Volumetric changes in landfill gas flux in response to variations in atmospheric pressure |
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| Institution: | 1. Research Center for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan 523808, China;2. Key Laboratory of Petroleum Resources, Gansu Province/Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000, China;3. Hubei Cooperative Innovation Center of Unconventional Oil and Gas (Yangtze University), Wuhan, Hubei 430100, China;4. School of Environment and Energy, Peking University, Shenzhen 518055, China;1. School of Earth and Environmental Science, University of Manchester, Manchester M13 9PL, UK;2. National Centre for Atmospheric Science, University of York, Heslington, York YO10 5DD, UK;3. Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, Heslington, York YO10 5DD, UK;4. School of Earth Sciences, Royal Holloway University of London, UK;5. British Geological Survey, Environmental Science Centre, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK |
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| Abstract: | This paper develops a quantitative model which attempts to relate volumetric changes in landfill gas emissions to variations in the surface atmospheric pressure. The model considers gas emissions as the sum of two terms, one constant over a period of weeks, and the other able to vary on a scale of hours. Results from computer simulations are given which indicate that the magnitude of the variable factor is proportional to the rate at which surface pressure is changing, rather than the actual value of the surface pressure. |
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