Data

ROV exploration of deep-water coral habitats of southwest Australian submarine canyons – water column chemistry data, 2020

Australian Ocean Data Network
Trotter, Julie A. ; Schmidt Ocean Institute (SOI)
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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=http://catalogue-aodn.prod.aodn.org.au/geonetwork/srv/eng/search?uuid=e8769cd6-8693-4252-8a5e-1ab2a25d4e4e&rft.title=ROV exploration of deep-water coral habitats of southwest Australian submarine canyons – water column chemistry data, 2020&rft.identifier=http://catalogue-aodn.prod.aodn.org.au/geonetwork/srv/eng/search?uuid=e8769cd6-8693-4252-8a5e-1ab2a25d4e4e&rft.description=Cruise FK200126 was the first ROV exploration of the Bremer canyon systems, Mount Gabi seamount, and nearby continental margins located in the all-important yet poorly studied Southern Ocean offshore SW Australia, and revisited the Perth Canyon in the SE Indian Ocean which represents only the second ROV exploration of that area. The cruise focused on the collection of deep-water corals for post-cruise geochemical studies to reconstruct long-term environmental changes in this region, together with comprehensive characterisation of their present-day environments including physical and chemical oceanography, canyon geomorphology and geology, bathymetric mapping, faunal descriptions, and the first high resolution video imaging of these previously unexplored deep-water habitats. The NetCDF file contains CTD data and seawater carbonate parameters measured from seawater samples collected on board the SOI Falkor between 2020-01-26T09:18:56 and 2020-02-20T21:32:29, by 12-L Niskin bottles. Temperature and Salinity were measured using a SBE-911plus CTD, Dissolved Oxygen using a SBE-43 DO sensor and Fluorescence by a Wet Labs ECO-FLNTU; Total Alkalinity was measured using a Mettler-Toledo T50 with Rondolino autosampler; DIC was measured using an Apollo SciTech Dissolved Inorganic Carbon analyser; pH, aragonite and calcite saturation states were calculated using version 1.1 of CO2SYS for MATLAB’.Statement: Using CTD and Niskin samplers, seawater parameters (temperature, salinity, O2, nutrients, and carbonate system) were collected to define the physico–chemical dynamics controlling the regional ecology, food sources, skeletal growth rates, and to provide essential calibrations for our geochemical proxy records. On-board measurements of carbonate parameters (alkalinity, DIC, pH etc) were analyzed onboard Falkor, utilising existing mobile instrumentation (spectrophotometry, DIC analyser) proivded by UWA.&rft.creator=Trotter, Julie A. &rft.creator=Schmidt Ocean Institute (SOI) &rft.date=2021&rft.coverage=westlimit=114.4165; southlimit=-35.5968; eastlimit=120.3195; northlimit=-31.7657&rft.coverage=westlimit=114.4165; southlimit=-35.5968; eastlimit=120.3195; northlimit=-31.7657&rft.coverage=uplimit=4811; downlimit=2&rft.coverage=uplimit=4811; downlimit=2&rft_rights= http://creativecommons.org/licenses/by/4.0/&rft_rights=http://i.creativecommons.org/l/by/4.0/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution 4.0 International License&rft_rights=http://creativecommons.org/international/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&rft_rights=This is the bibliographic reference for the dataset and this metadata record that describes it: Trotter, Julie A. & Schmidt Ocean Institute. ROV exploration of deep-water coral habitats of southwest Australian submarine canyons – water column chemistry data, 2020. Australian Ocean Data Network, https://catalogue.aodn.org.au/geonetwork/srv/en/metadata.show?uuid=e8769cd6-8693-4252-8a5e-1ab2a25d4e4e (2021).&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0&rft_subject=oceans&rft_subject=sea water pH&rft_subject=Aragonite Saturation State&rft_subject=Calcite Saturation State&rft_subject=Sea Water Neutral Density&rft_subject=SALINITY/DENSITY&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=COASTAL PROCESSES&rft_subject=MARINE ENVIRONMENT MONITORING&rft_subject=FLUORESCENCE&rft_subject=OCEAN OPTICS&rft_subject=ALKALINITY&rft_subject=OCEAN CHEMISTRY&rft_subject=INORGANIC CARBON&rft_subject=WATER TEMPERATURE&rft_subject=OCEAN TEMPERATURE&rft_subject=OXYGEN&rft_subject=Falkor&rft_subject=Temperature of the water body&rft_subject=Practical salinity of the water body&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water only&rft_subject=Concentration of oxygen {O2} per unit volume of the water body&rft_subject=Fluorescence of the water body&rft_subject=Concentration of carbon (total inorganic) per unit mass of the water body&rft_subject=pH (total scale) of the water body&rft_subject=Saturation state of aragonite in the water body&rft_subject=Saturation state of calcite in the water body&rft_subject=CTD Rosette&rft_subject=Sea-Bird SBE 43 Dissolved Oxygen sensor&rft_subject=WETLabs ECO-FLNTU combined fluorometer and turbidity sensor&rft.type=dataset&rft.language=English Access the data
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This is the bibliographic reference for the dataset and this metadata record that describes it: Trotter, Julie A. & Schmidt Ocean Institute. ROV exploration of deep-water coral habitats of southwest Australian submarine canyons – water column chemistry data, 2020. Australian Ocean Data Network, https://catalogue.aodn.org.au/geonetwork/srv/en/metadata.show?uuid=e8769cd6-8693-4252-8a5e-1ab2a25d4e4e (2021).

