Data

RV Investigator Voyage IN2024_V01 CTD Data

Australian Ocean Data Network
CSIRO (Associated with) CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) CSIRO/Oceans and Atmosphere (Associated with) Data Officer (AR), Hobart (Processor of)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/eb348f53-514c-4edd-9e54-61bbcb86ed83&rft.title=RV Investigator Voyage IN2024_V01 CTD Data&rft.identifier=63a144c5-1e76-47a8-a329-e4e01cb69fcf&rft.publisher=Australian Ocean Data Network&rft.description=This record describes the Conductivity-Temperature-Depth (CTD) data collected from the Marine National Facility RV Investigator voyage IN2024_V01, titled: Multidisciplinary Investigations of the Southern Ocean (MISO): Linking Physics, Biochemistry, Plankton, Aerosols, Clouds, And Climate. The voyage took place between January 2 and March 5, 2024 departing from Hobart (TAS) and returning to Freemantle (WA)Data for 103 CTD deployments were acquired using the Sea-Bird SBE9+V2 CTD unit #24 (S/N 1354), fitted with 36 twelve-litre bottles on the rosette sampler. Sea-Bird-supplied calibration factors were used to compute the pressures and preliminary conductivity values. CSIRO-supplied calibrations were applied to the temperature data. The data were subjected to automated QC to remove spikes and out-of-range values. The final conductivity calibration was based on a single deployment grouping. The final calibration from the primary sensor had a standard deviation (SD) of 0.0012679 PSU, within our target of ‘better than 0.002 PSU’. The standard product of 1-decibar binned averages were produced using data from the primary sensors.The dissolved oxygen data (primary) calibration fit had a SD of 0.94146 (Casts: 1-52) and 0.94773 (Casts: 53-103) μM. The agreement between the CTD and bottle data was good. Additional sensors include: Altimeter (Tritech PA500), Transmissometer (Wetlabs C-Star ), CDOM,Chlorophyll-a, Scattering (Wetlabs ECO FLCDRTD) were installed on the auxiliary A/D channels of the CTD.The collected data were subsequently processed (quality-controlled), and archived by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC). Additional information regarding this dataset may be contained in the Voyage Summary and the CTD Data Processing Report.Maintenance and Update Frequency: asNeededStatement: Original field data. Water samples were collected using a Sea-Bird SBE32, 12-litre 36-bottle rosette sampler which was fitted to the frame. The raw CTD data were collected in SBE Seasave version 7.26.7.110, converted to scientific units using SBE Data Processing version 7.26.7.129 and written to NetCDF files with CNV_to_Scan (cnv_to_scan_ui2.py, from the CSIRO MNF Data Acquisition and Processing “marinetech” git repository) for processing using the MATLAB-based CapPro software. The CapPro software version 2.11 was used to apply automated QC and preliminary processing to the data. This included spike removal, identification of water entry and exit times, conductivity sensor lag corrections, conductivity cell thermal inertia corrections, and the determination of the pressure offsets. It also loaded the hydrology data and computed the matching CTD sample burst data (i.e., averaged sensor data) for water-sample-to-sensor data comparisons. The automaticallydetermined pressure offsets and in-water points were inspected and verified during data processing. The bottle sample data were used to compute final conductivity and dissolved oxygen calibrations. These were applied to the data, after which files of binned 1-decibar averaged data were produced.&rft.creator=Anonymous&rft.date=2024&rft.coverage=westlimit=113.246; southlimit=-67.003; eastlimit=151.418; northlimit=-31.932; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=113.246; southlimit=-67.003; eastlimit=151.418; northlimit=-31.932; projection=WGS 84 (EPSG:4326)&rft_rights=Attribution 4.0 https://creativecommons.org/licenses/by/4.0/&rft_rights=&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353) in undertaking this research. The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility.&rft_subject=oceans&rft_subject=Earth Science | Oceans | Salinity/Density | Salinity&rft_subject=Earth Science | Terrestrial Hydrosphere | Water Quality/Water Chemistry | Light Transmission&rft_subject=Earth Science | Oceans | Ocean Chemistry | Chlorophyll&rft_subject=Earth Science | Oceans | Ocean Optics | Turbidity&rft_subject=Earth Science | Oceans | Ocean Pressure | Water Pressure&rft_subject=Earth Science | Oceans | Ocean Temperature | Water Temperature&rft_subject=Earth Science | Oceans | Ocean Optics | Photosynthetically Active Radiation&rft_subject=Earth Science | Oceans | Ocean Optics | Fluorescence&rft_subject=Earth Science | Oceans | Ocean Chemistry | Oxygen&rft_subject=Earth Science | Oceans | Ocean Chemistry | Nitrate&rft_subject=Earth Science | Oceans | Ocean Chemistry | Organic Matter&rft_subject=Marine National Facility&rft_subject=Research Voyage: IN2024_V01&rft_subject=Vessel Data: CTD&rft_subject=Ship: Investigator (RV)&rft_subject=Marine Planning Regions (Australia) | Australian Antarctic&rft_subject=Global / Oceans | East Indian Ocean&rft_subject=Coastal Waters (Australia) | Tasmania Coast, TAS&rft_subject=Coastal Waters (Australia) | West Australia Coast South, WA&rft_subject=Marine Features (Australia) | Derwent Estuary, TAS&rft_subject=Global / Oceans | Southern Ocean&rft_subject=MNF Research voyage (ShortNameSuffix _vnn)&rft_subject=Fluorometers&rft_subject=NOX monitor&rft_subject=Radiation Sensors&rft_subject=CTDs (Conductivity-Temperature-Depth Profilers)&rft_subject=Altimeters&rft_subject=Nephelometers&rft_subject=Practical salinity of the water body&rft_subject=Temperature of the water body&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water only&rft_subject=research vessel&rft_subject=CTD&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0
https://creativecommons.org/licenses/by/4.0/

Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353) in undertaking this research. The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility.

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This record describes the Conductivity-Temperature-Depth (CTD) data collected from the Marine National Facility RV Investigator voyage IN2024_V01, titled: "Multidisciplinary Investigations of the Southern Ocean (MISO): Linking Physics, Biochemistry, Plankton, Aerosols, Clouds, And Climate." The voyage took place between January 2 and March 5, 2024 departing from Hobart (TAS) and returning to Freemantle (WA)

Data for 103 CTD deployments were acquired using the Sea-Bird SBE9+V2 CTD unit #24 (S/N 1354), fitted with 36 twelve-litre bottles on the rosette sampler. Sea-Bird-supplied calibration factors were used to compute the pressures and preliminary conductivity values. CSIRO-supplied calibrations were applied to the temperature data. The data were subjected to automated QC to remove spikes and out-of-range values.

The final conductivity calibration was based on a single deployment grouping. The final calibration from the primary sensor had a standard deviation (SD) of 0.0012679 PSU, within our target of ‘better than 0.002 PSU’. The standard product of 1-decibar binned averages were produced using data from the primary sensors.

The dissolved oxygen data (primary) calibration fit had a SD of 0.94146 (Casts: 1-52) and 0.94773 (Casts: 53-103) μM. The agreement between the CTD and bottle data was good. Additional sensors include: Altimeter (Tritech PA500), Transmissometer (Wetlabs C-Star ), CDOM,
Chlorophyll-a, Scattering (Wetlabs ECO FLCDRTD) were installed on the auxiliary A/D channels of the CTD.

The collected data were subsequently processed (quality-controlled), and archived by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC). Additional information regarding this dataset may be contained in the Voyage Summary and the CTD Data Processing Report.

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Original field data. Water samples were collected using a Sea-Bird SBE32, 12-litre 36-bottle rosette sampler which was fitted to the frame. The raw CTD data were collected in SBE Seasave version 7.26.7.110, converted to scientific units using SBE Data Processing version 7.26.7.129 and written to NetCDF files with CNV_to_Scan (cnv_to_scan_ui2.py, from the CSIRO MNF Data Acquisition and Processing “marinetech” git repository) for processing using the MATLAB-based CapPro software. The CapPro software version 2.11 was used to apply automated QC and preliminary processing to the data. This included spike removal, identification of water entry and exit times, conductivity sensor lag corrections, conductivity cell thermal inertia corrections, and the determination of the pressure offsets. It also loaded the hydrology data and computed the matching CTD sample burst data (i.e., averaged sensor data) for water-sample-to-sensor data comparisons. The automaticallydetermined pressure offsets and in-water points were inspected and verified during data processing. The bottle sample data were used to compute final conductivity and dissolved oxygen calibrations. These were applied to the data, after which files of binned 1-decibar averaged data were produced.

