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SAIMOS - Biological and Flow Cytometry data collected from CTD stations in South Australia, in August 2018

Created 12/03/2025

Updated 12/03/2025

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Flow cytometry data was collected in August 2018, in waters off South Australia. The general purpose of the study is to be able to establish background knowledge on the ecosystem on the continental shelf of South Australia and the impact of upwelling/saline outflow events on microbial communities to ultimately develop a biogeochemical model of the region. Sampling was carried out during cruises conducted on board the RV Ngerin as part of the Southern Australian Integrated Marine System (SAIMOS). During each cruise, the physical, chemical and biological properties of the chlorophyll fluorescence maximum (DCM) layer were investigated. Flow cytometry data has been collected for picophytoplankton, bacteria and viruses. Six main stations have been sampled over the course of the study, five are located on the 100 m isobath, i.e. RS (35.508S, 136.278E), B2 (35.418S, 136.148E), B3 (35.258S, 136.048E), SAM2CP/B4 (35.168S, 135.418E) and SAM5CB/B5 (35.008S, 135.198E), and one from an offshore station (B1; 36.188S, 136.178E) located southwest of Kangaroo Island. Note that combining the distances between stations (14–25 nautical miles), the average component of the current velocity at middepth along the shelf (0.01 m s21) and the average speed of the vessel (i.e. 9 knots) indicate that different water masses were sampled at each station. Additional samples have on occasion been collected from the National Reference Station (NRS) at Kangaroo Island (35.832S, 136.447E) and the SA Spencer Gulf Mouth Mooring (SAM8SG, 35.25S, 136.690E), where the saline outflow occurs.

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Title SAIMOS - Biological and Flow Cytometry data collected from CTD stations in South Australia, in August 2018
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/9e8ee49e-bfa7-46b5-87d1-5dbfcb53c53b
Contact Point
CSIRO Oceans & Atmosphere
Paul.vanruth@sa.gov.au
Reference Period 21/08/2018 - 23/08/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[135.0, -35.9], [136.9, -35.9], [136.9, -34.9], [135.0, -34.9], [135.0, -35.9]]]}
Data Portal data.gov.au