DOI: 10.15493/dea.mims.26052161
Raw Expendable Bathythermograph (XBT) casts collected during the 2020 Marion Relief Voyage on SA Agulhas Voyage 042

The South African component of the international South Atlantic Meridional Overturning Circulation project (SAMOC-SA) aims to characterise the time-mean and time-varying components of the SAMOC in the South Atlantic Ocean and monitor the variability of the main Southern Ocean frontal systems associated with the Antarctic Circumpolar Current (ACC), south of Africa. The Crossroads monitoring line, directly under the altimetry track N198, is sampled annually during the Marion Relief voyages,...

DOI: 10.15493/dea.mims.25010010
Raw underway Thermosalinograph (TSG) observations from the SA Agulhas II Voyage 036, April 2019

A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the observations are continuously interfaced with navigational information. A temperature sensor close to the intake provides temperature measurements of the incoming water (T1). The temperature of the water inside the...

DOI: 10.15493/dea.mims.25010012
Processed underway Thermosalinograph (TSG) observations from the SA Agulhas II Voyage 041, December 2019

A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the observations are continuously interfaced with navigational information. A temperature sensor close to the intake provides temperature measurements of the incoming water (T1). The temperature of the water inside the...

DOI: 10.15493/dea.mims.25010008
Raw underway Thermosalinograph (TSG) observations from the SA Agulhas II Voyage 035, November 2018

A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the observations are continuously interfaced with navigational information. A temperature sensor close to the intake provides temperature measurements of the incoming water (T1). The temperature of the water inside the...

DOI: 10.15493/DEA.MIMS.01372023
Processed near-surface underway Thermosalinograph (TSG) observations from the Marion Island Relief Voyage on the SA Agulhas II Voyage 045, May 2021

Here we present the 6-second resolution processed Thermosalinograph (TSG) data collected between 09 April 2021 and 12 May 2021 during the 2021 Marion Relief Voyage on the SA Agulhas II Voyage 045. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the observations are...

DOI: 10.15493/DEA.MIMS.01422023
Raw Expendable Bathythermograph (XBT) casts collected during the 2022 Marion Relief Voyage on the SA Agulhas II Voyage 051, May 2022

Here we present 49 raw Expendable Bathythermograph (XBT) casts collected in the South West Indian Ridge area and along the Crossroads Transect, between 18 May 2022 and 21 May 2022, during the 2022 Marion Relief Voyage on the SA Agulhas II Voyage 051. The South African component of the international South Atlantic Meridional Overturning Circulation project (SAMOC-SA) aims to characterise the time-mean and time-varying components of the SAMOC in the South Atlantic Ocean and monitor the...

DOI: 10.15493/DEA.MIMS.01432023
Processed Expendable Bathythermograph (XBT) casts collected during the 2022 Marion Relief Voyage on the SA Agulhas II Voyage 051, May 2022

Here we present 49 processed Expendable Bathythermograph (XBT) casts collected in the South West Indian Ridge area and along the Crossroads Transect, between 18 May 2022 and 21 May 2022, during the 2022 Marion Relief Voyage on the SA Agulhas II Voyage 051. The South African component of the international South Atlantic Meridional Overturning Circulation project (SAMOC-SA) aims to characterise the time-mean and time-varying components of the SAMOC in the South Atlantic Ocean and monitor the...

DOI: 10.15493/DEA.MIMS.01362023
Raw near-surface underway temperature and salinity (TSG) observations from SA Agulhas II Voyage 049, December 2021

Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 03 December 2021 and 28 January 2022 during the South African National Antarctic Expedition (SANAE) cruise on the SA Agulhas II Voyage 049. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the...

DOI: 10.15493/DEA.MIMS.01402023
Processed near-surface underway temperature and salinity (TSG) observations from the SEAmester and ASCA Scientific Cruise on the SA Agulhas II Voyage 052, June 2022

Here we present the 6-second resolution processed Thermosalinograph (TSG) data collected on the SEAmester and Agulhas System Climate Array (ASCA) Scientific Cruise on the SA Agulhas II Voyage 052 between 27 June and 07 July 2022. The cruise operated from Cape Town to the ASCA transect (~ 34°S) off Hamburg in the Eastern Cape, South West Indian Ocean. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements...

