IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart)
Statement: Parameters logged by the fCO2 system and ship sensors are quality controlled after each voyage. 1. Data with missing parameters or obvious outliers for the ship or fCO2 system parameters are marked as missing and removed from the calculations. Parameter values are flagged as good (flag=2)...
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Integrated Marine Observing System
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Online Access: | https://researchdata.edu.au/imos-soop-ocean-hobart-hobart/476454 |
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ftands:oai:ands.org.au::476454 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
oceans Countries | Australia States Territories (Australia) | Tasmania Coastal Cities / Towns (Australia) | Hobart TAS Global / Oceans | Southern Ocean IMOS Sub-Facility | Multidisplinary Underway Network IMOS Sub-Facility | SOOP-CO2 | Carbon Dioxide Measurements IMOS Node | Bluewater and Climate Ocean Biogeochemistry pCO2 partial pressure fugacity SEA SURFACE TEMPERATURE EARTH SCIENCE OCEAN TEMPERATURE ATMOSPHERIC PRESSURE ATMOSPHERE SURFACE WINDS OCEAN WINDS SALINITY SALINITY/DENSITY cruise_designation latitude longitude mole_fraction_of_carbon_dioxide_in_the_equilibrator_head_space mole_fraction_of_carbon_dioxide_in_air mole_fraction_of_carbon_dioxide_in_air_interpolated equilibrator_head_space_pressure air_pressure equilibrator_water_temperature sea_surface_temperature sea_surface_salinity fugacity_of_carbon_dioxide_at_surface_water_salinity_and_temperature fugacity_of_carbon_dioxide_in_the_atmosphere air_sea_gradient_in_fugacity_of_carbon_dioxide gas_flow_through_infrared_gas_analyser water_flow_to_equilibrator wind_speed wind_from_direction measurement_type |
spellingShingle |
oceans Countries | Australia States Territories (Australia) | Tasmania Coastal Cities / Towns (Australia) | Hobart TAS Global / Oceans | Southern Ocean IMOS Sub-Facility | Multidisplinary Underway Network IMOS Sub-Facility | SOOP-CO2 | Carbon Dioxide Measurements IMOS Node | Bluewater and Climate Ocean Biogeochemistry pCO2 partial pressure fugacity SEA SURFACE TEMPERATURE EARTH SCIENCE OCEAN TEMPERATURE ATMOSPHERIC PRESSURE ATMOSPHERE SURFACE WINDS OCEAN WINDS SALINITY SALINITY/DENSITY cruise_designation latitude longitude mole_fraction_of_carbon_dioxide_in_the_equilibrator_head_space mole_fraction_of_carbon_dioxide_in_air mole_fraction_of_carbon_dioxide_in_air_interpolated equilibrator_head_space_pressure air_pressure equilibrator_water_temperature sea_surface_temperature sea_surface_salinity fugacity_of_carbon_dioxide_at_surface_water_salinity_and_temperature fugacity_of_carbon_dioxide_in_the_atmosphere air_sea_gradient_in_fugacity_of_carbon_dioxide gas_flow_through_infrared_gas_analyser water_flow_to_equilibrator wind_speed wind_from_direction measurement_type IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) |
topic_facet |
oceans Countries | Australia States Territories (Australia) | Tasmania Coastal Cities / Towns (Australia) | Hobart TAS Global / Oceans | Southern Ocean IMOS Sub-Facility | Multidisplinary Underway Network IMOS Sub-Facility | SOOP-CO2 | Carbon Dioxide Measurements IMOS Node | Bluewater and Climate Ocean Biogeochemistry pCO2 partial pressure fugacity SEA SURFACE TEMPERATURE EARTH SCIENCE OCEAN TEMPERATURE ATMOSPHERIC PRESSURE ATMOSPHERE SURFACE WINDS OCEAN WINDS SALINITY SALINITY/DENSITY cruise_designation latitude longitude mole_fraction_of_carbon_dioxide_in_the_equilibrator_head_space mole_fraction_of_carbon_dioxide_in_air mole_fraction_of_carbon_dioxide_in_air_interpolated equilibrator_head_space_pressure air_pressure equilibrator_water_temperature sea_surface_temperature sea_surface_salinity fugacity_of_carbon_dioxide_at_surface_water_salinity_and_temperature fugacity_of_carbon_dioxide_in_the_atmosphere air_sea_gradient_in_fugacity_of_carbon_dioxide gas_flow_through_infrared_gas_analyser water_flow_to_equilibrator wind_speed wind_from_direction measurement_type |
description |
