| Title | Processed CTD discrete observations from the West Coast Demersal Biomass Survey on the Africana Voyage 139, January 1997 |
|---|---|
| Authors |
Makhetha, Mbulelo Tutt, Gavin Lamont, Tarron |
| Publisher | Department of Forestry, Fisheries and the Environment (2026) |
| Contributors |
Contact Person: Tutt, Gavin |
| Abstract | Here we present processed Conductivity-Temperature-Depth (CTD) discrete data from the downcast collected between 9 January and 30 January 1997, during voyage 139 on the Africana, in the Benguela Current Large Marine Ecosystem (BCLME) 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. |
| Methods | Temperature was converted from the IPTS-68 scale to the ITS-90 scale, and salinity was computed from conductivity measurements on the 1978 Practical Salinity Scale, according to UNESCO (1991) algorithms. UNESCO (1993) quality control procedures were applied to the data, and obvious erroneous values resulting from problems including electronic spikes, data collection in air, inadequate flow through the conductivity cell, among others, have been removed. Any additional calibrations or corrections have been specified in each data file, where applicable and available. |
| Data | |
| Temporal extent | 09 Jan 1997 – 30 Jan 1997 |
| Geographic extent |
Benguela Current Large Marine Ecosystem
North: -28.5 |
| Keywords | CTD , Data status: completed , OCEAN PRESSURE , OCEAN TEMPERATURE , OCEANS , SOUTH ATLANTIC OCEAN , Subsurface temperature , textTable , West Coast Demersal Biomass Survey , WGS84 |
| Related resources |
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