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Brief description

Cruise FK200126 was the first ROV exploration of the Bremer canyon systems, Mount Gabi seamount, and nearby continental margins located in the all-important yet poorly studied Southern Ocean offshore SW Australia, and revisited the Perth Canyon in the SE Indian Ocean which represents only the second ROV exploration of that area. The cruise focused on the collection of deep-water corals for post-cruise geochemical studies to reconstruct long-term environmental changes in this region, together with comprehensive characterisation of their present-day environments including physical and chemical oceanography, canyon geomorphology and geology, bathymetric mapping, faunal descriptions, and the first high resolution video imaging of these previously unexplored deep-water habitats.

The NetCDF file contains CTD data and seawater carbonate parameters measured from seawater samples collected on board the SOI Falkor between 2020-01-26T09:18:56 and 2020-02-20T21:32:29, by 12-L Niskin bottles. Temperature and Salinity were measured using a SBE-911plus CTD, Dissolved Oxygen using a SBE-43 DO sensor and Fluorescence by a Wet Labs ECO-FLNTU; Total Alkalinity was measured using a Mettler-Toledo T50 with Rondolino autosampler; DIC was measured using an Apollo SciTech Dissolved Inorganic Carbon analyser; pH, aragonite and calcite saturation states were calculated using version 1.1 of CO2SYS for MATLAB’.

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Statement: Using CTD and Niskin samplers, seawater parameters (temperature, salinity, O2, nutrients, and carbonate system) were collected to define the physico–chemical dynamics controlling the regional ecology, food sources, skeletal growth rates, and to provide essential calibrations for our geochemical proxy records. On-board measurements of carbonate parameters (alkalinity, DIC, pH etc) were analyzed onboard Falkor, utilising existing mobile instrumentation (spectrophotometry, DIC analyser) proivded by UWA.

Notes

Credit
Schmidt Ocean Institute
Credit
Australian Research Council awards (FT160100259, DP21012896)
Credit
University of Western Australia (UWA) Fellowship Support Grant

Created: 26 05 2021

Data time period: 2020-01-26 to 2020-02-20

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120.3195,-31.7657 120.3195,-35.5968 114.4165,-35.5968 114.4165,-31.7657 120.3195,-31.7657

117.368,-33.68125

text: westlimit=114.4165; southlimit=-35.5968; eastlimit=120.3195; northlimit=-31.7657

text: uplimit=4811; downlimit=2

Subjects
ALKALINITY | Aragonite Saturation State | COASTAL PROCESSES | CTD Rosette | Calcite Saturation State | Concentration of carbon (total inorganic) per unit mass of the water body | Concentration of oxygen {O2} per unit volume of the water body | EARTH SCIENCE | FLUORESCENCE | Falkor | Fluorescence of the water body | INORGANIC CARBON | MARINE ENVIRONMENT MONITORING | OCEAN CHEMISTRY | OCEAN OPTICS | OCEAN TEMPERATURE | OCEANS | OXYGEN | Practical salinity of the water body | Pressure (measured variable) in the water body exerted by overlying sea water only | SALINITY/DENSITY | Saturation state of aragonite in the water body | Saturation state of calcite in the water body | Sea Water Neutral Density | Sea-Bird SBE 43 Dissolved Oxygen sensor | Temperature of the water body | WATER TEMPERATURE | WETLabs ECO-FLNTU combined fluorometer and turbidity sensor | oceans | pH (total scale) of the water body | sea water pH |

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Other Information
(Cruise page on Schmidt Ocean Institute website (including preliminary and final cruise reports))

uri : https://schmidtocean.org/cruise/coralandcanyonadventure/#data

Identifiers
  • global : e8769cd6-8693-4252-8a5e-1ab2a25d4e4e
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