Statement: Parameters logged by the fCO2 system and ship sensors are quality controlled after each voyage. 1. Data with missing parameters or obvious outliers for the ship or fCO2 system parameters are marked as missing and removed from the calculations. Parameter values are flagged as good (flag=2), questionable (flag=3), or bad (flag=4), depending on the range of values expected. Many of the ship and CO2 system parameters are not reported in the final dataset, but are used to establish that the system is functioning correctly. For example, water flow rates to the equilibrator below 2 LPM are flagged as questionable and the cause investigated with the flag value changed to 4 if the flow has been interrupted or is insufficient. Similar checks are made to ensure the gas flow through the infrared gas analyser is in a suitable range (50 to 120ml/min). The list of parameters checked are: CO2 system data quality controlled: GPS date and Time Latitude and Longitude Water flow rate Gas flow rates through licor analyser Atmospheric pressure Equilibrator pressure Equilibrator water temperature Mole fraction CO2 Water vapour in gas stream Licor NDIR temperature Ship's data quality controlled: GPS date and time Latitude and Longitude Sea surface temperature Sea surface salinity Relative wind speed and direction True wind speed and direction 2. The data sets are next evaluated for excessive warming of the seawater flowing to the equilibrator, and for contamination of the atmospheric measurements by ship stack gas. The fCO2 value in the water is sensitive to warming between the ship intake and equilibrator. The travel time between the ship intake and equilibrator is first checked by comparing the timing of rapid changes in surface water temperature for the intake (SST) and the equilibrator temperatures. The travel time or lag time is usually about 4 minutes, although this can vary due to ship engineers altering the flow rates through the water line and other users removing water. The lag is accounted for in the warming ... |
author2 |
AODN Data Manager (pointOfContact) AODN Data Manager (distributor) Akl, John (processor) CSIRO Oceans & Atmosphere - Aspendale (hasAssociationWith) CSIRO Oceans & Atmosphere - Floreat (hasAssociationWith) CSIRO Oceans & Atmosphere - Hobart (hasAssociationWith) CSIRO Oceans & Atmosphere - IOMRC Crawley (hasAssociationWith) CSIRO Oceans & Atmosphere - St. Lucia (hasAssociationWith) Data Officer (pointOfContact) Data Officer (distributor) Integrated Marine Observing System (IMOS) (resourceProvider) Lenton, Andrew (hasAssociationWith) Lynch, Tim (hasAssociationWith) Matear, Richard (hasAssociationWith) Tilbrook, Bronte (hasPrincipalInvestigator) |
format |
Dataset |
title |
IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) |
title_short |
IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) |
title_full |
IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) |
title_fullStr |
IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) |
title_full_unstemmed |
IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) |
title_sort |
imos - soop ocean carbon dioxide data from rv aurora australis voyage aa1213v4 (hobart-hobart) |
publisher |
Integrated Marine Observing System |
url |
https://researchdata.edu.au/imos-soop-ocean-hobart-hobart/476454 |
op_coverage |
Spatial: westlimit=147.3414; southlimit=-54.77475; eastlimit=159.5356; northlimit=-42.878567 Spatial: uplimit=5; downlimit=5 Temporal: From 2013-02-27 to 2013-03-14 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
aurora australis Southern Ocean |
genre_facet |
aurora australis Southern Ocean |
op_source |
Integrated Marine Observing System (IMOS) CSIRO Oceans & Atmosphere - Hobart |
op_relation |
https://researchdata.edu.au/imos-soop-ocean-hobart-hobart/476454 897c4168-cad1-4818-b221-c9a967fb61b2 |
_version_ |
1774715871615254528 |
spelling |
