African Coelacanth Ecosystem Programme (ACEP) (9)
Agulhas Bank Boundary Processes (2)
Agulhas System Climate Array (ASCA) (8)
Anchovy Recruitment Survey (20)
Benguela Current Sources and Transport (BEST 1) (2)
Current Meter and Sediment Trap Recovery Shelf Chemistry (2)
Gough Island Relief (23)
Horse Mackerel Hydroacoustic Pilot Survey (2)
Horse Mackerel Hydroacoustic Survey (2)
Integrated Ecosystem Programme: Southern Benguela (IEP: SB) (143)
Marion Island Relief Voyage (63)
Pelagic Pre-Recruit Mesopelagic Biomass Survey (4)
Physical-Chemical Oceanography (2)
Port St Johns CTD and Bathymetry Survey (1)
South African National Antarctic Expedition (SANAE) (32)
South Atlantic Meridional Overturning Circulation (SAMOC-SA) (6)
South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) (24)
South Coast Demersal Biomass Survey (15)
South Coast Moorings and Monitoring Lines Cruise (23)
Southern Ocean Seasonal Cycle Experiment (SOSCEx) (11)
Walters Shoal (4)
West Coast Physical Oceanography (10)
Winter Cruise (7)
ADCP (1)
AWS (3)
CO2 ANALYZERS (1)
CTD (272)
ECHO SOUNDERS (1)
NISKIN BOTTLES (33)
SADCP (41)
SDS (1)
THERMOSALINOGRAPH (130)
XBT (36)
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) (776) ✕
Raw CTD continuous observations from the West Coast Hake Biomass on the Africana Voyage 028, January 1985
This is raw Conductivity-Temperature-Depth (CTD) continuous data from the West Coast Hake Biomass on the Africana Voyage 028, collected between 7 and 30 January 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 and the environment of hake and other demersal species; to compare...
Processed CTD continuous observations from the South Coast Hake Biomass Survey on the Africana Voyage 048, September 1986
Here we present processed downcast 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...
West Coast Hake Biomass Survey on the Africana Voyage 075, July 1989
The West Coast Hake Biomass Survey on the Africana Voyage 075 was conducted from 14 July - 17 August 1989. The objectives of the cruise were to survey by means of trawling the abundance of adult and recruiting hake in South African waters; to investigate the diurnal cycle of hake and other demersal species; to investigate the environmental and ecological interrelationships of hake and demersal species; to make some experimental trawls in deep water to determine hake distribution limits and...
West Coast Hake Biomass on the Africana Voyage 022, July 1984
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 species; to carry out acoustic target identification of mesopelagic species using RMT-8 nets and to study the community interactions of fish species in the area.
Anchovy Spawning Stock Survey on the Africana Voyage 038, November 1985
The objectives of this cruise were to assess the size of the anchovy spawning stock in Cape waters by acoustic survey and estimation of egg production; describe the distribution and behaviour of other pelagic and mesopelagic fish of commercial importance; describe anchovy spawning patterns and estimate the precision of the parameters used in assessing spawning stock size by the egg production method (sex ratio, spawning fraction, fecundity, mean weight); and to investigate relationships...
Shoal Ecology on the Africana Voyage 018, April 1984
The objectives of this cruise were to obtain a broad picture of pelagic fish shoal distribution in relation to the prevailing mesoscale environmental features; to investigate intensively the diel shoal behaviour pattern of anchovy, pilchard and round herring, with particular reference to their feeding behaviour in relation to food supply. If time permitted the plan was to carry the investigation out in two areas of contrasting environmental features ie St Helena Bay and off Saldanha Bay....
Coastal Current Meter Programme on the Africana Voyage 017, March 1984
The objectives of this cruise were to retrieve ten moorings, eight on the shelf and two on the shelf break between Cape Columbine and Port Nolloth; to deploy three moorings in the coastal zone between Cape Columbine and Cape Town; to obtain Conductivity-Temperature-Depth (CTD) profiles and water samples on a transect bearing 270° from Cape Columbine; to profile currents, make repeated CTD casts and record atmospheric conditions in St Helena Bay as part of a vertical mixing study,...
West Coast Physical Oceanography on the Africana Voyage 025, October 1984
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 which is thought to be a driving mechanism for the preponderance of southward flow observed on the shelf by placing a current meter in 3000m of water; recovering one current meter in the Cape Canyon and deploying two current meter moorings and a thermistor string near Cape Columbine and...
West Coast Physical Oceanography on the Africana Voyage 019, May 1984
Africana Cruise 019 lasted from May 7 to May 17th 1984 and undertook several scientific tasks. The first part of the cruise was mostly devoted to bathymetric and geophysical (continuous reflection seismic) surveys in the region of the Cape Canyon of SW Cape. These surveys were the responsibility of personnel from the Marine Geoscience Unit of the University of Cape Town, and were done as part of a collaborative project with officers of the Sea Fisheries Research Institute who have an...
Spanish-Namibian Environmental Cruise (SNEC) on the Africana Voyage 035, September 1985
The objective of this cruise was to investigate the hydrology and plankton of the coastal waters off Nambia between 20 S and 26 S.
Plankton Frontal Zone on the Africana Voyage 027, December 1984
The Plankton Frontal Zone cruise was carried out on the Africana Voyage 027 from 6 to 13 December 1984.