DOI: 10.15493/DEA.MIMS.01412023
Raw near-surface underway temperature and salinity (TSG) observations from the SEAmester and ASCA Scientific Cruise on the SA Agulhas II Voyage 052, June 2022

Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected on the SEAmester and Agulhas System Climate Array (ASCA) Scientific Cruise on the SA Agulhas II Voyage 052 between 27 June and 07 July 2022. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel,...

DOI: 10.15493/DEA.MIMS.01382023
Raw near-surface underway Thermosalinograph (TSG) observations from the Marion Island Relief Voyage on the SA Agulhas II Voyage 045, May 2021

Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 09 April 2021 and 12 May 2021 during the 2021 Marion Relief Voyage on the SA Agulhas II Voyage 045. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the observations are...

(No DOI)
Raw SPAR data from the Mooring Cruise on the Algoa Voyage 199, June 2013

This is raw Surface Photosynthetically Active Radiation (SPAR) data from the Mooring Cruise on the Algoa Voyage 199 from 29 June - 3 July, 2013. The area covered includes Slangkop, off of Cape Town, Western Cape, South Africa to Port Edward, south of Durban, KwaZulu-Natal, South Africa.

DOI: 10.15493/DEA.MIMS.01312023
Processed near-surface underway temperature and salinity (TSG) observations from the Marion Island Relief Voyage on the SA Agulhas II Voyage 051, March 2022

Here we present the 6-second resolution processed Thermosalinograph (TSG) data collected between 16 April 2022 and 22 May 2022 on the Marion Island Relief Voyage was conducted on the SA Agulhas II Voyage 051. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the...

DOI: 10.15493/DEA.MIMS.01322023
Raw near-surface underway temperature and salinity (TSG) observations from the Marion Island Relief Voyage on the SA Agulhas II Voyage 051, March 2022

Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 16 April 2022 and 22 May 2022 on the Marion Island Relief Voyage was conducted on the SA Agulhas II Voyage 051. A SeaBird SBE45 Thermosalinograph (TSG) is used to opportunistically collect underway near-surface temperature and conductivity measurements during research and monitoring cruises. Water is continuously pumped to the TSG from an intake located in the hull of the vessel, and the observations...

DOI: 10.15493/DEA.MIMS.01162023
Processed Expendable Bathythermograph (XBT) casts collected during the Marion Island Relief Voyage on the SA Agulhas II Voyage 045, May 2021

Here we present 57 processed Expendable Bathythermograph (XBT) casts collected in the South West Indian Ridge area and along the Crossroads Transect, between 08 May 2021 and 11 May 2021, during the 2021 Marion Relief Voyage on the SA Agulhas II Voyage 045. The South African component of the international South Atlantic Meridional Overturning Circulation project (SAMOC-SA) aims to characterise the time-mean and time-varying components of the SAMOC in the South Atlantic Ocean and monitor the...

DOI: 10.15493/DEA.MIMS.01102023
Marion Island Relief Voyage on the SA Agulhas II Voyage 045, May 2021

The Marion Island Relief Voyage was conducted on the SA Agulhas II Voyage 045 between 9 April and 12 May 2021. The 2021 Marion Relief Voyage 045 offered the 9th opportunity to conduct multi-disciplinary, ship-based oceanographic research on board the SA Agulhas II en-route to, from, and around, the sub-Antarctic Prince Edward Islands. Due to the world wide Covid-19 pandemic and the subsequent measures implemented by the South African government to contain the spread of the Covid-19 virus in...

DOI: 10.15493/DEA.MIMS.01122023
Marion Island Relief Voyage on the SA Agulhas II Voyage 051, March 2022

The Marion Island Relief Voyage was conducted on the SA Agulhas II Voyage 051 from 31 March to 23 May 2022. The 2022 Marion Relief Voyage 051 offered the 10th opportunity to conduct multi-disciplinary, ship-based oceanographic research on board the SA Agulhas II en route to, from, and around, the sub-Antarctic Prince Edward Islands (PEI’s). For the first time since the start of the global pandemic, 17 berths were allocated for ship-based scientists, but due to the helicopter logistics still...

