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RV Investigator Voyage IN2019_V05 Triaxus (undulating CTD) Data

Created 12/10/2024

Updated 12/10/2024

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This record describes the data (CTD, Dissolved Oxygen, Transmissometer, PAR, ECO Triplet, Nitrate, Fluorescence and LOPC) collected using the towed TRIAXUS platform on Investigator voyage IN2019_V05, titled: "Integrated Marine Observing System: monitoring of East Australian Current property transports at 27 degrees South." The voyage took place between September 9 and September 29, 2019 departing from Brisbane (QLD) and arriving in Brisbane.

Data for 6 Triaxus deployments were acquired using Seabird’s Seasave acquisition software using the Seabird SBE911+ CTD 23. O&A Calibration lab supplied calibration factors were used to compute the pressure, preliminary conductivity, oxygen and temperature values. The data was subjected to automated QC to remove spikes and out-of-range values.

A Biospherical QCP2300-HP PAR, and a WetLabs C-STAR Transmissometer sensors were also installed on the auxiliary A/D channels of the CTD. In addition to the auxiliary channels an ECO Triplet and LOPC were mounted on the Triaxus as attached payloads.

The standard data product (1 decibar/10 second binned averaged) was produced using data from the primary sensors to produce an along-track time-series dataset for each data recording file. These files were grouped into sections containing each Triaxus deployment and in each deployment, vertical casts were created with interpolated values from the along-track time-series binned dataset with a maximum interpolation distance of 1 cast. These generated the along-track and vertical cast section data products for each Triaxus deployment.

All deployments except for 3 were along the mooring line transect. Throughout the voyage there were some issues with the Triaxus vehicle. Communication loss with the Triaxus ended Deployment 1 early, requiring re-termination. Deployment 5 also suffered communication loss, ending acquisition early. The Primary SBE43 Oxygen sensor was swapped out after deployment 3 due to increased noise in sensor readings.

The collected data were subsequently archived within the CSIRO Oceans and Atmosphere (O&A) Information and Data Centre (IDC) in Hobart.

Additional information regarding this dataset may be contained in the Voyage Summary and the Data Processing Report.

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Additional Info

Field Value
Title RV Investigator Voyage IN2019_V05 Triaxus (undulating CTD) Data
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/742285ef-933c-4185-81f1-471d7c6e3635
Contact Point
Atlantic Oceanographic and Meteorological Laboratory (AOML)
data-requests-hf@csiro.au
Reference Period 09/09/2019 - 29/09/2019
Geospatial Coverage {"type": "Polygon", "coordinates": [[[153.147, -28.25], [155.573, -28.25], [155.573, -26.723], [153.147, -26.723], [153.147, -28.25]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "RV Investigator Voyage IN2019_V05 Triaxus (undulating CTD) Data". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/rv-investigator-voyage-in2019_v05-triaxus-undulating-ctd-data

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No duplicate datasets found.