An integrated MM5–CMAQ modeling approach for assessing trans-boundary PM10 contribution to the host city of 2008 Olympic summer games—Beijing,China |
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| Affiliation: | 1. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS), Beijing 100029, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Center for Excellence in Urban Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China;4. Institute of Environmental Physics and Remote Sensing, IUP, University of Bremen, D-28203 Bremen, Germany;5. Center of Marine Environmental Sciences, MARUM, University of Bremen, D-28203 Bremen, Germany;6. Energy, Environment and Water Research Center, the Cyprus Institute, CY2121 Nicosia, Cyprus;1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China;2. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China;3. College of Environmental Science and Engineering, Peking University, Beijing 100084, China;4. School of Civil & Environmental Engineering, Institute of Georgia Technology, Atlanta, GA 30332, USA;5. School of Earth and Atmospheric Sciences, Institute of Georgia Technology, Atlanta, GA 30332, USA |
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| Abstract: | In this paper, an integrated MM5–CMAQ modeling approach was employed to investigate the PM10 air pollution issue in Beijing, China, with a focus on assessing pollution contributions from surrounding provinces. A 2-level-nested grid domain with spatial resolutions of 36 and 12 km was designed for the study region. Seven monitoring stations across Beijing municipality were selected to provide hourly PM10 measurement data. The months of January, April, July and October in 2002 were taken as target periods for model performance evaluation. Five emission scenarios were designed and run in order to quantitatively assess the trans-boundary PM10 contributions. The results show that, while Beijing needs to take positive steps to reduce its own pollution emissions, much effort should also be placed on demanding more pollution reduction and better environmental performance from surrounding provinces. |
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