The CSIRO Global Atmospheric Sampling Laboratory (GASLAB) Flask Sampling Network archive for the carbon 13 isotope (C13) of atmospheric trace gas carbon dioxide (CO2) concentrations. GASLAB principally analyzes air samples that have been captured at eleven fixed geographic sites and one moving (aircraft over bass strait and Cape Grim), but also includes other sites at various locations globally on a less regular or as needed basis. The CO2C13 measurements are made by concentrating the CO2 from the air sample utilising a 3 step automated cryogenic trapping system connected to a dual inlet stable isotope ratio mass spectrometer (Finnigan MAT252) for analysis. The CO2 and N2O gas chromatography concentrations data for the sample are used for ion corrections on the stable isotope measurements. Alternatively the Cape Grim in situ air sample (cia) which has already had the trapping process applied to it on site, uses the data from the Cape Grim in situ CO2 analyser, with the N2O concentration determined by interpolation from the CSIRO global flask network data. There are 6 differant types of flask that are used to store and transport air samples from site and in the labratory:(i) glass 0.5 litre ("G050"), (ii) glass 5.0 litre ("G500"), (iii) glass 0.8 litre ("G080"), (iv) electropolished stainless steel 1.6 litre "Sirocans" ("S160"), (v) glass 2.0 litre, 1 stopcopck ("F", "FF", "FA", "FE", "EP", ALT"), (vi) glass 2.0 litre, 2 stopcocks(“M1”, “S”, “P2”, “TEMP”). Files containing a single species value for each sample are denoted by a filename of the form (XXX_XXXX_event.XXX), for the geographically fixed sites data is also provided in the form of monthly means (e.g. XXX_XXXX_mm.XXX) with all files being in ascii format.

The CSIRO archive of observed atmospheric CO2 concentrations at the Maquarie Island Research Station, measured with the CSIRO developed LOFLO Mk2 instrument. 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 first began at Cape Grim in May 2000 and has since been expanded to other global stations with the newer improved LOFLO Mk2. Stations using LOFLO include Cape Grim, Maquarie Island, Otways Basin and Aspendale. CO2 measurements are available from the Maquarie Island Research Station for the period 1/1/05 until present, 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. Typically file size is approximately 500 KB and 12 MB for an hourly averaged and minutely averaged year of data respectively.

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.

The CSIRO archive of observed atmospheric CO2 concentrations at the Cape Grim Baseline Air Pollution Station in North-West Tasmania for the period 1976 until 2004. Measurements of atmospheric CO2 levels began in 1976 and have continued until the present day, giving an unprecedented view of the overall change in CO2 composition over the 30+ year time-frame. These started with the URAS-2T instrument until Jun 1990, continuing with the Siemens Ultramat 5E system until July 2004, followed by the LOFLO Mk2 instrument until the present day. All use NDIR (non-dispersive infrared) analysis techniques with LOFLO being CSIRO developed to make measurements consuming smaller volumes of calibration gas, requiring less operator intervention and having less bias than traditional NDIR measurement techniques. Logged data is available in a single ascii text file in hourly averaged periods containing CO2 concentration, wind speed and direction, a baseline and quality flag. Conditions are considered baseline when wind directions are between 190 & 280° bringing air from the southern ocean. The file size for the given variables is approximately 400 KB for an hourly averaged year of data, with the period from 1976-2004 being approx 11.0 MB.

The CSIRO Global Atmospheric Sampling Laboratory (GASLAB) Flask Sampling Network archive for the oxygen 18 isotope (O18) of atmospheric trace gas carbon dioxide (CO2) concentrations. GASLAB principally analyzes air samples that have been captured at eleven fixed geographic sites and one moving (aircraft over bass strait and Cape Grim), but also includes other sites at various locations globally on a less regular or as needed basis. The CO2O18 measurements are made by concentrating the CO2 from the air sample utilising a 3 step automated cryogenic trapping system connected to a dual inlet stable isotope ratio mass spectrometer (Finnigan MAT252) for analysis. The CO2 and N2O gas chromatography concentrations data for the sample are used for ion corrections on the stable isotope measurements. Alternatively the Cape Grim in situ air sample (cia) which has already had the trapping process applied to it on site, uses the data from the Cape Grim in situ CO2 analyser, with the N2O concentration determined by interpolation from the CSIRO global flask network data. There are 6 differant types of flask that are used to store and transport air samples from site and in the labratory:(i) glass 0.5 litre ("G050"), (ii) glass 5.0 litre ("G500"), (iii) glass 0.8 litre ("G080"), (iv) electropolished stainless steel 1.6 litre "Sirocans" ("S160"), (v) glass 2.0 litre, 1 stopcopck ("F", "FF", "FA", "FE", "EP", ALT"), (vi) glass 2.0 litre, 2 stopcocks(“M1”, “S”, “P2”, “TEMP”). Files containing a single species value for each sample are denoted by a filename of the form (XXX_XXXX_event.XXX), for the geographically fixed sites data is also provided in the form of monthly means (e.g. XXX_XXXX_mm.XXX) with all files being in ascii format.

