Title | Raw underway Thermosalinograph (TSG) observations from the Integrated Ecosystem Programme: Southern Benguela (IEP:SB) on the Algoa Voyage 259, May 2019 |
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Project | Integrated Ecosystem Programme: Southern Benguela (IEP: SB) |
Authors |
Darrell Anders Leon Jacobs Marcel van den Berg Tarron Lamont |
Publisher | Department of Forestry, Fisheries and the Environment (2023) |
Contributors |
Contact Person: Leon Jacobs |
Abstract | Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected between 20 May 2019 and 27 May 2019 during the Integrated Ecosystem Programme: Southern Benguela (IEP:SB) on the RS Algoa Voyage 259. 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 continuously interfaced with navigational information. A temperature sensor close to the intake provides temperature measurements of the incoming water (T1). The temperature of the water inside the conductivity cell (T2) is used to accurately compute salinity (S) from the conductivity measurements (C). The programme is a multi-disciplinary, multi-institutional platform undertaking relevant science in the Southern Benguela; it also functions as a platform for collaboration and learning. All projects aim to develop an ecosystem indicator that can be used to effectively monitor and understand the Southern Benguela. These include physical, chemical, planktonic, microbial, seabird and benthic ecosystem indicators, used for ecosystem-based management. |
Methods | The SeaBird SBE45 Thermosalinograph (TSG) is used on the RS Algoa for the collection of underway near-surface temperature and conductivity measurements. The underway seawater is obtained from a depth of 5m below the surface and pumped through the TSG. Data is collected using the most recent SeaBird (SBE) SeaSave software and processed using the most recent SBE data processing software. The software was set to record data at 6 second intervals for the duration of the cruise, between 20 May and 27 May 2019. Data was collected in the southern part of the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. |
Data | |
Temporal extent | 20 May 2019 – 27 May 2019 |
Geographic extent |
Benguela Current Large Marine Ecosystem (BLMCE)
North: -29.0 |
Vertical extent |
Max: -5.0 m Min: -5.0 m |
Keywords | Algoa, Algoa 259, SOUTH ATLANTIC OCEAN, THERMOSALINOGRAPH, TSG |
Related resources |
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