The effect of aircraft emissions on tropospheric ozone in the northern hemisphere |
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| Institution: | 1. National Institute of Public Health and Environmental Protection, P.O. Box 1, 3720 BA Bilthoven, The Netherlands;2. School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, U.K.;1. Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India;2. Department of Medical Informatics, Tzu Chi University, Hualien 970, Taiwan;1. Institute of Applied Geosciences, Technical University Darmstadt, Schnittspahnstr. 9, D-64287 Darmstadt, Germany;2. Chemical and Biological Working Environment, National Institute of Occupational Health, Gydas Vei 8, PO Box 8149 Dep, N-0033 Oslo, Norway;3. National Research Centre for the Working Environment, DK-2100 Copenhagen, Denmark;4. Department of Arctic Technology, University Centre in Svalbard (UNIS), N-9171, Longyearbyen, Svalbard, Norway;5. Department of Chemistry, Biotechnology and Food Sciences (IKBM), Norwegian University of Life Sciences (NMBU), N-1432 Ås, Norway;1. Barbara Hardi Institute, School of Engineering, University of South Australia, Mawson Lakes, SA 5095, Australia;2. Automotive Research and Testing Center (ARTeC), Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;1. School of Social & Environmental Development, National Institute of Development Administration (NIDA), Bangkok, Thailand;2. Faculty of Environmental Management, Prince of Songkla University, Hat-Yai, Songkhla, Thailand;3. Bioremediation Research Unit, Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand;4. Reef Biology Research Group, Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand;5. Polar Biological Science Division, Polar Research Institute of China, Shanghai, China;6. Bara Scientific Co., Ltd., Bangkok, Thailand;1. Unit of Industrial Autom. Industrial Systems Institute, 26504, Rion Patras Greece;2. Department of Electrical and Computer Engineering, University of Patras, 26504, Rion Patras, Greece;3. Department of Management and Innovation Systems, University of Salerno, 84084 Fisciano, Italy;4. GE Global Research, General Electric, NY 12309, USA |
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| Abstract: | The effect of aircraft emissions on tropospheric ozone was studied using a two-dimensional zonal model, of longitude vs altitude, extending between 30°–60°N. An emission inventory for the 1987 civil aircraft fleet was constructed based on fuel usage and civil aviation statistics. The addition of the 1987 civil emissions to a modelled standard atmosphere caused increases in concentrations of O3 (12%; 10 ppbv), NOx (40%; 20 pptv) and OH (10%) between 8 and 12 km altitude. A doubling and tripling of the emissions corresponding to a present day inclusion of military aircraft and a future scenario, respectively, caused the increase in O3 to double (19%) and almost triple (25%). The lightning source of NOx was found to be an important parameter. When this source was ommitted the change in O3 at the cruise flight altitude increased to 16%, with respect to a standard atmosphere not containing a lightning source of NOx. |
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