Name: Raw underway Thermosalinograph (TSG) observations from RS Algoa Voyage 221, November - December 2015
License: https://creativecommons.org/licenses/by-sa/4.0/

DOI: 10.15493/DEA.MIMS.04042025

Title	Raw underway Thermosalinograph (TSG) observations from RS Algoa Voyage 221, November - December 2015
Project	South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA)
Authors	Louw, Gavin Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment; role: Scientific Research Technician; Jacobs, Leon Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment; role: Marine Scientific Technician; van den Berg, Marcel Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment; role: Marine Scientific Technician; Lamont, Tarron Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment; role: Marine Scientist;
Publisher	Department of Forestry, Fisheries and the Environment (2025)
Contributors	Contact Person: van den Berg, Marcel Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment; role: Marine Scientific Technician; email: mvandenberg.dea@gmail.com
Abstract	Here we present the 6-second resolution raw Thermosalinograph (TSG) data collected, between 30 November and 06 December 2015, during voyage 221 on the RS Algoa. 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 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). Please note that this dataset supersedes 10.15493/DEA.MIMS.24042025, as the data has undergone re-processing based on an updated Standard Operating Procedure, with improved quality control protocols.
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. The software was set to record data at 6 second intervals for the duration of the cruise, between 30 November and 06 December 2015. Data was collected in the southern part of the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa.
Data	Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) Cite 10.15493/DEA.MIMS.04042025 Style Terms of use These data are made available with the express understanding that any such use will properly acknowledge the originator(s) and publisher and cite the accession numbers and/or associated Digital Object Identifiers. Anyone wishing to use these data should properly cite and attribute the data providers listed as authors in the metadata provided with each dataset. It is expected that all the conditions of the data license will be strictly honoured. Use of any material herein should be properly cited using the dataset’s persistent identifiers such as accession numbers and DOIs. I agree to the terms of use
Temporal extent	30 Nov 2015 – 06 Dec 2015
Geographic extent	200 km Leaflet Tiles © Esri — Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012 Benguela Current Large Marine Ecosystem (BCLME); shelf region on the west coast of South Africa North: -32.0 South: -35.0 West: 14.0 East: 20.0
Vertical extent	Max: -5.0 m Min: -5.0 m
Keywords	conductivity, EOV: Physics > Sea surface salinity, EOV: Physics > Sea surface temperature, near-surface, salinity, SBE45 Thermosalinograph (TSG), SOUTH ATLANTIC OCEAN, SST, temperature, THERMOSALINOGRAPH
Related resources	This digital object is part of South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) Monitoring Line in the South-East Atlantic Ocean on Algoa Voyage 221, November 2015 (10.15493/dea.mims.26052235) This digital object is previous version of Processed underway Thermosalinograph (TSG) observations from RS Algoa Voyage 221, November 2015 - December 2015 (10.15493/DEA.MIMS.03042025) This digital object obsoletes Raw TSG data from the South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) Monitoring Line in the South-East Atlantic Ocean on Algoa Voyage 221, November 2015 (10.15493/DEA.MIMS.24042025)

Cite 10.15493/DEA.MIMS.04042025

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