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DOI: 10.15493/DEA.MIMS.55122022
Processed CTD continuous observations from the Spanish-Namibian Environmental Cruise (SNEC) on the Africana Voyage 035, September 1985

This is processed downcast Conductivity-Temperature-Depth (CTD) continuous data from the Spanish-Namibian Environmental Cruise (SNEC) on the Africana Voyage 035, collected between 16 September and 06 October 1985. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objective of this cruise was to investigate the hydrology and plankton of the coastal waters off Nambia between 20 S and 26 S.

DOI: 10.15493/DEA.MIMS.39122022
Processed CTD continuous observations from the West Coast Physical Oceanography on the Africana Voyage 025, October 1984

This is processed downcast Conductivity-Temperature-Depth (CTD) continuous data from the West Coast Physical Oceanography on the Africana Voyage 025, collected between 25 and 31 October 1984. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objectives of this cruise included studying shelf circulation in the vicinity of Port Nolloth by placing three current meter moorings across the shelf; exploring the deep circulation...

DOI: 10.15493/DEA.MIMS.63122022
Processed CTD continuous observations from the West Coast Hake Biomass on the Africana Voyage 039, January 1986

This is processed downcast Conductivity-Temperature-Depth (CTD) continuous data from the West Coast Hake Biomass on the Africana Voyage 039, collected between 08 January and 05 February 1986. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle of hake and other demersal species; to...

DOI: 10.15493/DEA.MIMS.56122022
Processed CTD discrete observations from the Spanish-Namibian Environmental Cruise (SNEC) on the Africana Voyage 035, September 1985

This is processed Conductivity-Temperature-Depth (CTD) discrete data from the Spanish-Namibian Environmental Cruise (SNEC) on the Africana Voyage 035, collected between 16 September and 06 October 1985. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objective of this cruise was to investigate the hydrology and plankton of the coastal waters off Nambia between 20 S and 26 S.

DOI: 10.15493/DEA.MIMS.01222023
Raw underway Thermosalinograph (TSG) observations from the Benguela Air-Sea CO2 and Heat Flux Experiment on the Algoa Voyage 278, December 2021

Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 06 December and 19 December 2021 during the Benguela Air-Sea CO2 and Heat Flux Experiment cruise on the Algoa Voyage 278. 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.26112022
Processed CTD discrete observations from the West Coast Hake Biomass Survey on the Africana Voyage 015, January 1984

This is processed CTD discrete data from the upcast collected during the West Coast Hake Biomass Survey on the Africana Voyage 015 from 05 - 31 January 1984. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The purpose of this cruise was to survey by means of trawling the abundance of recruiting and adult hake between the Orange River and longitude 20° E. The objectives also included investigating the diurnal cycle of hake...

DOI: 10.15493/DEA.MIMS.35122022
Processed CTD continuous observations from the West Coast Hake Biomass on the Africana Voyage 022, July 1984

This is processed downcast Conductivity-Temperature-Depth (CTD) continuous data from the West Coast Hake Biomass cruise on the Africana Voyage 022 collected between 3 and 28 July 1984. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle and the environment of hake and other demersal...

DOI: 10.15493/DEA.MIMS.66122022
Raw CTD discrete observations from the West Coast Hake Biomass on the Africana Voyage 039, January 1986

This is raw Conductivity-Temperature-Depth (CTD) discrete data from the West Coast Hake Biomass on the Africana Voyage 039, collected between 08 January and 05 February 1986. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle of hake and other demersal species; to investigate the...

DOI: 10.15493/DEA.MIMS.01142023
Benguela Air-Sea CO2 and Heat Flux Experiment on the Algoa Voyage 278, December 2021

The Benguela Air-Sea CO2 and Heat Flux Experiment was conducted on the Algoa Voyage 278 from 6 to 19 December 2021. The cruise operated on the West Coast of South Africa at a fixed location between Station 4 and 5 of the St. Helena Bay monitoring line (SHBML) with the ship's bow into the wind. The objectives of the cruise were to examine, using high-resolution Eddy Co-Variance (EcV) and in situ observations, the role of the ocean “cool skin” on the air-sea flux of CO2 and heat; to examine,...

DOI: 10.15493/DEA.MIMS.53122022
Raw CTD continuous observations from the West Coast Hake Biomass on the Africana Voyage 033, July 1985

This is raw Conductivity-Temperature-Depth (CTD) continuous data from the West Coast Hake Biomass on the Africana Voyage 033, collected between 1 and 21 July 1985. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle of hake and other demersal species; to investigate the environment and...

DOI: 10.15493/DEA.MIMS.43122022
Processed CTD continuous observations from the Plankton Frontal Zone on the Africana Voyage 027, December 1984

This is processed downcast Conductivity-Temperature-Depth (CTD) continuous data from the Plankton Frontal Zone on the Africana Voyage 027. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The Plankton Frontal Zone cruise was carried out on the Africana Voyage 027 from 6 to 13 December 1984.

