Data

Air sampling and analysis from Antarctic firn and ice

Australian Antarctic Data Centre
ETHERIDGE, DAVID ; SMITH, ANDREW M ; LOWE, DAVID ; KRUMMEL, PAUL
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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=https://data.aad.gov.au/metadata/records/ASAC_1004&rft.title=Air sampling and analysis from Antarctic firn and ice&rft.identifier=https://data.aad.gov.au/metadata/records/ASAC_1004&rft.publisher=Australian Antarctic Data Centre&rft.description=Air from the ice and firn (compressed snow) of the Antarctic ice sheet will be extracted and measured for atmospheric composition in the past. Gases of interest are greenhouse gases (carbon dioxide, methane, nitrous oxide) and ozone depleting gases (CFCs, halons). The aim is to understand the budgets of these important atmospheric constituents. The ice cores drilled for the gas measurements will also be measured for isotopic ratios and chemical impurities, which provides information about past climate. A download of 'Halocarbon data from Law Dome firn air and from Cape Grim' is available at the url given below. The fields in this dataset are: CFC HCFC HFC Halon Carbon tetrachloride methyl chloroform Age Concentration Uncertainty Methane CH4 Air age C13 CO2 Depth Ice age Methyl bromide Methyl chloride Chloroform Dichloromethane&rft.creator=ETHERIDGE, DAVID &rft.creator=SMITH, ANDREW M &rft.creator=LOWE, DAVID &rft.creator=KRUMMEL, PAUL &rft.date=2000&rft.coverage=northlimit=-65.8; southlimit=-66.8; westlimit=111.0; eastLimit=114.0; projection=WGS84&rft.coverage=northlimit=-65.8; southlimit=-66.8; westlimit=111.0; eastLimit=114.0; projection=WGS84&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=ASAC_1004 when using these data.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=geoscientificInformation&rft_subject=inlandWaters&rft_subject=TRACE GASES/TRACE SPECIES&rft_subject=EARTH SCIENCE&rft_subject=ATMOSPHERE&rft_subject=ATMOSPHERIC CHEMISTRY&rft_subject=CARBON DIOXIDE&rft_subject=PALEOCLIMATE&rft_subject=ICE CORE RECORDS&rft_subject=ICE CORE AIR BUBBLES&rft_subject=IONS&rft_subject=ISOTOPES&rft_subject=METHANE&rft_subject=NITROUS OXIDE&rft_subject=PARTICULATE MATTER&rft_subject=VOLCANIC DEPOSITS&rft_subject=SNOW/ICE CHEMISTRY&rft_subject=CRYOSPHERE&rft_subject=SNOW/ICE&rft_subject=FIRN&rft_subject=GLACIERS/ICE SHEETS&rft_subject=EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE&rft_subject=EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON MONOXIDE&rft_subject=CHLOROFLUOROCARBONS&rft_subject=HALOCARBONS AND HALOGENS&rft_subject=HYDROCHLOROFLUOROCARBONS&rft_subject=HYDROFLUOROCARBONS&rft_subject=MOLECULAR OXYGEN&rft_subject=OXYGEN COMPOUNDS&rft_subject=METHYL BROMIDE&rft_subject=METHYL CHLORIDE&rft_subject=CARBON TETRACHLORIDE&rft_subject=AGE&rft_subject=AIR AGE&rft_subject=C13 CO2&rft_subject=CH4&rft_subject=CHLOROFORM&rft_subject=CONCENTRATION&rft_subject=DECADAL RECORDS&rft_subject=DEPTH&rft_subject=DICHLOROMETHANE&rft_subject=GREENHOUSE GASES&rft_subject=ICE AGE&rft_subject=OZONE DEPLETING GASES&rft_subject=TRACE GASES&rft_subject=UNCERTAINTY&rft_subject=Paleo Start Date 300 YBP&rft_subject=Paleo Stop Date 2 YBP&rft_subject=PHANEROZOIC > CENOZOIC > QUATERNARY > HOLOCENE&rft_subject=CONTINENT > AUSTRALIA/NEW ZEALAND > AUSTRALIA > Cape Grim&rft_subject=CONTINENT > ANTARCTICA > Law Dome&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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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=ASAC_1004 when using these data.

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Data arising from this project is available for download from the provided URL.

Brief description

Air from the ice and firn (compressed snow) of the Antarctic ice sheet will be extracted and measured for atmospheric composition in the past. Gases of interest are greenhouse gases (carbon dioxide, methane, nitrous oxide) and ozone depleting gases (CFCs, halons). The aim is to understand the budgets of these important atmospheric constituents. The ice cores drilled for the gas measurements will also be measured for isotopic ratios and chemical impurities, which provides information about past climate. A download of 'Halocarbon data from Law Dome firn air and from Cape Grim' is available at the url given below. The fields in this dataset are: CFC HCFC HFC Halon Carbon tetrachloride methyl chloroform Age Concentration Uncertainty Methane CH4 Air age C13 CO2 Depth Ice age Methyl bromide Methyl chloride Chloroform Dichloromethane

Issued: 2000-08-09

Data time period: 1976-06-30 to 1998-12-31

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114,-65.8 114,-66.8 111,-66.8 111,-65.8 114,-65.8

112.5,-66.3

text: northlimit=-65.8; southlimit=-66.8; westlimit=111.0; eastLimit=114.0; projection=WGS84

Subjects
AGE | AIR AGE | ATMOSPHERE | ATMOSPHERIC CHEMISTRY | C13 CO2 | CARBON DIOXIDE | CARBON TETRACHLORIDE | CH4 | CHLOROFLUOROCARBONS | CHLOROFORM | CONCENTRATION | CONTINENT > ANTARCTICA > Law Dome | CONTINENT > AUSTRALIA/NEW ZEALAND > AUSTRALIA > Cape Grim | CRYOSPHERE | DECADAL RECORDS | DEPTH | DICHLOROMETHANE | EARTH SCIENCE | EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE | EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON MONOXIDE | FIRN | GEOGRAPHIC REGION > POLAR | GLACIERS/ICE SHEETS | GREENHOUSE GASES | HALOCARBONS AND HALOGENS | HYDROCHLOROFLUOROCARBONS | HYDROFLUOROCARBONS | ICE AGE | ICE CORE AIR BUBBLES | ICE CORE RECORDS | IONS | ISOTOPES | METHANE | METHYL BROMIDE | METHYL CHLORIDE | MOLECULAR OXYGEN | NITROUS OXIDE | OXYGEN COMPOUNDS | OZONE DEPLETING GASES | PALEOCLIMATE | PARTICULATE MATTER | PHANEROZOIC > CENOZOIC > QUATERNARY > HOLOCENE | Paleo Start Date 300 YBP | Paleo Stop Date 2 YBP | SNOW/ICE | SNOW/ICE CHEMISTRY | TRACE GASES | TRACE GASES/TRACE SPECIES | UNCERTAINTY | VOLCANIC DEPOSITS | climatologyMeteorologyAtmosphere | geoscientificInformation | inlandWaters |

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