Processed CTD continuous observations from the Algoa Voyage 234, January 2017
SeaBird SBE911 plus Conductivity-Temperature-Depth (CTD) instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises from 2000. Here we present processed downcast CTD continuous data collected, between 13 January and 11 February 2017, during Voyage 234 on the RV Algoa, in the Agulhas Current Large Marine Ecosystem (ACLME) on the south coast of South Africa.
West Coast Physical Oceanography on the Africana Voyage 016, February 1984
The objectives of this cruise were to conduct torsional vibration trials to meet the requirements of Lloyds, to retrieve and deploy two thermistor chain/current meter moorings and to conduct Conductivity-Temperature-Depth (CTD) profiling in the area of operations.
Processed CTD continuous observations from the Algoa Voyage 241, July 2017
SeaBird SBE911 plus Conductivity-Temperature-Depth (CTD) instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises from 2000. Here we present processed downcast CTD continuous data collected, between 12 July and 14 August 2017, during voyage 241 on the RV Algoa, in the Agulhas Current Large Marine Ecosystem (ACLME) on the south coast of South Africa.
Raw CTD continuous observations from the Plankton Frontal Zone on the Africana Voyage 027, December 1984
This is raw 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.
St Helena Bay Monitoring Line (SHBML) on the Algoa Voyage 088, December 2000
This St Helena Bay Monitoring Line (SHBML) cruise was conducted on the Algoa Voyage 088 in December 2000. This is a long-term monitoring line conducted off the coast of Elands/St Helena Bay on the west coast of South Africa. SHBML started in 2000 as a BENEFIT-driven project on "shipboard monitoring" which linked with similar lines run in Namibia and Angola. The aims were to obtain seasonal and interannual information on the hydrology and productivity of the area. It was incorporated under...
St Helena Bay Monitoring Line (SHBML) on the Algoa Voyage 089, January 2001
This St Helena Bay Monitoring Line (SHBML) cruise was conducted on the Algoa Voyage 089 in January 2001. This is a long-term monitoring line conducted off the coast of Elands/St Helena Bay on the west coast of South Africa. SHBML started in 2000 as a BENEFIT-driven project on "shipboard monitoring" which linked with similar lines run in Namibia and Angola. The aims were to obtain seasonal and interannual information on the hydrology and productivity of the area. It was incorporated under the...
Raw underway Thermosalinograph (TSG) observations from the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) on Algoa Voyage 265, September 2019
Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 30 September 2019 and 16 October 2019 during the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) cruise on the RS Algoa Voyage 265. A SeaBird SBE45 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...
Raw underway Thermosalinograph (TSG) observations from the SEAmester and Agulhas System Climate Array (ASCA) Cruise on SA Agulhas II Voyage 058, June 2023
Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 20 June and 29 June 2023 during the SEAmester and Agulhas System Climate Array (ASCA) Cruise on the SA Agulhas II Voyage 058. A SeaBird SBE45 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...
Processed underway Thermosalinograph (TSG) observations from the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) on Algoa Voyage 265, September 2019
Here we present the 6-second resolution processed Thermosalinograph (TSG) data collected between 30 September 2019 and 16 October 2019 during the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) cruise on the RS Algoa Voyage 265. A SeaBird SBE45 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...
Transkei Shelf Oceanography Cruise on the Algoa Voyage 241, July 2017
The Transkei Shelf Oceanography Cruise was conducted on the Algoa V241, 12 July to 11 August, 2017. The area covered includes the Transkei shelf and continental slope (20m to 1000m), of the Eastern Cape, between Cape St Francis and Port Shepstone in the South-West Indian Ocean.Our knowledge of the distribution of offshore benthic biodiversity on the Transkei shelf is very limited. The region between Algoa Bay and Port Edward is not only important for understanding the functioning of existing...
African Coelacanth Ecosystem Programme (ACEP) from Algoa Voyage 176, January 2010
The Algoa sailed from Durban on 22 January 2010 to conduct a hydrographic survey of the Natal Bight as part of the African Coelacanth Ecosystem Programme (ACEP) II. A total of 16 shore-normal transects were occupied between Scottburgh and St. Lucia.The sampling locations are indicated in Figure 1 of the Cruise Report. The aim of the synoptic survey was to determine the nutrient sources of the Natal Bight ecosystem, and to characterise the focus sites across the Bight. Unfortunately, due to...
Processed underway Thermosalinograph (TSG) observations from the Integrated Ecosystem Programme: Southern Benguela (IEP: SB) on the Algoa Voyage 255, November 2018
Here we present the 6-second resolution processed Thermosalinograph (TSG) data collected between 20 November and 28 November 2018 during the Integrated Ecosystem Programme: Southern Benguela (IEP:SB) on the RS Algoa Voyage 255. A SeaBird SBE45 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...
Raw underway Thermosalinograph (TSG) observations from the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) Monitoring Line cruise on the Algoa Voyage 253, October 2018
Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 01 October and 16 October 2018 during the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) Monitoring Line cruise on the RS Algoa Voyage 253. A SeaBird SBE45 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...
Raw drop camera image data to investigate benthic invertebrate fauna and associated habitats of the Southern Benguela Ecoregion, Algoa Voyage 263, August 2019
This is raw drop camera image data from the Southern Benguela Cruise, which was conducted in the Southern Benguela Ecoregion on the Algoa Voyage 263, August 2019. This study focuses on providing a better understanding of the benthic invertebrate communities and associated habitats of three priority areas within the southernmost portion of the Southern Benguela Ecoregion. This includes Robben Island, the Table Mountain National Park Marine Protected Area (TMNP MPA) and the newly proposed Seas...