The CSIRO Global Atmospheric Sampling Laboratory (GASLAB) Flask Sampling Network archive for the atmospheric trace gas carbon dioxide (CO2) concentrations. GASLAB principally analyzes air samples that have been captured at eleven fixed geographic sites and one moving (aircraft over bass strait and Cape Grim), but also includes other sites at various locations globally on a less regular or as needed basis. The flask air sample is analyzed for the 5 atmospheric trace gases Methane (CH4), Carbon Dioxide (CO2), Carbon Monoxide (CO), Hydrogen (H2) and N2O (Nitrous Oxide). Data about the relative concentrations of these are particularly important for Global Warming studies as CO2 and CH4 are the two most effective anthropogenic greenhouse gases; CO and H2 influencing concentrations of the hydroxyl radical (OH), thereby affecting the main sink for atmospheric CH4. H2 is produced in a sequence of reactions following the reaction of OH with CH4. Measurements of CO2 concentrations are made through the use of a Carle gas chromatograph (Carle-3 C3) with flame ionisation detection (FID) (after methanization of CO2 to CH4). There are 6 differant types of flask that are used to store and transport air samples from site and in the labratory:(i) glass 0.5 litre ("G050"), (ii) glass 5.0 litre ("G500"), (iii) glass 0.8 litre ("G080"), (iv) electropolished stainless steel 1.6 litre "Sirocans" ("S160"), (v) glass 2.0 litre, 1 stopcopck ("F", "FF", "FA", "FE", "EP", ALT"), (vi) glass 2.0 litre, 2 stopcocks(“M1”, “S”, “P2”, “TEMP”). Files containing a single species value for each sample are denoted by a filename of the form (XXX_XXXX_event.XXX), for the geographically fixed sites data is also provided in the form of monthly means (e.g. XXX_XXXX_mm.XXX) with all fies being in ascii format.

The CSIRO archive of observed atmospheric CO2 concentrations at the Aspendale CSIRO Marine and Atmospheric Research division measured with the CSIRO developed LOFLO Mk2 instrument. 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 first began at Cape Grim in May 2000 and has since been expanded to other global stations with the newer improved LOFLO Mk2. Stations using LOFLO include Cape Grim, Maquarie Island, Otways Basin and Aspendale. CO2 measurements are available from the Aspendale Air Pollution Station for the period 24/4/08 until present, 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. Typically file size is approximately 500 KB and 12 MB for an hourly averaged and minutely averaged year of data respectively.

The Cape Grim Baseline Air Pollution Station facility, located at the North/West tip of Tasmania (40° 41'S, 144° 41'E), is funded and managed by the Australian Bureau of Meteorology, with the scientific program being jointly supervised with CSIRO Marine and Atmospheric Research. This archive contains 1000 litre air samples contained in stainless steel flasks collected at approximately 3 monthly intervals since 1978. The archive is housed at the Aspendale laboratory of CSIRO Marine and Atmospheric Research. The Cape Grim air archive is invaluable in determining the past atmospheric composition of a wide range of gases. For some of these gases, accurate and precise analytical methods have only recently evolved (for example HFCs and PFCs). The measurements are state-of-the-art in precision and accuracy. They are used to identify trace gas trends in the Southern Hemisphere, which in turn can be used to drive climate change models and identify processes that influence changes to the atmosphere.

The CSIRO archive of observed atmospheric CO2 concentrations at the Otway Basin Naylor Field (30km WNW of Peterborough) carbon-dioxide geo-sequestration site, measured with the CSIRO developed LOFLO Mk2 instrument. This study (the first of its kind in Australia) by the Cooperative Research Center for Greenhouse Gas Technologies (CO2CRC) is to monitor the trial geo-sequestration of CO2 into the depleted gas field (Naylor Field) and to observe the environmental effects to determine the viability and effectiveness of CO2 geo-sequestration. 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 first began at Cape Grim in May 2000 and has since been expanded to other global stations with the newer improved LOFLO Mk2. Stations using LOFLO include Cape Grim, Maquarie Island, Otways Basin and Aspendale. CO2 measurements are available from the Otways Basin geosequestration site for the period 12/1/07 until present, 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. Typically file size is approximately 500 KB and 12 MB for an hourly averaged and minutely averaged year of data respectively.

This collection includes ice cores and associated air samples from Antarctica and Greenland. Ice cores are collected from various sites including Law Dome Antarctica. Data files are kept on depth, age, chemical composition and gas compositions of the ice cores. The ice cores samples are archived and stored at Breeze Logistics (Cold Storage), Clayton, VIC. These samples are part of a series including Australian Antarctic Division Ice Cores (Hobart)and Greenland Ice Cores (Copenhagen). The data associated with this collection can be accessed through the World Data Center(WDC) for Paleoclimatology http://www.ngdc.noaa.gov/wdc/usa/paleo.html.