Airborne co2 measurements in the Arctic during spring 1983 |
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| Institution: | 1. Department of Psychiatry, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, Colorado;2. Department of Family Medicine, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, Colorado;1. School of Energy and Power Engineering, Shandong University, Jinan 250061, China;2. School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia;3. Shandong Special Equipment Inspection Institute, Jinan 250101, China;4. Huadian Electric Power Research Institute Shandong Branch, Jinan 250014, China;1. Institute of Chemical Materials, CAEP, Mianyang, 621999, China;2. Institute of Nuclear Physics and Chemistry and Key Laboratory of Neutron Physics, CAEP, Mianyang, 621999, China |
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| Abstract: | A set of flask air samples collected from aircraft in March and April 1983 during the Arctic Gas and Aerosol Sampling Program has been analyzed for CO2 concentration. The results show CO2 variations of several ppm in the Arctic troposphere, and qualitative agreement with measurements made on air samples collected at the surface. The CO2 measurements together with air-mass characteristics determined during the flights show that CO2 concentrations in the Arctic result from mixing of polluted air transported into the Arctic from lower latitudes with cleaner air of maritime and continental origins. The CO2 concentration is found to increase or decrease with altitude which is probably dependent on the details of transport and the presence or absence of marine sources and/or sinks. |
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