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Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) (2246)

DOI: 10.15493/DEA.MIMS.07122024
Raw Expendable Bathythermograph (XBT) casts collected during the Marion Island Relief Voyage on the SA Agulhas II Voyage 062, May 2024

Here we present 59 raw Expendable Bathythermograph (XBT) casts collected in the South West Indian Ridge area and along the Crossroads Transect, between 13 May 2024 and 15 May 2024, during the 2024 Marion Relief Voyage on the SA Agulhas II Voyage 062. 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.05122024
Marion Island Relief Voyage on the SA Agulhas II Voyage 062, May 2024

The 2024 Marion Relief Voyage 062, offered the 12th 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 (PEIs). The ship-based research was conducted as a joint multi-institutional, multidisciplinary effort with scientists, research technicians, interns and students from the Department of Forestry, Fisheries and the Environment: Oceans & Coastal Research (DFFE-OCR),...

DOI: 10.15493/DEA.MIMS.06122024
Processed Expendable Bathythermograph (XBT) casts collected during the Marion Island Relief Voyage on the SA Agulhas II Voyage 062, May 2024

Here we present 59 processed Expendable Bathythermograph (XBT) casts collected in the South West Indian Ridge area and along the Crossroads Transect, between 13 May 2024 and 15 May 2024, during the during the 2024 Marion Relief Voyage on the SA Agulhas II Voyage 062. 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...

DOI: 10.15493/DEA.MIMS.42112024
Current Meter and Sediment Trap Recovery Shelf Chemistry on the Africana Voyage 114, June 1993

The Current Meter and Sediment Trap Recovery Shelf Chemistry on the Africana Voyage 114, June 1993 was conducted from 21 June 1993 to June 30 1993. The main objectives of the cruise were to recover and redeploy the inshore time series current meter array deployed in 168m off Cape Columbine. To locate and attempt recovery of the inshore current meter deployed in 132m off Hondeklip Bay; to locate and attempt recovery of the offshore current meter sediment trap array deployed in 686m off...

DOI: 10.15493/DEA.MIMS.41112024
Anchovy Recruitment Survey on the Africana Voyage 112, May 1993

The Anchovy Recruitment Survey on the Africana Voyage 112 was conducted from 18 May 1993 to June 05 1993. The main objectives of the cruise were to estimate the abundance and size-structure of anchovy and pilchard recruits; to describe the distribution and anchovy and pilchard recruits and the influence of oceanographic variables on these. To collect biological data on pelagic fish species and to examine the distribution, abundance and production of plankton in relation to the environment...

DOI: 10.15493/DEA.MIMS.40112024
South Coast Demersal Biomass Survey on the Africana Voyage 111, April 1993

The South Coast Biomass Survey on the Africana Voyage 111 was conducted from 15 April 1993 to May 12 1993. The main objectives of the cruise were to conduct a stratified bottom trawl survey to assess the biomass, abundance and distribution of hake, sole, horse mackerel, squid and other trawl species on the Agulhas Bank; to investigate the hydrology and current profiles of the South Coast and to relate this to the distribution of the major demersal trawl species. This included five transects...

DOI: 10.15493/DEA.MIMS.48112024
Processed CTD discrete observations from the Current Meter and Sediment Trap Recovery Shelf Chemistry on the Africa Voyage 114, June 1993

Here we present processed Conductivity-Temperature-Depth (CTD) discrete data from the upcast collected, between 21 June and 30 June 1993, during voyage 114 in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.47112024
Processed CTD continuous observations from the Current Meter and Sediment Trap Recovery Shelf Chemistry on the Africana Voyage 114, June 1993

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected, between 21 June and 30 June 1993, during voyage 114, in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of Southern Africa. Neil Brown MK3 and MK4 Conductivity-Temperature-Depth (CTD) instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.46112024
Processed CTD discrete observations from the Anchovy Recruitment Survey on the Africana Voyage 112, May 1993

Here we present processed Conductivity-Temperature-Depth (CTD) discrete data from the upcast collected, between 18 May and 05 June 1993, during voyage 112 in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.45112024
Processed CTD continuous observations from the Anchovy Recruitment Survey on the Africana Voyage 112, May 1993

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected, between 18 May and 05 June 1993, during voyage 112 in the Benguela Current Large Marine Ecosysten (BCLME) region on the west coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.44112024
Processed CTD discrete observations from the South Coast Demersal Biomass Survey on the Africana Voyage 111, April 1993

Here we present processed Conductivity-Temperature-Depth (CTD) discrete data from the upcast collected, between 15 April and 12 May 1993, during voyage 111 in the Agulhas Current Large Marine Ecosystem (ACLME) region on the south coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.43112024
Processed CTD continuous observations from the South Coast Demersal Biomass Survey on the Africana Voyage 111, April 1993

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected, between 15 April and 12 May 1993, during voyage 111 in the Agulhas Current Large Marine Ecosysten (ACLME) region on the south coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.10502023
Daily data from Port Nolloth weather station, May 2018 to January 2021

Coastal, land based automatic weather stations situated in the West Coast of South Africa; Cape Columbine, Elands Bay and Port Nolloth have been actively collecting data for various project since 1982 until today at different locations. These instruments provide useful meteorological information for understanding coastal dynamics such as upwelling, ocean current movements and air sea exchange.