DOI: 10.15493/DEA.MIMS.42122022
Raw CTD discrete observations from the West Coast Physical Oceanography on the Africana Voyage 025, October 1984

This is raw Conductivity-Temperature-Depth (CTD) discrete data from the West Coast Physical Oceanography on the Africana Voyage 025, collected between 25 and 31 October 1984. The cruise operated in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. The objectives of this cruise included studying shelf circulation in the vicinity of Port Nolloth by placing three current meter moorings across the shelf; exploring the deep circulation in the Cape Basin...

DOI: 10.15493/DEA.MIMS.04372023
Raw CTD continuous observations from the South Coast Hake Biomass Survey on the Africana Voyage 048, September 1986

Here we present raw Conductivity-Temperature-Depth (CTD) continuous data collected between 12 September and 03 October 1986, during the South Coast Hake Biomass Cruise on the Africana Voyage 048, in the southern part of the Agulhas Current Large Marine Ecosystem (ACLME) on the south coast of South 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. 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...

DOI: 10.15493/DEA.MIMS.21072024
South Coast Demersal Biomass Survey on the Africana Voyage 095, September 1991

The South Coast Demersal Biomass Survey on the Africana Voyage 095 was conducted on 12 September 1991 to 3 October 1991. The main objective of the survey was 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 with emphasis on 'inshore' fishing areas for recruitment estimates; to investigate the hydrology and current profiles of the South Coast and to relate this to the distribution...

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.16072024
Processed CTD continuous observations from the Anchovy Recruitment Survey on the Africana Voyage 092, May 1991

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected between 07 May and 24 May 1991, during voyage 092 on the 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.08072024
Anchovy Recruitment Survey on the Africana Voyage 081, May 1990

The Anchovy Recruitment Survey on the Africana Voyage 081 was conducted from 07-12 May 1990. The objectives of the survey were to attain an estimation of the abundance and size-structure of anchovy recruits; describe the distribution and behaviour patterns of anchovy recruits and the influence of oceanographic variables on these; collect biological data on pelagic fish species; examine the distribution, abundance and production of zooplankton in relation to the environment, and to recruit...

DOI: 10.15493/DEA.MIMS.45072024
Pelagic Fish Biomass Survey on the Africana Voyage 097, November 1991

The Pelagic Fish Biomass Survey was conducted on the Africana Voyage 097 from 07 November to 03 December 1991. The objectives of the cruise were to estimate the biomass and population length structure of anchovy, pilchard, and round herring off South Africa by means of echo-integration and midwater trawling; to estimate anchovy biomass by means of the egg production method, and trial estimate pilchard biomass by means of the egg production method; to describe the distribution and behaviour...

DOI: 10.15493/DEA.MIMS.48072024
Agulhas Bank Boundary Processes on the Africana Voyage 099, January 1992

The Agulhas Bank Boundary Processes was conducted on the Africana Voyage 099, from 07-28 January 1992. The objectives of the cruise were to study the entrainment/loss of biota (fish eggs, larvae and plankton) along the shelf and shelf-edge by currents. This was undertaken by means of Acoustic Doppler Current Profilers (ADCP; current) measurements, and regular collection of biota with a combined bongo/calVET net with u³; to estimate the flux of the Agulhas Current along two lines by means of...

DOI: 10.15493/DEA.MIMS.42072024
Horse Mackerel Hydroacoustic Pilot Survey on the Africana Voyage 096, October 1991

The Horse Mackerel Hydroacoustic Pilot Survey was conducted on the Africana Voyage 096 from 14-28 October 1991. The objectives of the cruise were to test the feasibility of obtaining an acoustic estimate of adult horse mackerel; to assess the ability to determine target detectability, target identification and target strength; to obtain an estimate of horse mackerel abundance in a sub-region. The size of the sub-region were to be determined by the time available and on the results of the...

DOI: 10.15493/DEA.MIMS.30072024
West Coast Hake Biomass Survey on the Africana Voyage 088, January 1991

The West Coast Hake Biomass Survey was conducted on the Africana Voyage 088 from 07-29 January 1991. The objectives of the cruise were to survey by means of bottom trawling the abundance of hake and other demersal species on the West Coast of South Africa; to investigate the environmental and ecological interrelationships of hake and other demersal species; to investigate the possible recovery of the stocks of West Coast Sole; to study the biology of chondrichthyan species; to collect...

DOI: 10.15493/DEA.MIMS.17072024
Processed CTD discrete observations from the Anchovy Recruitment Survey on the Africana Voyage 092, May 1991

Here we present processed Conductivity-Temperature-Depth (CTD) discrete data from the upcast collected between 07 May and 24 May 1991, during voyage 092 on the 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.12072024
South Coast Demersal Biomass Survey on the Africana Voyage 082, May 1990

The South Coast Demersal Biomass Survey on the Africana Voyage 082 was conducted from 23 May - 13 June 1990. The objectives of the cruise were to survey by bottom-trawling the abundance of adult and recruiting hake, sole and other trawl target species; to make experimental bottom-trawls in deep water to establish the limit of hake distribution, and to collect deep-water specimens of fish and squid; to investigate the environment and ecological interrelationships of hake and other demersal...