(No DOI)
Processed CTD data from the Mooring Cruise on the Algoa Voyage 199, June 2013

This is processed Conductivity, Temperature, Depth (CTD) data from the Mooring Cruise on the Algoa Voyage 199 from 29 June - 3 July, 2013. The area covered includes Slangkop, off of Cape Town, Western Cape, South Africa to Port Edward, south of Durban, KwaZulu-Natal, South Africa. 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...

(No DOI)
Processed CTD data from the Pelagic Biomass Survey on the Africana Voyage 290, October 2016

This is processed Conductivity, Temperature, Depth (CTD) data from the Pelagic Biomass Survey on the Africana Voyage 290 from 25 October - 14 December 2016. The cruise operated from Hondeklip Bay to Port St Johns, South Africa.The principal aim of the Pelagic Biomass Surveys is to obtain estimates of the total biomass of anchovy, sardine and west coast round herring and to obtain data on their population length frequency compositions, for input to the operational management procedure (OMP)...

(No DOI)
Converted CTD data from the Pelagic Biomass Survey on the Africana Voyage 290, October 2016

This is converted Conductivity, Temperature, Depth (CTD) data from the Pelagic Biomass Survey on the Africana Voyage 290 from 25 October - 14 December 2016. The cruise operated from Hondeklip Bay to Port St Johns, South Africa.The principal aim of the Pelagic Biomass Surveys is to obtain estimates of the total biomass of anchovy, sardine and west coast round herring and to obtain data on their population length frequency compositions, for input to the operational management procedure (OMP)...

DOI: 10.15493/dea.mims.20210419
Agulhas System Climate Array (ASCA) cruise on SA Agulhas II Voyage 037, July 2019

The Agulhas System Climate Array (ASCA) is a mooring array and is designed to provide long-term observations of the Agulhas Current's volume, heat and salt transport and its variability from mesoscale (eddies), through seasonal to interannual timescales. The ASCA shelf and tall moorings extend 200 km offshore along decending TOPEX/Jason satellite ground track # 96, through the core of the Agulhas Current, with CPIES measurements extending the array to 300km offshore of Port Elizabeth. The...

DOI: 10.15493/dea.mims.25010011
South African National Antarctic Expedition (SANAE) on the SA Agulhas II Voyage 041, December 2019

The South African National Antarctic Expedition (SANAE) is an annual cruise undertaken by the Department of Environment, Forestry and Fisheries (DEFF) 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 59 team to the island and return with the SANAE 58 team. The cruise was undertaken on the SA Agulhas II Voyage 041 between 12 December 2019 and 27 February 2020 with a full scientific complement.

(No DOI)
Processed CTD data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, April 2017

This is processed Conductivity, Temperature, Depth (CTD) data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, 06 April to 12 May 2017. The 2017 Marion Relief Voyage offered the fifth opportunity to conduct multi-disciplinary, shipbased 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...

(No DOI)
Processed SADCP data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, April 2017

This is processed Shipboard Acoustic Doppler Current Profiler (SADCP) data from the Marion Island Annual Relief Voyage on the MV SA Agulhas II Voyage 024, 06 April to 12 May 2017. The 2017 Marion Relief Voyage offered the fifth opportunity to conduct multi-disciplinary, shipbased 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...

(No DOI)
Preliminary processed SADCP data from the Gough Island Relief cruise on the SA Agulhas II Voyage 021, September 2016

This is processed Shipboard Acoustic Doppler Current Profiler (SADCP) data from the Gough Island Relief cruise on the SA Agulhas II Voyage 021, between 01 September 2016 and 06 October 2016. The Gough Island Relief Voyage is an annual cruise undertaken by the Department of Environmental Affairs (DEA) to change the overwintering team in Gough Island and to replenish the supplies at the British’s leased Gough Island Research base. The cruise also serves as a means to transport the residents...