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Title 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)
Authors

Louw, Gavin
Department of Forestry, Fisheries and the Environment; role: Marine Scientific Technician

van den Berg, Marcel
Department of Forestry, Fisheries and the Environment; role: Marine Scientific Technician

Lamont, Tarron
Department of Forestry, Fisheries and the Environment; role: Marine Scientist

Publisher Department of Forestry, Fisheries and the Environment (2024)
Contributors

Contact Person: van den Berg, Marcel
Department of Forestry, Fisheries and the Environment; role: Marine Scientific Technician; email: mvdberg@dffe.gov.za

Abstract 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 ADCP at location PJ (31.73°S; 29.51°E) on the continental shelf off Port St Johns, between December 2013 and September 2014.
Methods A bottom-mounted, upward-looking, 300 kHz RD Instruments Acoustic Doppler Current Profiler (ADCP) was configured with a bin size of 2 m and a blanking distance of 1.76 m, and deployed at location PJ (31.73°S; 29.51°E), on the shelf off Port St Johns. The instrument measured hourly bottom temperatures (85 m) between 03 December 2013 and 25 September 2014.
Data
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
Temporal extent 03 Dec 2013 – 25 Sep 2014
Geographic extent

Port St Johns, South Africa

Lat: -31.73
Lon: 29.51

Vertical extent Max: -85 m
Min: -85 m
Keywords Acoustic Doppler Current Profilers , ADCP , currents , EOV: Physics > Subsurface currents , EOV: Physics > Subsurface temperature , INDIAN OCEAN , moorings , temperature
Related resources
  • This digital object continues Short-term observations of hourly bottom temperatures on the continental shelf off Port St Johns, along the east coast of South Africa (July 2013 - December 2013) (10.15493/DEA.MIMS.35112024)
  • This digital object is new version of Raw Acoustic Doppler Current Profiler (ADCP) data for short-term observations of currents on the continental shelf off Port St Johns, along the east coast of South Africa (December 2013 - September 2014) (10.15493/DEA.MIMS.39112024)
  • This digital object is part of Short-term observations of currents and sub-surface temperatures on the continental shelf off Port St Johns, along the east coast of South Africa (10.15493/DEA.MIMS.29112024)