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Estimation of transboundary transport contribution to the air pollution in the far east region using the chemistry transport model |
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| Authors: | I N Kuznetsova I B Konovalov A A Glazkova E V Berezin M Beekmann E -D Schulze |
| Affiliation: | 19465. Hydrometeorological Research Center of the Russian Federation, Bolshoi Predtechenskii per. 11-13, Moscow, 123242, Russia 29465. Institute of Applied Physics, Russian Academy of Sciences, GSP-120, ul. Ul’yanova 46, Nizhny Novgorod, 603950, Russia 39465. Laboratoire Interuniversitaire des Systèmes Atmosphériques, 61 Avenue du Général de Gaulle, Créteil Cédex, 94010, France 49465. Max Planck Institute of Biochemistry, Am Klopferspitz 18, Martinsried, D-82152, Germany |
| Abstract: | The CHIMERE mesoscale chemistry transport model is used for the quantitative assessment of the contribution of transboundary transport of anthropogenic admixtures from China to the surface concentrations of major suspended pollutants, aerosol PM10, ozone O3, and nitrogen oxides NOx in the Far Eastern region. Analyzed in detail are the time series of concentration of mentioned substances computed with the model taking account and not taking account of anthropogenic emissions in China. It is revealed that the transboundary transport of anthropogenic pollutants can cause the recurring episodes of manyfold increase in the concentration of PM10 in the south of Khabarovsk region, as well as more rare variations of O3 and NOx concentration. The trajectory and synoptic analysis demonstrated that the episodes of the increase in the concentration of PM10 and O3 in the south of the region mainly depend on the carryover of air masses from northeastern China in the front part of continental cyclones. |
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