Data

Cape Grim Baseline Air Pollution Station - Atmospheric CO2 level (LOFLO) measurements (2000 to present)

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Krummel, Paul (Point of contact)
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
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/214ebc70-dd84-46a7-98cf-e16631218d5d&rft.title=Cape Grim Baseline Air Pollution Station - Atmospheric CO2 level (LOFLO) measurements (2000 to present)&rft.identifier=Anzlic Identifier: ANZCW0306008369&rft.publisher=Australian Ocean Data Network&rft.description=The CSIRO archive of observed atmospheric CO2 concentrations at the Cape Grim Baseline Air Pollution Station in North-West Tasmania, measured with the CSIRO developed LOFLO & LOFLO Mk2 instruments. LOFLO is an analysis system built around a commercial LI-COR 6251 optical bench which utilizes NDIR (non-dispersive infrared) gas analysis technology to measure CO2 concentrations in sample air. Consuming smaller volumes of calibration gases (approx. 15ml/min) and requiring much less operator intervention, LOFLO measurements have significantly less bias than traditional NDIR measurement techniques. Measurements using LOFLO began at Cape Grim in May 2000 and has now been expanded to other global stations with the newer improved LOFLO Mk2. Stations using LOFLO include Cape Grim, Maquarie Island, Otways Basin and Aspendale, with logged data available as yearly ascii text files in hourly averaged and minutely averaged periods for CO2 concentration, standard deviation, max & min values as well as a baseline flag. Conditions are considered baseline when wind directions are between 190 & 280°. Typically file size is approximately 500 KB and 12 MB for an hourly averaged and minutely averaged year of data respectively.Progress Code: onGoingMaintenance and Update Frequency: continualStatement: Instrument measurements are averaged into minutely and hourly files with a calculated standard deviation. Maximum/minimum values included in the hourly data only.&rft.creator=Anonymous&rft.date=2008&rft.coverage=westlimit=144.689; southlimit=-40.683; eastlimit=144.689; northlimit=-40.683&rft.coverage=westlimit=144.689; southlimit=-40.683; eastlimit=144.689; northlimit=-40.683&rft_rights=Available for CSIRO internal use, users are required to contact Paul Krummel, Paul Steele or Marcel van der Schoot first.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=environment&rft_subject=Earth Science | Atmosphere | Atmospheric Chemistry | Carbon And Hydrocarbon Compounds | Carbon Dioxide&rft_subject=CO2 Analysers&rft_subject=States, Territories (Australia) | Tasmania&rft_subject=Coastal Station: Cape Grim&rft.type=dataset&rft.language=English Access the data
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Available for CSIRO internal use, users are required to contact Paul Krummel, Paul Steele or Marcel van der Schoot first.

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Brief description

The CSIRO archive of observed atmospheric CO2 concentrations at the Cape Grim Baseline Air Pollution Station in North-West Tasmania, measured with the CSIRO developed LOFLO & LOFLO Mk2 instruments. LOFLO is an analysis system built around a commercial LI-COR 6251 optical bench which utilizes NDIR (non-dispersive infrared) gas analysis technology to measure CO2 concentrations in sample air. Consuming smaller volumes of calibration gases (approx. 15ml/min) and requiring much less operator intervention, LOFLO measurements have significantly less bias than traditional NDIR measurement techniques. Measurements using LOFLO began at Cape Grim in May 2000 and has now been expanded to other global stations with the newer improved LOFLO Mk2. Stations using LOFLO include Cape Grim, Maquarie Island, Otways Basin and Aspendale, with logged data available as yearly ascii text files in hourly averaged and minutely averaged periods for CO2 concentration, standard deviation, max & min values as well as a baseline flag. Conditions are considered baseline when wind directions are between 190 & 280°. Typically file size is approximately 500 KB and 12 MB for an hourly averaged and minutely averaged year of data respectively.

Lineage

Progress Code: onGoing
Maintenance and Update Frequency: continual
Statement: Instrument measurements are averaged into minutely and hourly files with a calculated standard deviation. Maximum/minimum values included in the hourly data only.

Notes

Credit
Australian Bureau Of Meteorology (BOM)/Cape Grim Baseline Air Pollution Station, CSIRO Marine & Atmospheric Research (CMAR).
Credit
Paul Krummel
Credit
Paul Steele
Credit
Marcel van der Schoot.

Data time period: 2000-05-17

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144.689,-40.683

144.689,-40.683

text: westlimit=144.689; southlimit=-40.683; eastlimit=144.689; northlimit=-40.683

Subjects
CO2 Analysers | Coastal Station: Cape Grim | Earth Science | Atmosphere | Atmospheric Chemistry | Carbon And Hydrocarbon Compounds | Carbon Dioxide | States, Territories (Australia) | Tasmania | climatologyMeteorologyAtmosphere | environment |

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Other Information
Link to Cape Grim Homepage (Documentation Link)

uri : https://www.bom.gov.au/inside/cgbaps/

Identifiers
  • Local : Anzlic Identifier: ANZCW0306008369
  • Local : Marlin Record Number: 8369
  • global : 214ebc70-dd84-46a7-98cf-e16631218d5d
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