Modeling the influence of biogenic volatile organic compound emissions on ozone concentration during summer season in the Kinki region of Japan |
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| Authors: | Hai Bao Kundan Lal Shrestha Akira Kondo Akikazu Kaga Yoshio Inoue |
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| Institution: | 1. Chemistry and Environment Science College, Inner Mongolia Normal University, Hohhot 010022, China;2. Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan;1. National Research Council (CNR), Institute of Agro-Environmental & Forest Biology (IBAF), Porano (TR), Italy;2. Global Change Research Centre, Brno, Czech Republic;3. Consiglio per la ricerca e la sperimentazione in agricoltura (CRA), Research Center for the Soil-Plant System, Rome, Italy;4. Sapienza University, Department of Plant Biology, Rome, Italy;5. Dept. of Science and Technology for the Environment, University of Molise, Italy;6. National Research Council (CNR), Institute for Plant Protection, Sesto Fiorentino, Florence, Italy;1. The Energy and Resources Institute, Darbari Seth Block, Lodhi Road, New Delhi 110003, India;2. National Institute for Environmental Studies (NIES), Japan;1. National Research Council, Institute of Agro-Environmental and Forest Biology (IBAF-CNR), Via Salaria Km. 29 300-00015 Monterotondo Scalo Rome, Italy;2. Institute of Ecology and Botany, MTA Centre for Ecological Research, Hungary, 2-4, Alkotmány u., Vácrátót, H-2163, Hungary;3. National Research Council, Institute of Agro-Environmental and Forest Biology (IBAF-CNR), Via Marconi 2- 05010 Porano, Terni, Italy;4. Global Change Research Institute, Brno, Czech Republic;5. Peoples Friendship University of Russia (RUDN University), Miklukho-Maklaya Street, Moscow, 117198, Russian Federation |
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| Abstract: | Tropospheric ozone adversely affects human health and vegetation, and biogenic volatile organic compound (BVOC) emission has potential to influence ozone concentration in summer season. In this research, the standard emissions of isoprene and monoterpene from the vegetation of the Kinki region of Japan, estimated from growth chamber experiments, were converted into hourly emissions for July 2002 using the temperature and light intensity data obtained from results of MM5 meteorological model. To investigate the effect of BVOC emissions on ozone production, two ozone simulations for one-month period of July 2002 were carried out. In one simulation, hourly BVOC emissions were included (BIO), while in the other one, BVOC emissions were not considered (NOBIO). The quantitative analyses of the ozone results clearly indicate that the use of spatio-temporally varying BVOC emission improves the prediction of ozone concentration. The hourly differences of monthly-averaged ozone concentrations between BIO and NOBIO had the maximum value of 6 ppb at 1400 JST. The explicit difference appeared in urban area, though the place where the maximum difference occurred changed with time. Overall, BVOC emissions from the forest vegetation strongly affected the ozone generation in the urban area. |
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