ftands:oai:ands.org.au::476454 2023-08-20T04:05:22+02:00 IMOS - SOOP Ocean Carbon Dioxide Data from RV Aurora Australis voyage AA1213V4 (Hobart-Hobart) AODN Data Manager (pointOfContact) AODN Data Manager (distributor) Akl, John (processor) CSIRO Oceans & Atmosphere - Aspendale (hasAssociationWith) CSIRO Oceans & Atmosphere - Floreat (hasAssociationWith) CSIRO Oceans & Atmosphere - Hobart (hasAssociationWith) CSIRO Oceans & Atmosphere - IOMRC Crawley (hasAssociationWith) CSIRO Oceans & Atmosphere - St. Lucia (hasAssociationWith) Data Officer (pointOfContact) Data Officer (distributor) Integrated Marine Observing System (IMOS) (resourceProvider) Lenton, Andrew (hasAssociationWith) Lynch, Tim (hasAssociationWith) Matear, Richard (hasAssociationWith) Tilbrook, Bronte (hasPrincipalInvestigator) Spatial: westlimit=147.3414; southlimit=-54.77475; eastlimit=159.5356; northlimit=-42.878567 Spatial: uplimit=5; downlimit=5 Temporal: From 2013-02-27 to 2013-03-14 https://researchdata.edu.au/imos-soop-ocean-hobart-hobart/476454 unknown Integrated Marine Observing System https://researchdata.edu.au/imos-soop-ocean-hobart-hobart/476454 897c4168-cad1-4818-b221-c9a967fb61b2 Integrated Marine Observing System (IMOS) CSIRO Oceans & Atmosphere - Hobart oceans Countries | Australia States Territories (Australia) | Tasmania Coastal Cities / Towns (Australia) | Hobart TAS Global / Oceans | Southern Ocean IMOS Sub-Facility | Multidisplinary Underway Network IMOS Sub-Facility | SOOP-CO2 | Carbon Dioxide Measurements IMOS Node | Bluewater and Climate Ocean Biogeochemistry pCO2 partial pressure fugacity SEA SURFACE TEMPERATURE EARTH SCIENCE OCEAN TEMPERATURE ATMOSPHERIC PRESSURE ATMOSPHERE SURFACE WINDS OCEAN WINDS SALINITY SALINITY/DENSITY cruise_designation latitude longitude mole_fraction_of_carbon_dioxide_in_the_equilibrator_head_space mole_fraction_of_carbon_dioxide_in_air mole_fraction_of_carbon_dioxide_in_air_interpolated equilibrator_head_space_pressure air_pressure equilibrator_water_temperature sea_surface_temperature sea_surface_salinity fugacity_of_carbon_dioxide_at_surface_water_salinity_and_temperature fugacity_of_carbon_dioxide_in_the_atmosphere air_sea_gradient_in_fugacity_of_carbon_dioxide gas_flow_through_infrared_gas_analyser water_flow_to_equilibrator wind_speed wind_from_direction measurement_type dataset ftands 2023-07-31T22:22:17Z Statement: Parameters logged by the fCO2 system and ship sensors are quality controlled after each voyage. 1. Data with missing parameters or obvious outliers for the ship or fCO2 system parameters are marked as missing and removed from the calculations. Parameter values are flagged as good (flag=2), questionable (flag=3), or bad (flag=4), depending on the range of values expected. Many of the ship and CO2 system parameters are not reported in the final dataset, but are used to establish that the system is functioning correctly. For example, water flow rates to the equilibrator below 2 LPM are flagged as questionable and the cause investigated with the flag value changed to 4 if the flow has been interrupted or is insufficient. Similar checks are made to ensure the gas flow through the infrared gas analyser is in a suitable range (50 to 120ml/min). The list of parameters checked are: CO2 system data quality controlled: GPS date and Time Latitude and Longitude Water flow rate Gas flow rates through licor analyser Atmospheric pressure Equilibrator pressure Equilibrator water temperature Mole fraction CO2 Water vapour in gas stream Licor NDIR temperature Ship's data quality controlled: GPS date and time Latitude and Longitude Sea surface temperature Sea surface salinity Relative wind speed and direction True wind speed and direction 2. The data sets are next evaluated for excessive warming of the seawater flowing to the equilibrator, and for contamination of the atmospheric measurements by ship stack gas. The fCO2 value in the water is sensitive to warming between the ship intake and equilibrator. The travel time between the ship intake and equilibrator is first checked by comparing the timing of rapid changes in surface water temperature for the intake (SST) and the equilibrator temperatures. The travel time or lag time is usually about 4 minutes, although this can vary due to ship engineers altering the flow rates through the water line and other users removing water. The lag is accounted for in the warming ... Dataset aurora australis Southern Ocean Research Data Australia (Australian National Data Service - ANDS) Southern Ocean |