Notes

Credit
CTD data processed by Vito Dirita (CSIRO NCMI).
Credit
The MNF must be acknowledged in all outputs derived from Data and/or Samples collected by, or with support from, the MNF. Acknowledge the MNF in outputs with the statement: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” Acknowledgment and citations should be in all forms of publication including presentations (where the acknowledgement should be on the closing slide), journals, books, reports and related research outputs.

Data time period: 2024-01-02 to 2024-03-05

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151.418,-31.932 151.418,-67.003 113.246,-67.003 113.246,-31.932 151.418,-31.932

132.332,-49.4675

text: westlimit=113.246; southlimit=-67.003; eastlimit=151.418; northlimit=-31.932; projection=WGS 84 (EPSG:4326)

Subjects
Altimeters | CTD | CTDs (Conductivity-Temperature-Depth Profilers) | Coastal Waters (Australia) | Tasmania Coast, TAS | Coastal Waters (Australia) | West Australia Coast South, WA | Earth Science | Oceans | Ocean Chemistry | Chlorophyll | Earth Science | Oceans | Ocean Chemistry | Nitrate | Earth Science | Oceans | Ocean Chemistry | Organic Matter | Earth Science | Oceans | Ocean Chemistry | Oxygen | Earth Science | Oceans | Ocean Optics | Fluorescence | Earth Science | Oceans | Ocean Optics | Photosynthetically Active Radiation | Earth Science | Oceans | Ocean Optics | Turbidity | Earth Science | Oceans | Ocean Pressure | Water Pressure | Earth Science | Oceans | Ocean Temperature | Water Temperature | Earth Science | Oceans | Salinity/Density | Salinity | Earth Science | Terrestrial Hydrosphere | Water Quality/Water Chemistry | Light Transmission | Fluorometers | Global / Oceans | East Indian Ocean | Global / Oceans | Southern Ocean | MNF Research voyage (ShortNameSuffix _vnn) | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | Marine Planning Regions (Australia) | Australian Antarctic | NOX monitor | Nephelometers | Practical salinity of the water body | Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it | Pressure (measured variable) in the water body exerted by overlying sea water only | Radiation Sensors | Research Voyage: IN2024_V01 | Ship: Investigator (RV) | Temperature of the water body | Vessel Data: CTD | oceans | research vessel |

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Other Information
Link to Data License / Attribution statements (Data Licensing)

url : https://creativecommons.org/licenses/by/4.0/

Download the Processing Report (PDF format) (Processing Report (PDF))

url : https://www.marine.csiro.au/data/reporting/get_file.cfm?eov_pub_id=3396

Link to Data available for this voyage via the Data Trawler (Data Trawler)

url : http://www.marine.csiro.au/data/trawler/dataset.cfm?survey=IN2024_V01&data_type=ctd

Download the 1dbar Binned CTD Data (NetCDF format) (CTD Data (NC))

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=5504

Download the 1dbar binned CTD Data (CSV format) (CTD Data (CSV))

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=5506

Download the 1dbar Binned CTD Data (Matlab format) (CTD Data (MAT))

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=5505

Download the CTD Plots (PNG format) (CTD Plots (PNG))

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=5503

Download the CTD scan Files (netcdf)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=5502

Link to RV Investigator Survey Information, including voyage plans and summaries (Investigator Survey)

url : https://www.marine.csiro.au/data/trawler/survey_details.cfm?survey=IN2024_V01

Link to the Marine National Facility Homepage (Marine National Facility)

url : https://mnf.csiro.au/

Identifiers
  • global : 63a144c5-1e76-47a8-a329-e4e01cb69fcf