Title Preliminary processed and bin averaged CTD data from the Marion Island Relief Voyage on the SA Agulhas II Voyage 019, April 2016
Project Marion Island Relief Voyage
Authors

Hans Verheye
Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment (DFFE) Specialist Scientist 2nd Floor, Foretrust Building, 1 Martin Hammerschlag Way, Cape Town, South Africa

Publisher Department of Forestry, Fisheries and the Environment (2022)
Contributors

Contact Person: Tarron Lamont
Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment (DFFE) Marine Scientist 2nd Floor, Foretrust Building, 1 Martin Hammerschlag Way, Cape Town, South Africa, tarron.lamont@gmail.com

Contact Person: Jenny Huggett
Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment (DFFE) Marine Scientist 2nd Floor, Foretrust Building, 1 Martin Hammerschlag Way, Cape Town, South Africa, Jhuggett@environment.gov.za

Abstract This is processed Conductivity, Temperature, Depth (CTD) data (1m BinAvg) from the Marion Island Relief Voyage on the MV SA Agulhas II Voyage 019, 7 April to 16 May 2016. The 2016 Marion Relief Voyage 019 offered the 4th opportunity to conduct multi-disciplinary, ship-based marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research and supply vessel MV SA Agulhas II en route to, and around, the sub-Antarctic Prince Edward archipelago. The overall aim was to continue contributing to an oceanographic observation and monitoring system directed by South African research institutions in support of South Africa’s needs – and where possible, in support of global requirements of inter alia the Global Oceans Observing System (GOOS), the Southern Ocean Observing System (SOOS), the Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR), and the Agreement on the Conservation of Albatrosses and Petrels (ACAP).With the declaration on 9 April 2013 of the Prince Edward Islands (PEIs) as South Africa’s first offshore Marine Protected Area (MPA), the outcomes of this cruise will further contribute toward an integrated view and a better understanding of the functioning of the combined island/marine PEI ecosystem. 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. 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
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
Temporal extent 07 Apr 2016 – 16 May 2016
Geographic extent

South Indian Ocean, Prince Edward Islands

North: -34.998
South: -47.6
West: 18.6
East: 38.6

Keywords Conductivity, CTD, Depth, INDIAN OCEAN, SA Agulhas II, SA Agulhas II 019, Temperature
Related resources
  • This digital object is part of Marion Island Relief Voyage on the MV SA Agulhas II Voyage 019, April 2016 (10.15493/dea.mims.26052203)