Data

RV Investigator Voyage IN2019_V02 Triaxus (undulating CTD) Data

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Data Officer (AR), Hobart (Processor of) Dirita, Vito (Originator 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/e70ec9ae-11cb-47f0-8cd1-e2ab748133be&rft.title=RV Investigator Voyage IN2019_V02 Triaxus (undulating CTD) Data&rft.identifier=e70ec9ae-11cb-47f0-8cd1-e2ab748133be&rft.publisher=Australian Ocean Data Network&rft.description=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_V02, titled: SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania; Subantarctic Biogeochemistry of Carbon and Iron, Southern Ocean Time Series Site. The voyage took place from Hobart (TAS) to Hobart (TAS) between 14th March to 4th April, 2019. Data for 3 Triaxus deployments were acquired in CAP CTD acquisition software using the Seabird SBE911 CTD 20. The deployments were conducted with a standard tow speed of between 7 to 9 knots and wire out ranged from 1050 to 1210 m. During the first two deployments, we encountered issues with the Transmissometer and biofouling of sensors. On the second deployment a communications issue was also addressed. Sea-Bird-supplied calibration factors and CSIRO supplied calibrations were used to compute the pressures, conductivity and temperature data. The data were subjected to automated QC to remove spikes and out-of-range values. Dissolved oxygen sensors, Transmissometer and Cosine Photosynthetically Active Radiation (PAR) sensor were also installed on the auxiliary A/D channels of the CTD. In addition to the auxiliary channels, ECO Triplet, Nitrate, FIRe 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 secondary sensors to produce an along-track time-series dataset for each CAP scan files. These scan files were grouped into legs, each containing a section of the Triaxus deployment and in each leg, vertical casts were created with interpolated values from the along-track time-series binned dataset with a maximum interpolation distance of 3 casts. These generated the along-track and vertical cast section data products for each Triaxus deployment Additional information regarding this dataset may be contained in the Voyage Summary and the Data Processing Report.Progress Code: completedMaintenance and Update Frequency: asNeededStatement: Original field data. Data processing and quality control by the MNF Data Acquisition and Processing Group (DAP). Data archived by CSIRO O&A - IDC.&rft.creator=Anonymous&rft.date=2015&rft.coverage=westlimit=140; southlimit=-47; eastlimit=143; northlimit=-46; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=140; southlimit=-47; eastlimit=143; northlimit=-46; projection=WGS 84 (EPSG:4326)&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_rights=https://i.creativecommons.org/l/by/4.0/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Attribution 4.0&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&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: 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_rights=Attribution 4.0&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_subject=oceans&rft_subject=WATER PRESSURE&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN PRESSURE&rft_subject=TURBIDITY&rft_subject=OCEAN OPTICS&rft_subject=SALINITY&rft_subject=SALINITY/DENSITY&rft_subject=CHLOROPHYLL&rft_subject=OCEAN CHEMISTRY&rft_subject=WATER TEMPERATURE&rft_subject=OCEAN TEMPERATURE&rft_subject=PHOTOSYNTHETICALLY ACTIVE RADIATION&rft_subject=LIGHT TRANSMISSION&rft_subject=TERRESTRIAL HYDROSPHERE&rft_subject=WATER QUALITY/WATER CHEMISTRY&rft_subject=Fluorometers&rft_subject=Radiation Sensors&rft_subject=NOX monitor&rft_subject=Cell Counters&rft_subject=Nephelometers&rft_subject=Altimeters&rft_subject=CTDs (Conductivity-Temperature-Depth Profilers)&rft_subject=Undulating CTD - Triaxus&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS&rft_subject=Marine Features (Australia) | Derwent Estuary, TAS&rft_subject=Marine National Facility&rft_subject=Research Voyage: IN2019_V02&rft_subject=SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania&rft_subject=Vessel Data: undulating CTD&rft_subject=Ship: Investigator (RV)&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=CTD&rft_subject=research vessel&rft.type=dataset&rft.language=English Access the data
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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: 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 data (CTD, Dissolved Oxygen, Transmissometer, PAR, ECO Triplet, Nitrate, Fluorescence and LOPC) collected using the towed TRIAXUS platform on Investigator voyage IN2019_V02, titled: "SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania; Subantarctic Biogeochemistry of Carbon and Iron, Southern Ocean Time Series Site". The voyage took place from Hobart (TAS) to Hobart (TAS) between 14th March to 4th April, 2019.

Data for 3 Triaxus deployments were acquired in CAP CTD acquisition software using the Seabird SBE911 CTD 20. The deployments were conducted with a standard tow speed of between 7 to 9 knots and wire out ranged from 1050 to 1210 m.

During the first two deployments, we encountered issues with the Transmissometer and biofouling of sensors. On the second deployment a communications issue was also addressed.

Sea-Bird-supplied calibration factors and CSIRO supplied calibrations were used to compute the pressures, conductivity and temperature data. The data were subjected to automated QC to remove spikes and out-of-range values.

Dissolved oxygen sensors, Transmissometer and Cosine Photosynthetically Active Radiation (PAR) sensor were also installed on the auxiliary A/D channels of the CTD. In addition to the auxiliary channels, ECO Triplet, Nitrate, FIRe 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 secondary sensors to produce an along-track time-series dataset for each CAP scan files. These scan files were grouped into legs, each containing a section of the Triaxus deployment and in each leg, vertical casts were created with interpolated values from the along-track time-series binned dataset with a maximum interpolation distance of 3 casts. These generated the along-track and vertical cast section data products for each Triaxus deployment

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

Lineage

Progress Code: completed
Maintenance and Update Frequency: asNeeded
Statement: Original field data.
Data processing and quality control by the MNF Data Acquisition and Processing Group (DAP).
Data archived by CSIRO O&A - IDC.

Notes

Credit
Triaxus data processed by Francis Chui (CSIRO O&A).

Data time period: 2019-03-14 to 2019-04-04

This dataset is part of a larger collection

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143,-46 143,-47 140,-47 140,-46 143,-46

141.5,-46.5

text: westlimit=140; southlimit=-47; eastlimit=143; northlimit=-46; projection=WGS 84 (EPSG:4326)

Subjects
Altimeters | Chlorophyll | CTD | CTDs (Conductivity-Temperature-Depth Profilers) | Cell Counters | Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS | EARTH SCIENCE | Fluorometers | Global / Oceans | Southern Ocean | Light Transmission | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | NOX monitor | Nephelometers | OCEAN CHEMISTRY | OCEAN OPTICS | OCEAN PRESSURE | OCEAN TEMPERATURE | OCEANS | Photosynthetically Active Radiation | 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: IN2019_V02 | Salinity | SALINITY/DENSITY | SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania | Ship: Investigator (RV) | TERRESTRIAL HYDROSPHERE | Turbidity | Temperature of the water body | Undulating CTD - Triaxus | Vessel Data: undulating CTD | Water Pressure | WATER QUALITY/WATER CHEMISTRY | Water Temperature | oceans | research vessel |

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

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  • global : e70ec9ae-11cb-47f0-8cd1-e2ab748133be
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