scientist

Joubert, Warren
Council for Scientific and Industrial Research; role: Principal Scientist

Ryan-Keogh, Thomas
Council for Scientific and Industrial Research; role: Principal Scientist

Mtshali, Thato
Council for Scientific and Industrial Research; role: Biogeochemical Oceanographer

Bekker, Annette
Stellenbosch University; role: Associate Professor

Fietz, Susanne
Stellenbosch University; role: Senior Lecturer

Verheye, Hans
Department of Forestry, Fisheries and the Environment; role: Specialist Scientist

Makhado, Azwianewi
Department of Forestry, Fisheries and the Environment; role: Chief Scientist

Henry, Tahlia
University of Cape Town; role: Chief Scientist

Publisher Department of Forestry, Fisheries and the Environment (2017)
Contributors

Contact Person: Ansorge, Isabelle
University of Cape Town; role: Physical Oceanographer; email: Isabelle.ansorge@uct.ac.za

Abstract The South African National Antarctic Expedition (SANAE) is an annual cruise undertaken by the Department of Environmental Affairs (DEA) to change the overwintering teams in Antarctica and to replenish the supplies at the SANAE IV Research base. This voyage was to deliver the SANAE 56 team to the island and return with the SANAE 55 team. The cruise was undertaken between 30 November 2016 and 07 February 2017 with a full scientific complement. This processed Conductivity, Temperature, Depth (CTD) data is from the SANAE oboard the SA Agulhas II voyage 022, between 30 November 2016 and 07 February 2017. This dataset was processed using older standards which may not align with international best practices and the standards currently adhered to by the Department of Forestry, Fisheries and the Environment (DFFE). The Department is re-processing and replacing data to ensure everything has the same format and is of the same quality and datasets will be marked as obsoleted once that is done. As such the user assumes the entire risk related to the use of these data in its current state and format. DFFE disclaims all warranties of the data whether expressed or implied, including without limitation, any warranties of merchantability or fitness for a particular purpose. For any concerns regarding the data, the user may decide to liaise with the listed PIs who will share their insight on the data quality, where possible. It is also strongly recommended that the user liaises with the listed PIs regarding their proposed projects to mitigate against duplication of research efforts.
Methods The CTD raw data was converted to scientific units using SBEDataProcessing software (ver 7.26.7.114). The following modules (SBEDataProcessing) were then run on the converted data using the recommended default values: Align CTD, Filter, Loop Edit and Cell Thermal Mass. The data was then split into the up cast and the down cast. The down cast data was then bin averaged on pressure, every 1db.
Data
Temporal extent 30 Nov 2016 – 07 Feb 2017
Geographic extent

South Atlantic Ocean, Southern Ocean, Cape Town, Antarctica

North: -33.925
South: -70.16
West: -36.0
East: 18.424

Keywords ANTARCTICA , Conductivity , CTD , Depth , EOV: Physics > Subsurface salinity , EOV: Physics > Subsurface temperature , SA Agulhas II , SA Agulhas II 022
Related resources
  • This digital object is part of South African National Antarctic Expedition (SANAE) on the SA Agulhas II Voyage 022, November 2016 (10.15493/dea.mims.26052265)