DOI: 10.15493/dea.mims.26052310
Port Nolloth weather station data

Weather station data from Port Nolloth measuring the rainfall, temperature, humidity, and wind speed.

DOI: 10.15493/DEA.MIMS.10512023
Hourly data from Port Nolloth weather station, May 2018 to January 2021

Coastal, land based automatic weather stations situated in the West Coast of South Africa; Cape Columbine, Elands Bay and Port Nolloth have been actively collecting data for various project since 1982 until today at different locations. These instruments provide useful meteorological information for understanding coastal dynamics such as upwelling, ocean current movements and air sea exchange.

DOI: 10.15493/DEA.MIMS.19072024
Processed CTD continuous observations from the South Coast Demersal Biomass Survey on the Africana Voyage 093, June 1991

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected between 07 June and 05 July 1991, during voyage 093 on the Africana, in the Agulhas Current Large Marine Ecosystem (ACLME) region on the south coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.18072024
South Coast Demersal Biomass Survey on the Africana Voyage 093, June 1991

The South Coast Demersal Biomass Survey on the Africana Voyage 093 was conducted from 7 June 1991 to 5 July 1991. The main objectives of the cruise were to conduct a random stratified bottom trawl survey to assess the biomass, abundance and distribution of hake, sole, horse mackerel, squid and other trawl species; to investigate the hydrology and current profiles of the South Coast and to relate this to the distribution of the major demersal trawl species; this will include five transects...

DOI: 10.15493/DEA.MIMS.29112024
Short-term observations of currents and sub-surface temperatures on the continental shelf off Port St Johns, along the east coast of South Africa

Between 2013 and 2014, a short-term mooring deployment was conducted to determine the oceanographic characteristics and variability off Port St Johns, along the east coast of South Africa. One mooring (PJ) was deployed, at a depth of 95m, between July 2013 and September 2014. This mooring measured currents, as well as sub-surface bottom temperatures on the continental shelf off Port St Johns on the east coast of South Africa.

DOI: 10.15493/DEA.MIMS.37112024
Short-term observations of hourly bottom temperatures on the continental shelf off Port St Johns, along the east coast of South Africa (December 2013 - September 2014)

Between 2013 and 2014, a short-term mooring deployment was conducted to determine the oceanographic characteristics and variability of Port St Johns, along the east coast of South Africa. One mooring (PJ) was deployed, at a depth of 90m, between July 2013 and September 2014. This mooring measured currents, as well as sub-surface bottom temperatures on the continental shelf off Port St Johns on the east coast of South Africa. Here we present processed hourly bottom temperatures (85 m) from an...

DOI: 10.15493/DEA.MIMS.16112024
Processed CTD continuous observations from the West Coast Hake Biomass Survey on the Africana Voyage 109, January 1993

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected, between 19 January and 08 February 1993, during voyage 109 on the FRS Africana, in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.15112024
West Coast Hake Biomass Survey on the Africana Voyage 109, January 1993

The West Coast Hake Biomass Survey was conducted on the Africana Voyage 109 from 19 January to 08 February 1993. The objectives of the cruise were to survey by means of bottom trawling the abundance of hake and ither demersal species on the West Coast of South Africa; to investigate the environmental and ecological interrelationships of hake and other demersal species; to study the biology of chondrichthyan species; to investigate the evolution of chondrichthyan immune systems; to obtain...

DOI: 10.15493/DEA.MIMS.13112024
Processed CTD continuous observations from the Pelagic Biomass Survey on the Africana Voyage 108, November 1992

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected, between 05 November and 02 December 1992, during voyage 108 on the FRS Africana, in the Agulhas Current Large Marine Ecosystem (ACLME) region on the south coast of Southern Africa and the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water...

DOI: 10.15493/DEA.MIMS.12112024
Pelagic Biomass Survey on the Africana Voyage 108, November 1992

The Pelagic Spawner Biomass Survey was conducted on the Africana Voyage 108 from 05 November to 02 December 1992. The objectives of the survey were to get an estimation of the biomass and population length structure of anchovy, pilchard and round herring off South Africa by means of echo-integration and midwater trawling; estimation of anchovy biomass by means of the egg production method, and trial estimation of pilchard biomass by means of the egg production method; description of...

DOI: 10.15493/DEA.MIMS.10112024
Processed CTD continuous observations from the Horse Mackerel Hydroacoustic Survey on the Africana Voyage 107, October 1992

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected, between 07 October and 23 October 1992, during voyage 107 on the FRS Africana, in the Agulhas Current Large Marine Ecosystem (ACLME) on the south coast of Southern Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises between 1983 and 2000.

DOI: 10.15493/DEA.MIMS.09112024
Horse Mackerel Hydroacoustic Survey on the Africana Voyage 107, October 1992

The Horse Mackerel Hydroacoustic Survey was conducted on the Africana Voyage 107 from 07-23 October 1992. The objectives of the survey were to obtain a hydroacoustic estimate of horse mackerel abundance in the area between East London and Mossel Bay; to obtain acoustic estimates of anchovy and pilchard abundance east of Mossel Bay to assist in the design of the pelagic spawner biomass survey in November; to obtain a target strength/length relationship for horse mackerel and target strength...