Data

Conductivity, Temperature and Depth (CTD) data collected from the Denman Marine Voyage of the RSV Nuyina, 2025

Australian Antarctic Division

Herraiz-Borreguero, L. ; HERRAIZ-BORREGUERO, LAURA

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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=info:doi10.26179/tfw2-wp67&rft.title=Conductivity, Temperature and Depth (CTD) data collected from the Denman Marine Voyage of the RSV Nuyina, 2025&rft.identifier=10.26179/tfw2-wp67&rft.publisher=Australian Antarctic Data Centre&rft.description=These data were collected on voyage 3 of the RSV Nuyina in the 2024/2025 season. The voyage was colloquially known as the Denman Marine Voyage, as it operated in the vicinity of the Denman Glacier.Conductivity, Temperature and Depth (CTD) data were collected at various CTD stations throughout the voyage.Every time the CTD is ready to be deployed into the water and profile the water column, a folder is created under the name ‘cast_#’, where ‘#’ is a number. A number is assigned each time the CTD was turned on. There are a few instances when the CTD was turned on, but there was an issue, and the profiling did not occur. A number was still assigned and a cast folder created.Each ‘cast_#’ has several folders: docs, ladcp, proc and raw.- docs: ‘docs’ stands for ‘documents’. Here the logsheets with the information relevant to the CTD deployment, locations, time of cast, voyage name, depths at which Niskin bottles are fired, variables to be measured with the seawater collected at each bottle, and relevant information on toolbox, and rosette set-up are found.- ladcp: raw lower Acoustic doppler current profiler (ladcp) data- proc: ‘proc’ stands for ‘processed’ data. Raw data from SeaBird is shown in different formats and various snapshots of the data are also saved. o Hex: data format from Seabird911 o Other files from seabird: bl (information related to the firing of niskin bottles), and hdr and XMLCON (configuration files) o csv: same as above but in a format that can be read by text readers such as note app. Note that this is not the same as ‘processed data’ where the data goes through a series of steps and calibrations. o Cnv: this contains the data after the first data processing step according to Seasave software. It contains header with information on location, UTC time, and information on how the Seabird911 was configured, including the calibration coefficients of all the instruments.Progress Code: completedStatement: Three different SeaBird911 were used during the voyage. These were also deployed through a moonpool and side-door. The top of the water column will show differences within the data set, and the top 15 m is missing during moonpool operations. The quality of the gas measurements (dissolved oxygen, dissolved inorganic carbon, etc.) collected during moonpool deployments needs to be assessed. Users should assess the quality of that data with care. Please, review e-log on data quality. A report documenting the post-voyage data calibration and post-processing of the data will be updated with all the data quality assessment shortly. &rft.creator=Herraiz-Borreguero, L. &rft.creator=HERRAIZ-BORREGUERO, LAURA &rft.date=2025&rft.coverage=westlimit=93.6; southlimit=-66.2; eastlimit=142; northlimit=-47&rft.coverage=westlimit=93.6; southlimit=-66.2; eastlimit=142; northlimit=-47&rft_rights=These data are not yet publicly available for download.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4631_voyage_202425030_DMV_Oceanography when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=oceans&rft_subject=EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY&rft_subject=EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY > CONDUCTIVITY PROFILES&rft_subject=EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY&rft_subject=EARTH SCIENCE > OCEANS > SALINITY/DENSITY > OCEAN SALINITY > OCEAN SALINITY PROFILES&rft_subject=EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE&rft_subject=EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > OCEAN TEMPERATURE PROFILES&rft_subject=EARTH SCIENCE > OCEANS > OCEAN OPTICS > PHOTOSYNTHETICALLY ACTIVE RADIATION&rft_subject=EARTH SCIENCE > OCEANS > OCEAN OPTICS > FLUORESCENCE&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN CURRENTS > CURRENT PROFILES&rft_subject=DENMAN&rft_subject=DMV&rft_subject=OCEANOGRAPHY&rft_subject=CTD > Conductivity, Temperature, Depth&rft_subject=LADCP > Lowered Acoustic Doppler Current Profiler&rft_subject=XBT > Expendable Bathythermographs&rft_subject=CURRENT METERS&rft_subject=R/V Nuyina > R/V Nuyina&rft_subject=AMD/AU&rft_subject=AMD&rft_subject=CEOS&rft_subject=OCEAN > SOUTHERN OCEAN > EAST ANTARCTIC CONTINENTAL SHELF&rft_subject=CONTINENT > ANTARCTICA > DENMAN GLACIER&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data

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Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

These data are not yet publicly available for download.

This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4631_voyage_202425030_DMV_Oceanography when using these data.

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Full description

These data were collected on voyage 3 of the RSV Nuyina in the 2024/2025 season. The voyage was colloquially known as the "Denman Marine Voyage", as it operated in the vicinity of the Denman Glacier.

Conductivity, Temperature and Depth (CTD) data were collected at various CTD stations throughout the voyage.

Every time the CTD is ready to be deployed into the water and profile the water column, a folder is created under the name ‘cast_#’, where ‘#’ is a number. A number is assigned each time the CTD was turned on. There are a few instances when the CTD was turned on, but there was an issue, and the profiling did not occur. A number was still assigned and a cast folder created.
Each ‘cast_#’ has several folders: docs, ladcp, proc and raw.
-    docs: ‘docs’ stands for ‘documents’. Here the logsheets with the information relevant to the CTD deployment, locations, time of cast, voyage name, depths at which Niskin bottles are fired, variables to be measured with the seawater collected at each bottle, and relevant information on toolbox, and rosette set-up are found.
-    ladcp: raw lower Acoustic doppler current profiler (ladcp) data
-    proc: ‘proc’ stands for ‘processed’ data. Raw data from SeaBird is shown in different formats and various snapshots of the data are also saved.
o    Hex: data format from Seabird911
o    Other files from seabird: bl (information related to the firing of niskin bottles), and hdr and XMLCON (configuration files)
o    csv: same as above but in a format that can be read by text readers such as note app. Note that this is not the same as ‘processed data’ where the data goes through a series of steps and calibrations.
o    Cnv: this contains the data after the first data processing step according to Seasave software. It contains header with information on location, UTC time, and information on how the Seabird911 was configured, including the calibration coefficients of all the instruments.

Lineage

Progress Code: completed

Statement: Three different SeaBird911 were used during the voyage. These were also deployed through a moonpool and side-door. The top of the water column will show differences within the data set, and the top 15 m is missing during moonpool operations. The quality of the gas measurements (dissolved oxygen, dissolved inorganic carbon, etc.) collected during moonpool deployments needs to be assessed. Users should assess the quality of that data with care. Please, review e-log on data quality. A report documenting the post-voyage data calibration and post-processing of the data will be updated with all the data quality assessment shortly.

Data time period: 2025-03-02 to 2025-04-24